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Commit 0e5539b9 authored by Daniel Vetter's avatar Daniel Vetter
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Merge branch 'topic/ppgtt' into drm-intel-next-queued 

Because whatever.*

* This should contain a fairly long list of issues and still
unresolved resgressions, but I didn't really get a vote.
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parents fc2c807b f72d21ed
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Showing with 1280 additions and 602 deletions
drivers/gpu/drm/i915/i915_debugfs.c
View file @ 0e5539b9
...@@ -98,7 +98,7 @@ static const char *get_pin_flag(struct drm_i915_gem_object *obj) ...@@ -98,7 +98,7 @@ static const char *get_pin_flag(struct drm_i915_gem_object *obj)
{ {
if (obj->user_pin_count > 0) if (obj->user_pin_count > 0)
return "P"; return "P";
else if (obj->pin_count > 0) else if (i915_gem_obj_is_pinned(obj))
return "p"; return "p";
else else
return " "; return " ";
...@@ -123,6 +123,8 @@ static void ...@@ -123,6 +123,8 @@ static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{ {
struct i915_vma *vma; struct i915_vma *vma;
int pin_count = 0;
seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s", seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s",
&obj->base, &obj->base,
get_pin_flag(obj), get_pin_flag(obj),
...@@ -139,8 +141,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) ...@@ -139,8 +141,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
if (obj->base.name) if (obj->base.name)
seq_printf(m, " (name: %d)", obj->base.name); seq_printf(m, " (name: %d)", obj->base.name);
if (obj->pin_count) list_for_each_entry(vma, &obj->vma_list, vma_link)
seq_printf(m, " (pinned x %d)", obj->pin_count); if (vma->pin_count > 0)
pin_count++;
seq_printf(m, " (pinned x %d)", pin_count);
if (obj->pin_display) if (obj->pin_display)
seq_printf(m, " (display)"); seq_printf(m, " (display)");
if (obj->fence_reg != I915_FENCE_REG_NONE) if (obj->fence_reg != I915_FENCE_REG_NONE)
...@@ -447,7 +451,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data) ...@@ -447,7 +451,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data)
total_obj_size = total_gtt_size = count = 0; total_obj_size = total_gtt_size = count = 0;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
if (list == PINNED_LIST && obj->pin_count == 0) if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj))
continue; continue;
seq_puts(m, " "); seq_puts(m, " ");
...@@ -1731,6 +1735,17 @@ static int i915_swizzle_info(struct seq_file *m, void *data) ...@@ -1731,6 +1735,17 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
return 0; return 0;
} }
static int per_file_ctx(int id, void *ptr, void *data)
{
struct i915_hw_context *ctx = ptr;
struct seq_file *m = data;
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(ctx);
ppgtt->debug_dump(ppgtt, m);
return 0;
}
static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev) static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
...@@ -1760,6 +1775,7 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) ...@@ -1760,6 +1775,7 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring; struct intel_ring_buffer *ring;
struct drm_file *file;
int i; int i;
if (INTEL_INFO(dev)->gen == 6) if (INTEL_INFO(dev)->gen == 6)
...@@ -1778,6 +1794,20 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) ...@@ -1778,6 +1794,20 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
seq_puts(m, "aliasing PPGTT:\n"); seq_puts(m, "aliasing PPGTT:\n");
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset); seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
ppgtt->debug_dump(ppgtt, m);
} else
return;
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
struct drm_i915_file_private *file_priv = file->driver_priv;
struct i915_hw_ppgtt *pvt_ppgtt;
pvt_ppgtt = ctx_to_ppgtt(file_priv->private_default_ctx);
seq_printf(m, "proc: %s\n",
get_pid_task(file->pid, PIDTYPE_PID)->comm);
seq_puts(m, " default context:\n");
idr_for_each(&file_priv->context_idr, per_file_ctx, m);
} }
seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
} }
...@@ -2927,7 +2957,7 @@ i915_drop_caches_set(void *data, u64 val) ...@@ -2927,7 +2957,7 @@ i915_drop_caches_set(void *data, u64 val)
list_for_each_entry(vm, &dev_priv->vm_list, global_link) { list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
list_for_each_entry_safe(vma, x, &vm->inactive_list, list_for_each_entry_safe(vma, x, &vm->inactive_list,
mm_list) { mm_list) {
if (vma->obj->pin_count) if (vma->pin_count)
continue; continue;
ret = i915_vma_unbind(vma); ret = i915_vma_unbind(vma);
......
drivers/gpu/drm/i915/i915_dma.c
View file @ 0e5539b9
...@@ -990,7 +990,7 @@ static int i915_getparam(struct drm_device *dev, void *data, ...@@ -990,7 +990,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
value = HAS_WT(dev); value = HAS_WT(dev);
break; break;
case I915_PARAM_HAS_ALIASING_PPGTT: case I915_PARAM_HAS_ALIASING_PPGTT:
value = dev_priv->mm.aliasing_ppgtt ? 1 : 0; value = dev_priv->mm.aliasing_ppgtt || USES_FULL_PPGTT(dev);
break; break;
case I915_PARAM_HAS_WAIT_TIMEOUT: case I915_PARAM_HAS_WAIT_TIMEOUT:
value = 1; value = 1;
...@@ -1374,7 +1374,7 @@ static int i915_load_modeset_init(struct drm_device *dev) ...@@ -1374,7 +1374,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
i915_gem_cleanup_ringbuffer(dev); i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev); i915_gem_context_fini(dev);
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
i915_gem_cleanup_aliasing_ppgtt(dev); WARN_ON(dev_priv->mm.aliasing_ppgtt);
drm_mm_takedown(&dev_priv->gtt.base.mm); drm_mm_takedown(&dev_priv->gtt.base.mm);
cleanup_power: cleanup_power:
intel_display_power_put(dev, POWER_DOMAIN_VGA); intel_display_power_put(dev, POWER_DOMAIN_VGA);
...@@ -1775,8 +1775,8 @@ int i915_driver_unload(struct drm_device *dev) ...@@ -1775,8 +1775,8 @@ int i915_driver_unload(struct drm_device *dev)
i915_gem_free_all_phys_object(dev); i915_gem_free_all_phys_object(dev);
i915_gem_cleanup_ringbuffer(dev); i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev); i915_gem_context_fini(dev);
WARN_ON(dev_priv->mm.aliasing_ppgtt);
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
i915_gem_cleanup_aliasing_ppgtt(dev);
i915_gem_cleanup_stolen(dev); i915_gem_cleanup_stolen(dev);
if (!I915_NEED_GFX_HWS(dev)) if (!I915_NEED_GFX_HWS(dev))
......
drivers/gpu/drm/i915/i915_drv.c
View file @ 0e5539b9
...@@ -113,7 +113,8 @@ MODULE_PARM_DESC(enable_hangcheck, ...@@ -113,7 +113,8 @@ MODULE_PARM_DESC(enable_hangcheck,
int i915_enable_ppgtt __read_mostly = -1; int i915_enable_ppgtt __read_mostly = -1;
module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0400); module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0400);
MODULE_PARM_DESC(i915_enable_ppgtt, MODULE_PARM_DESC(i915_enable_ppgtt,
"Enable PPGTT (default: true)"); "Override PPGTT usage. "
"(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");
int i915_enable_psr __read_mostly = 0; int i915_enable_psr __read_mostly = 0;
module_param_named(enable_psr, i915_enable_psr, int, 0600); module_param_named(enable_psr, i915_enable_psr, int, 0600);
......
drivers/gpu/drm/i915/i915_drv.h
View file @ 0e5539b9
...@@ -523,6 +523,57 @@ enum i915_cache_level { ...@@ -523,6 +523,57 @@ enum i915_cache_level {
typedef uint32_t gen6_gtt_pte_t; typedef uint32_t gen6_gtt_pte_t;
/**
* A VMA represents a GEM BO that is bound into an address space. Therefore, a
* VMA's presence cannot be guaranteed before binding, or after unbinding the
* object into/from the address space.
*
* To make things as simple as possible (ie. no refcounting), a VMA's lifetime
* will always be <= an objects lifetime. So object refcounting should cover us.
*/
struct i915_vma {
struct drm_mm_node node;
struct drm_i915_gem_object *obj;
struct i915_address_space *vm;
/** This object's place on the active/inactive lists */
struct list_head mm_list;
struct list_head vma_link; /* Link in the object's VMA list */
/** This vma's place in the batchbuffer or on the eviction list */
struct list_head exec_list;
/**
* Used for performing relocations during execbuffer insertion.
*/
struct hlist_node exec_node;
unsigned long exec_handle;
struct drm_i915_gem_exec_object2 *exec_entry;
/**
* How many users have pinned this object in GTT space. The following
* users can each hold at most one reference: pwrite/pread, pin_ioctl
* (via user_pin_count), execbuffer (objects are not allowed multiple
* times for the same batchbuffer), and the framebuffer code. When
* switching/pageflipping, the framebuffer code has at most two buffers
* pinned per crtc.
*
* In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
* bits with absolutely no headroom. So use 4 bits. */
unsigned int pin_count:4;
#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
/** Unmap an object from an address space. This usually consists of
* setting the valid PTE entries to a reserved scratch page. */
void (*unbind_vma)(struct i915_vma *vma);
/* Map an object into an address space with the given cache flags. */
#define GLOBAL_BIND (1<<0)
void (*bind_vma)(struct i915_vma *vma,
enum i915_cache_level cache_level,
u32 flags);
};
struct i915_address_space { struct i915_address_space {
struct drm_mm mm; struct drm_mm mm;
struct drm_device *dev; struct drm_device *dev;
...@@ -604,6 +655,8 @@ struct i915_gtt { ...@@ -604,6 +655,8 @@ struct i915_gtt {
struct i915_hw_ppgtt { struct i915_hw_ppgtt {
struct i915_address_space base; struct i915_address_space base;
struct kref ref;
struct drm_mm_node node;
unsigned num_pd_entries; unsigned num_pd_entries;
union { union {
struct page **pt_pages; struct page **pt_pages;
...@@ -620,37 +673,12 @@ struct i915_hw_ppgtt { ...@@ -620,37 +673,12 @@ struct i915_hw_ppgtt {
dma_addr_t *pt_dma_addr; dma_addr_t *pt_dma_addr;
dma_addr_t *gen8_pt_dma_addr[4]; dma_addr_t *gen8_pt_dma_addr[4];
}; };
int (*enable)(struct drm_device *dev);
};
/**
* A VMA represents a GEM BO that is bound into an address space. Therefore, a
* VMA's presence cannot be guaranteed before binding, or after unbinding the
* object into/from the address space.
*
* To make things as simple as possible (ie. no refcounting), a VMA's lifetime
* will always be <= an objects lifetime. So object refcounting should cover us.
*/
struct i915_vma {
struct drm_mm_node node;
struct drm_i915_gem_object *obj;
struct i915_address_space *vm;
/** This object's place on the active/inactive lists */
struct list_head mm_list;
struct list_head vma_link; /* Link in the object's VMA list */
/** This vma's place in the batchbuffer or on the eviction list */
struct list_head exec_list;
/**
* Used for performing relocations during execbuffer insertion.
*/
struct hlist_node exec_node;
unsigned long exec_handle;
struct drm_i915_gem_exec_object2 *exec_entry;
int (*enable)(struct i915_hw_ppgtt *ppgtt);
int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous);
void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
}; };
struct i915_ctx_hang_stats { struct i915_ctx_hang_stats {
...@@ -675,9 +703,10 @@ struct i915_hw_context { ...@@ -675,9 +703,10 @@ struct i915_hw_context {
bool is_initialized; bool is_initialized;
uint8_t remap_slice; uint8_t remap_slice;
struct drm_i915_file_private *file_priv; struct drm_i915_file_private *file_priv;
struct intel_ring_buffer *ring; struct intel_ring_buffer *last_ring;
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
struct i915_ctx_hang_stats hang_stats; struct i915_ctx_hang_stats hang_stats;
struct i915_address_space *vm;
struct list_head link; struct list_head link;
}; };
...@@ -1622,18 +1651,6 @@ struct drm_i915_gem_object { ...@@ -1622,18 +1651,6 @@ struct drm_i915_gem_object {
*/ */
unsigned int fence_dirty:1; unsigned int fence_dirty:1;
/** How many users have pinned this object in GTT space. The following
* users can each hold at most one reference: pwrite/pread, pin_ioctl
* (via user_pin_count), execbuffer (objects are not allowed multiple
* times for the same batchbuffer), and the framebuffer code. When
* switching/pageflipping, the framebuffer code has at most two buffers
* pinned per crtc.
*
* In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
* bits with absolutely no headroom. So use 4 bits. */
unsigned int pin_count:4;
#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
/** /**
* Is the object at the current location in the gtt mappable and * Is the object at the current location in the gtt mappable and
* fenceable? Used to avoid costly recalculations. * fenceable? Used to avoid costly recalculations.
...@@ -1746,7 +1763,7 @@ struct drm_i915_file_private { ...@@ -1746,7 +1763,7 @@ struct drm_i915_file_private {
} mm; } mm;
struct idr context_idr; struct idr context_idr;
struct i915_ctx_hang_stats hang_stats; struct i915_hw_context *private_default_ctx;
atomic_t rps_wait_boost; atomic_t rps_wait_boost;
}; };
...@@ -1819,7 +1836,10 @@ struct drm_i915_file_private { ...@@ -1819,7 +1836,10 @@ struct drm_i915_file_private {
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6) #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6 && !IS_VALLEYVIEW(dev)) #define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6 && !IS_VALLEYVIEW(dev))
#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev) && !IS_BROADWELL(dev))
#define USES_ALIASING_PPGTT(dev) intel_enable_ppgtt(dev, false)
#define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true)
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay) #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical) #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
...@@ -2000,6 +2020,8 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, ...@@ -2000,6 +2020,8 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj,
const struct drm_i915_gem_object_ops *ops); const struct drm_i915_gem_object_ops *ops);
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
size_t size); size_t size);
void i915_init_vm(struct drm_i915_private *dev_priv,
struct i915_address_space *vm);
void i915_gem_free_object(struct drm_gem_object *obj); void i915_gem_free_object(struct drm_gem_object *obj);
void i915_gem_vma_destroy(struct i915_vma *vma); void i915_gem_vma_destroy(struct i915_vma *vma);
...@@ -2008,7 +2030,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj, ...@@ -2008,7 +2030,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
uint32_t alignment, uint32_t alignment,
bool map_and_fenceable, bool map_and_fenceable,
bool nonblocking); bool nonblocking);
void i915_gem_object_unpin(struct drm_i915_gem_object *obj); void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
int __must_check i915_vma_unbind(struct i915_vma *vma); int __must_check i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj); int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj); int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
...@@ -2172,6 +2194,13 @@ i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj, ...@@ -2172,6 +2194,13 @@ i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm); struct i915_address_space *vm);
struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj); struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
struct i915_vma *vma;
list_for_each_entry(vma, &obj->vma_list, vma_link)
if (vma->pin_count > 0)
return true;
return false;
}
/* Some GGTT VM helpers */ /* Some GGTT VM helpers */
#define obj_to_ggtt(obj) \ #define obj_to_ggtt(obj) \
...@@ -2211,46 +2240,51 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj, ...@@ -2211,46 +2240,51 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
} }
/* i915_gem_context.c */ /* i915_gem_context.c */
#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
int __must_check i915_gem_context_init(struct drm_device *dev); int __must_check i915_gem_context_init(struct drm_device *dev);
void i915_gem_context_fini(struct drm_device *dev); void i915_gem_context_fini(struct drm_device *dev);
void i915_gem_context_reset(struct drm_device *dev);
int i915_gem_context_open(struct drm_device *dev, struct drm_file *file);
int i915_gem_context_enable(struct drm_i915_private *dev_priv);
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file); void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
int i915_switch_context(struct intel_ring_buffer *ring, int i915_switch_context(struct intel_ring_buffer *ring,
struct drm_file *file, int to_id); struct drm_file *file, struct i915_hw_context *to);
struct i915_hw_context *
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
void i915_gem_context_free(struct kref *ctx_ref); void i915_gem_context_free(struct kref *ctx_ref);
static inline void i915_gem_context_reference(struct i915_hw_context *ctx) static inline void i915_gem_context_reference(struct i915_hw_context *ctx)
{ {
kref_get(&ctx->ref); if (ctx->obj && HAS_HW_CONTEXTS(ctx->obj->base.dev))
kref_get(&ctx->ref);
} }
static inline void i915_gem_context_unreference(struct i915_hw_context *ctx) static inline void i915_gem_context_unreference(struct i915_hw_context *ctx)
{ {
kref_put(&ctx->ref, i915_gem_context_free); if (ctx->obj && HAS_HW_CONTEXTS(ctx->obj->base.dev))
kref_put(&ctx->ref, i915_gem_context_free);
} }
struct i915_ctx_hang_stats * __must_check
i915_gem_context_get_hang_stats(struct drm_device *dev,
struct drm_file *file,
u32 id);
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file); struct drm_file *file);
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data, int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file); struct drm_file *file);
/* i915_gem_gtt.c */ /* i915_gem_evict.c */
void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev); int __must_check i915_gem_evict_something(struct drm_device *dev,
void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt, struct i915_address_space *vm,
struct drm_i915_gem_object *obj, int min_size,
enum i915_cache_level cache_level); unsigned alignment,
void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt, unsigned cache_level,
struct drm_i915_gem_object *obj); bool mappable,
bool nonblock);
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
int i915_gem_evict_everything(struct drm_device *dev);
/* i915_gem_gtt.c */
void i915_check_and_clear_faults(struct drm_device *dev); void i915_check_and_clear_faults(struct drm_device *dev);
void i915_gem_suspend_gtt_mappings(struct drm_device *dev); void i915_gem_suspend_gtt_mappings(struct drm_device *dev);
void i915_gem_restore_gtt_mappings(struct drm_device *dev); void i915_gem_restore_gtt_mappings(struct drm_device *dev);
int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj); int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level);
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj); void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
void i915_gem_init_global_gtt(struct drm_device *dev); void i915_gem_init_global_gtt(struct drm_device *dev);
void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start, void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
...@@ -2261,18 +2295,64 @@ static inline void i915_gem_chipset_flush(struct drm_device *dev) ...@@ -2261,18 +2295,64 @@ static inline void i915_gem_chipset_flush(struct drm_device *dev)
if (INTEL_INFO(dev)->gen < 6) if (INTEL_INFO(dev)->gen < 6)
intel_gtt_chipset_flush(); intel_gtt_chipset_flush();
} }
int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
static inline bool intel_enable_ppgtt(struct drm_device *dev, bool full)
{
if (i915_enable_ppgtt == 0 || !HAS_ALIASING_PPGTT(dev))
return false;
if (i915_enable_ppgtt == 1 && full)
return false;
/* i915_gem_evict.c */ #ifdef CONFIG_INTEL_IOMMU
int __must_check i915_gem_evict_something(struct drm_device *dev, /* Disable ppgtt on SNB if VT-d is on. */
struct i915_address_space *vm, if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) {
int min_size, DRM_INFO("Disabling PPGTT because VT-d is on\n");
unsigned alignment, return false;
unsigned cache_level, }
bool mappable, #endif
bool nonblock);
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle); if (full)
int i915_gem_evict_everything(struct drm_device *dev); return HAS_PPGTT(dev);
else
return HAS_ALIASING_PPGTT(dev);
}
static inline void ppgtt_release(struct kref *kref)
{
struct i915_hw_ppgtt *ppgtt = container_of(kref, struct i915_hw_ppgtt, ref);
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *vm = &ppgtt->base;
if (ppgtt == dev_priv->mm.aliasing_ppgtt ||
(list_empty(&vm->active_list) && list_empty(&vm->inactive_list))) {
ppgtt->base.cleanup(&ppgtt->base);
return;
}
/*
* Make sure vmas are unbound before we take down the drm_mm
*
* FIXME: Proper refcounting should take care of this, this shouldn't be
* needed at all.
*/
if (!list_empty(&vm->active_list)) {
struct i915_vma *vma;
list_for_each_entry(vma, &vm->active_list, mm_list)
if (WARN_ON(list_empty(&vma->vma_link) ||
list_is_singular(&vma->vma_link)))
break;
i915_gem_evict_vm(&ppgtt->base, true);
} else {
i915_gem_retire_requests(dev);
i915_gem_evict_vm(&ppgtt->base, false);
}
ppgtt->base.cleanup(&ppgtt->base);
}
/* i915_gem_stolen.c */ /* i915_gem_stolen.c */
int i915_gem_init_stolen(struct drm_device *dev); int i915_gem_init_stolen(struct drm_device *dev);
......
drivers/gpu/drm/i915/i915_gem.c
View file @ 0e5539b9
...@@ -204,7 +204,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, ...@@ -204,7 +204,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
pinned = 0; pinned = 0;
mutex_lock(&dev->struct_mutex); mutex_lock(&dev->struct_mutex);
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
if (obj->pin_count) if (i915_gem_obj_is_pinned(obj))
pinned += i915_gem_obj_ggtt_size(obj); pinned += i915_gem_obj_ggtt_size(obj);
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
...@@ -651,7 +651,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev, ...@@ -651,7 +651,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
} }
out_unpin: out_unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
out: out:
return ret; return ret;
} }
...@@ -1420,7 +1420,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) ...@@ -1420,7 +1420,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Finally, remap it using the new GTT offset */ /* Finally, remap it using the new GTT offset */
ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
unpin: unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
unlock: unlock:
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
out: out:
...@@ -2035,13 +2035,17 @@ static void ...@@ -2035,13 +2035,17 @@ static void
i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj) i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
{ {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private; struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
struct i915_address_space *ggtt_vm = &dev_priv->gtt.base; struct i915_address_space *vm;
struct i915_vma *vma = i915_gem_obj_to_vma(obj, ggtt_vm); struct i915_vma *vma;
BUG_ON(obj->base.write_domain & ~I915_GEM_GPU_DOMAINS); BUG_ON(obj->base.write_domain & ~I915_GEM_GPU_DOMAINS);
BUG_ON(!obj->active); BUG_ON(!obj->active);
list_move_tail(&vma->mm_list, &ggtt_vm->inactive_list); list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
vma = i915_gem_obj_to_vma(obj, vm);
if (vma && !list_empty(&vma->mm_list))
list_move_tail(&vma->mm_list, &vm->inactive_list);
}
list_del_init(&obj->ring_list); list_del_init(&obj->ring_list);
obj->ring = NULL; obj->ring = NULL;
...@@ -2270,7 +2274,10 @@ request_to_vm(struct drm_i915_gem_request *request) ...@@ -2270,7 +2274,10 @@ request_to_vm(struct drm_i915_gem_request *request)
struct drm_i915_private *dev_priv = request->ring->dev->dev_private; struct drm_i915_private *dev_priv = request->ring->dev->dev_private;
struct i915_address_space *vm; struct i915_address_space *vm;
vm = &dev_priv->gtt.base; if (request->ctx)
vm = request->ctx->vm;
else
vm = &dev_priv->gtt.base;
return vm; return vm;
} }
...@@ -2346,7 +2353,7 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring, ...@@ -2346,7 +2353,7 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
if (request->ctx && request->ctx->id != DEFAULT_CONTEXT_ID) if (request->ctx && request->ctx->id != DEFAULT_CONTEXT_ID)
hs = &request->ctx->hang_stats; hs = &request->ctx->hang_stats;
else if (request->file_priv) else if (request->file_priv)
hs = &request->file_priv->hang_stats; hs = &request->file_priv->private_default_ctx->hang_stats;
if (hs) { if (hs) {
if (guilty) { if (guilty) {
...@@ -2456,6 +2463,8 @@ void i915_gem_reset(struct drm_device *dev) ...@@ -2456,6 +2463,8 @@ void i915_gem_reset(struct drm_device *dev)
i915_gem_cleanup_ringbuffer(dev); i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_reset(dev);
i915_gem_restore_fences(dev); i915_gem_restore_fences(dev);
} }
...@@ -2474,6 +2483,24 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring) ...@@ -2474,6 +2483,24 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
seqno = ring->get_seqno(ring, true); seqno = ring->get_seqno(ring, true);
/* Move any buffers on the active list that are no longer referenced
* by the ringbuffer to the flushing/inactive lists as appropriate,
* before we free the context associated with the requests.
*/
while (!list_empty(&ring->active_list)) {
struct drm_i915_gem_object *obj;
obj = list_first_entry(&ring->active_list,
struct drm_i915_gem_object,
ring_list);
if (!i915_seqno_passed(seqno, obj->last_read_seqno))
break;
i915_gem_object_move_to_inactive(obj);
}
while (!list_empty(&ring->request_list)) { while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request; struct drm_i915_gem_request *request;
...@@ -2495,22 +2522,6 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring) ...@@ -2495,22 +2522,6 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
i915_gem_free_request(request); i915_gem_free_request(request);
} }
/* Move any buffers on the active list that are no longer referenced
* by the ringbuffer to the flushing/inactive lists as appropriate.
*/
while (!list_empty(&ring->active_list)) {
struct drm_i915_gem_object *obj;
obj = list_first_entry(&ring->active_list,
struct drm_i915_gem_object,
ring_list);
if (!i915_seqno_passed(seqno, obj->last_read_seqno))
break;
i915_gem_object_move_to_inactive(obj);
}
if (unlikely(ring->trace_irq_seqno && if (unlikely(ring->trace_irq_seqno &&
i915_seqno_passed(seqno, ring->trace_irq_seqno))) { i915_seqno_passed(seqno, ring->trace_irq_seqno))) {
ring->irq_put(ring); ring->irq_put(ring);
...@@ -2753,9 +2764,6 @@ int i915_vma_unbind(struct i915_vma *vma) ...@@ -2753,9 +2764,6 @@ int i915_vma_unbind(struct i915_vma *vma)
drm_i915_private_t *dev_priv = obj->base.dev->dev_private; drm_i915_private_t *dev_priv = obj->base.dev->dev_private;
int ret; int ret;
/* For now we only ever use 1 vma per object */
WARN_ON(!list_is_singular(&obj->vma_list));
if (list_empty(&vma->vma_link)) if (list_empty(&vma->vma_link))
return 0; return 0;
...@@ -2765,7 +2773,7 @@ int i915_vma_unbind(struct i915_vma *vma) ...@@ -2765,7 +2773,7 @@ int i915_vma_unbind(struct i915_vma *vma)
return 0; return 0;
} }
if (obj->pin_count) if (vma->pin_count)
return -EBUSY; return -EBUSY;
BUG_ON(obj->pages == NULL); BUG_ON(obj->pages == NULL);
...@@ -2787,12 +2795,8 @@ int i915_vma_unbind(struct i915_vma *vma) ...@@ -2787,12 +2795,8 @@ int i915_vma_unbind(struct i915_vma *vma)
trace_i915_vma_unbind(vma); trace_i915_vma_unbind(vma);
if (obj->has_global_gtt_mapping) vma->unbind_vma(vma);
i915_gem_gtt_unbind_object(obj);
if (obj->has_aliasing_ppgtt_mapping) {
i915_ppgtt_unbind_object(dev_priv->mm.aliasing_ppgtt, obj);
obj->has_aliasing_ppgtt_mapping = 0;
}
i915_gem_gtt_finish_object(obj); i915_gem_gtt_finish_object(obj);
list_del(&vma->mm_list); list_del(&vma->mm_list);
...@@ -2829,7 +2833,7 @@ i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj) ...@@ -2829,7 +2833,7 @@ i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
if (!i915_gem_obj_ggtt_bound(obj)) if (!i915_gem_obj_ggtt_bound(obj))
return 0; return 0;
if (obj->pin_count) if (i915_gem_obj_to_ggtt(obj)->pin_count)
return -EBUSY; return -EBUSY;
BUG_ON(obj->pages == NULL); BUG_ON(obj->pages == NULL);
...@@ -2845,7 +2849,7 @@ int i915_gpu_idle(struct drm_device *dev) ...@@ -2845,7 +2849,7 @@ int i915_gpu_idle(struct drm_device *dev)
/* Flush everything onto the inactive list. */ /* Flush everything onto the inactive list. */
for_each_ring(ring, dev_priv, i) { for_each_ring(ring, dev_priv, i) {
ret = i915_switch_context(ring, NULL, DEFAULT_CONTEXT_ID); ret = i915_switch_context(ring, NULL, ring->default_context);
if (ret) if (ret)
return ret; return ret;
...@@ -3312,17 +3316,12 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj, ...@@ -3312,17 +3316,12 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
i915_gem_object_pin_pages(obj); i915_gem_object_pin_pages(obj);
BUG_ON(!i915_is_ggtt(vm));
vma = i915_gem_obj_lookup_or_create_vma(obj, vm); vma = i915_gem_obj_lookup_or_create_vma(obj, vm);
if (IS_ERR(vma)) { if (IS_ERR(vma)) {
ret = PTR_ERR(vma); ret = PTR_ERR(vma);
goto err_unpin; goto err_unpin;
} }
/* For now we only ever use 1 vma per object */
WARN_ON(!list_is_singular(&obj->vma_list));
search_free: search_free:
ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node, ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
size, alignment, size, alignment,
...@@ -3528,14 +3527,13 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, ...@@ -3528,14 +3527,13 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level) enum i915_cache_level cache_level)
{ {
struct drm_device *dev = obj->base.dev; struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct i915_vma *vma; struct i915_vma *vma;
int ret; int ret;
if (obj->cache_level == cache_level) if (obj->cache_level == cache_level)
return 0; return 0;
if (obj->pin_count) { if (i915_gem_obj_is_pinned(obj)) {
DRM_DEBUG("can not change the cache level of pinned objects\n"); DRM_DEBUG("can not change the cache level of pinned objects\n");
return -EBUSY; return -EBUSY;
} }
...@@ -3567,11 +3565,8 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, ...@@ -3567,11 +3565,8 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
return ret; return ret;
} }
if (obj->has_global_gtt_mapping) list_for_each_entry(vma, &obj->vma_list, vma_link)
i915_gem_gtt_bind_object(obj, cache_level); vma->bind_vma(vma, cache_level, 0);
if (obj->has_aliasing_ppgtt_mapping)
i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
obj, cache_level);
} }
list_for_each_entry(vma, &obj->vma_list, vma_link) list_for_each_entry(vma, &obj->vma_list, vma_link)
...@@ -3695,7 +3690,7 @@ static bool is_pin_display(struct drm_i915_gem_object *obj) ...@@ -3695,7 +3690,7 @@ static bool is_pin_display(struct drm_i915_gem_object *obj)
* subtracting the potential reference by the user, any pin_count * subtracting the potential reference by the user, any pin_count
* remains, it must be due to another use by the display engine. * remains, it must be due to another use by the display engine.
*/ */
return obj->pin_count - !!obj->user_pin_count; return i915_gem_obj_to_ggtt(obj)->pin_count - !!obj->user_pin_count;
} }
/* /*
...@@ -3769,7 +3764,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, ...@@ -3769,7 +3764,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
void void
i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj) i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj)
{ {
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
obj->pin_display = is_pin_display(obj); obj->pin_display = is_pin_display(obj);
} }
...@@ -3899,21 +3894,22 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj, ...@@ -3899,21 +3894,22 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
bool map_and_fenceable, bool map_and_fenceable,
bool nonblocking) bool nonblocking)
{ {
const u32 flags = map_and_fenceable ? GLOBAL_BIND : 0;
struct i915_vma *vma; struct i915_vma *vma;
int ret; int ret;
if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
return -EBUSY;
WARN_ON(map_and_fenceable && !i915_is_ggtt(vm)); WARN_ON(map_and_fenceable && !i915_is_ggtt(vm));
vma = i915_gem_obj_to_vma(obj, vm); vma = i915_gem_obj_to_vma(obj, vm);
if (vma) { if (vma) {
if (WARN_ON(vma->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
return -EBUSY;
if ((alignment && if ((alignment &&
vma->node.start & (alignment - 1)) || vma->node.start & (alignment - 1)) ||
(map_and_fenceable && !obj->map_and_fenceable)) { (map_and_fenceable && !obj->map_and_fenceable)) {
WARN(obj->pin_count, WARN(vma->pin_count,
"bo is already pinned with incorrect alignment:" "bo is already pinned with incorrect alignment:"
" offset=%lx, req.alignment=%x, req.map_and_fenceable=%d," " offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
" obj->map_and_fenceable=%d\n", " obj->map_and_fenceable=%d\n",
...@@ -3927,34 +3923,34 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj, ...@@ -3927,34 +3923,34 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
} }
if (!i915_gem_obj_bound(obj, vm)) { if (!i915_gem_obj_bound(obj, vm)) {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
ret = i915_gem_object_bind_to_vm(obj, vm, alignment, ret = i915_gem_object_bind_to_vm(obj, vm, alignment,
map_and_fenceable, map_and_fenceable,
nonblocking); nonblocking);
if (ret) if (ret)
return ret; return ret;
if (!dev_priv->mm.aliasing_ppgtt)
i915_gem_gtt_bind_object(obj, obj->cache_level);
} }
if (!obj->has_global_gtt_mapping && map_and_fenceable) vma = i915_gem_obj_to_vma(obj, vm);
i915_gem_gtt_bind_object(obj, obj->cache_level);
vma->bind_vma(vma, obj->cache_level, flags);
obj->pin_count++; i915_gem_obj_to_vma(obj, vm)->pin_count++;
obj->pin_mappable |= map_and_fenceable; obj->pin_mappable |= map_and_fenceable;
return 0; return 0;
} }
void void
i915_gem_object_unpin(struct drm_i915_gem_object *obj) i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj)
{ {
BUG_ON(obj->pin_count == 0); struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
BUG_ON(!i915_gem_obj_bound_any(obj));
if (--obj->pin_count == 0) BUG_ON(!vma);
BUG_ON(vma->pin_count == 0);
BUG_ON(!i915_gem_obj_ggtt_bound(obj));
if (--vma->pin_count == 0)
obj->pin_mappable = false; obj->pin_mappable = false;
} }
...@@ -3966,6 +3962,9 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data, ...@@ -3966,6 +3962,9 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
int ret; int ret;
if (INTEL_INFO(dev)->gen >= 6)
return -ENODEV;
ret = i915_mutex_lock_interruptible(dev); ret = i915_mutex_lock_interruptible(dev);
if (ret) if (ret)
return ret; return ret;
...@@ -4038,7 +4037,7 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data, ...@@ -4038,7 +4037,7 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
obj->user_pin_count--; obj->user_pin_count--;
if (obj->user_pin_count == 0) { if (obj->user_pin_count == 0) {
obj->pin_filp = NULL; obj->pin_filp = NULL;
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
} }
out: out:
...@@ -4118,7 +4117,7 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, ...@@ -4118,7 +4117,7 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
goto unlock; goto unlock;
} }
if (obj->pin_count) { if (i915_gem_obj_is_pinned(obj)) {
ret = -EINVAL; ret = -EINVAL;
goto out; goto out;
} }
...@@ -4229,12 +4228,11 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj) ...@@ -4229,12 +4228,11 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
if (obj->phys_obj) if (obj->phys_obj)
i915_gem_detach_phys_object(dev, obj); i915_gem_detach_phys_object(dev, obj);
obj->pin_count = 0;
/* NB: 0 or 1 elements */
WARN_ON(!list_empty(&obj->vma_list) &&
!list_is_singular(&obj->vma_list));
list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) { list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
int ret = i915_vma_unbind(vma); int ret;
vma->pin_count = 0;
ret = i915_vma_unbind(vma);
if (WARN_ON(ret == -ERESTARTSYS)) { if (WARN_ON(ret == -ERESTARTSYS)) {
bool was_interruptible; bool was_interruptible;
...@@ -4283,41 +4281,6 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj, ...@@ -4283,41 +4281,6 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
return NULL; return NULL;
} }
static struct i915_vma *__i915_gem_vma_create(struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
struct i915_vma *vma = kzalloc(sizeof(*vma), GFP_KERNEL);
if (vma == NULL)
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&vma->vma_link);
INIT_LIST_HEAD(&vma->mm_list);
INIT_LIST_HEAD(&vma->exec_list);
vma->vm = vm;
vma->obj = obj;
/* Keep GGTT vmas first to make debug easier */
if (i915_is_ggtt(vm))
list_add(&vma->vma_link, &obj->vma_list);
else
list_add_tail(&vma->vma_link, &obj->vma_list);
return vma;
}
struct i915_vma *
i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
struct i915_vma *vma;
vma = i915_gem_obj_to_vma(obj, vm);
if (!vma)
vma = __i915_gem_vma_create(obj, vm);
return vma;
}
void i915_gem_vma_destroy(struct i915_vma *vma) void i915_gem_vma_destroy(struct i915_vma *vma)
{ {
WARN_ON(vma->node.allocated); WARN_ON(vma->node.allocated);
...@@ -4523,25 +4486,23 @@ i915_gem_init_hw(struct drm_device *dev) ...@@ -4523,25 +4486,23 @@ i915_gem_init_hw(struct drm_device *dev)
i915_gem_l3_remap(&dev_priv->ring[RCS], i); i915_gem_l3_remap(&dev_priv->ring[RCS], i);
/* /*
* XXX: There was some w/a described somewhere suggesting loading * XXX: Contexts should only be initialized once. Doing a switch to the
* contexts before PPGTT. * default context switch however is something we'd like to do after
* reset or thaw (the latter may not actually be necessary for HW, but
* goes with our code better). Context switching requires rings (for
* the do_switch), but before enabling PPGTT. So don't move this.
*/ */
ret = i915_gem_context_init(dev); ret = i915_gem_context_enable(dev_priv);
if (ret) { if (ret) {
i915_gem_cleanup_ringbuffer(dev); DRM_ERROR("Context enable failed %d\n", ret);
DRM_ERROR("Context initialization failed %d\n", ret); goto err_out;
return ret;
}
if (dev_priv->mm.aliasing_ppgtt) {
ret = dev_priv->mm.aliasing_ppgtt->enable(dev);
if (ret) {
i915_gem_cleanup_aliasing_ppgtt(dev);
DRM_INFO("PPGTT enable failed. This is not fatal, but unexpected\n");
}
} }
return 0; return 0;
err_out:
i915_gem_cleanup_ringbuffer(dev);
return ret;
} }
int i915_gem_init(struct drm_device *dev) int i915_gem_init(struct drm_device *dev)
...@@ -4560,10 +4521,16 @@ int i915_gem_init(struct drm_device *dev) ...@@ -4560,10 +4521,16 @@ int i915_gem_init(struct drm_device *dev)
i915_gem_init_global_gtt(dev); i915_gem_init_global_gtt(dev);
ret = i915_gem_context_init(dev);
if (ret)
return ret;
ret = i915_gem_init_hw(dev); ret = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
if (ret) { if (ret) {
i915_gem_cleanup_aliasing_ppgtt(dev); WARN_ON(dev_priv->mm.aliasing_ppgtt);
i915_gem_context_fini(dev);
drm_mm_takedown(&dev_priv->gtt.base.mm);
return ret; return ret;
} }
...@@ -4658,14 +4625,16 @@ init_ring_lists(struct intel_ring_buffer *ring) ...@@ -4658,14 +4625,16 @@ init_ring_lists(struct intel_ring_buffer *ring)
INIT_LIST_HEAD(&ring->request_list); INIT_LIST_HEAD(&ring->request_list);
} }
static void i915_init_vm(struct drm_i915_private *dev_priv, void i915_init_vm(struct drm_i915_private *dev_priv,
struct i915_address_space *vm) struct i915_address_space *vm)
{ {
if (!i915_is_ggtt(vm))
drm_mm_init(&vm->mm, vm->start, vm->total);
vm->dev = dev_priv->dev; vm->dev = dev_priv->dev;
INIT_LIST_HEAD(&vm->active_list); INIT_LIST_HEAD(&vm->active_list);
INIT_LIST_HEAD(&vm->inactive_list); INIT_LIST_HEAD(&vm->inactive_list);
INIT_LIST_HEAD(&vm->global_link); INIT_LIST_HEAD(&vm->global_link);
list_add(&vm->global_link, &dev_priv->vm_list); list_add_tail(&vm->global_link, &dev_priv->vm_list);
} }
void void
...@@ -4950,6 +4919,7 @@ i915_gem_file_idle_work_handler(struct work_struct *work) ...@@ -4950,6 +4919,7 @@ i915_gem_file_idle_work_handler(struct work_struct *work)
int i915_gem_open(struct drm_device *dev, struct drm_file *file) int i915_gem_open(struct drm_device *dev, struct drm_file *file)
{ {
struct drm_i915_file_private *file_priv; struct drm_i915_file_private *file_priv;
int ret;
DRM_DEBUG_DRIVER("\n"); DRM_DEBUG_DRIVER("\n");
...@@ -4965,9 +4935,11 @@ int i915_gem_open(struct drm_device *dev, struct drm_file *file) ...@@ -4965,9 +4935,11 @@ int i915_gem_open(struct drm_device *dev, struct drm_file *file)
INIT_DELAYED_WORK(&file_priv->mm.idle_work, INIT_DELAYED_WORK(&file_priv->mm.idle_work,
i915_gem_file_idle_work_handler); i915_gem_file_idle_work_handler);
idr_init(&file_priv->context_idr); ret = i915_gem_context_open(dev, file);
if (ret)
kfree(file_priv);
return 0; return ret;
} }
static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task) static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task)
...@@ -5014,7 +4986,7 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc) ...@@ -5014,7 +4986,7 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc)
if (obj->active) if (obj->active)
continue; continue;
if (obj->pin_count == 0 && obj->pages_pin_count == 0) if (!i915_gem_obj_is_pinned(obj) && obj->pages_pin_count == 0)
count += obj->base.size >> PAGE_SHIFT; count += obj->base.size >> PAGE_SHIFT;
} }
...@@ -5031,7 +5003,8 @@ unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o, ...@@ -5031,7 +5003,8 @@ unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private; struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma; struct i915_vma *vma;
if (vm == &dev_priv->mm.aliasing_ppgtt->base) if (!dev_priv->mm.aliasing_ppgtt ||
vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base; vm = &dev_priv->gtt.base;
BUG_ON(list_empty(&o->vma_list)); BUG_ON(list_empty(&o->vma_list));
...@@ -5072,7 +5045,8 @@ unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o, ...@@ -5072,7 +5045,8 @@ unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private; struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma; struct i915_vma *vma;
if (vm == &dev_priv->mm.aliasing_ppgtt->base) if (!dev_priv->mm.aliasing_ppgtt ||
vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base; vm = &dev_priv->gtt.base;
BUG_ON(list_empty(&o->vma_list)); BUG_ON(list_empty(&o->vma_list));
...@@ -5127,7 +5101,7 @@ struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj) ...@@ -5127,7 +5101,7 @@ struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj)
return NULL; return NULL;
vma = list_first_entry(&obj->vma_list, typeof(*vma), vma_link); vma = list_first_entry(&obj->vma_list, typeof(*vma), vma_link);
if (WARN_ON(vma->vm != obj_to_ggtt(obj))) if (vma->vm != obj_to_ggtt(obj))
return NULL; return NULL;
return vma; return vma;
......
drivers/gpu/drm/i915/i915_gem_context.c
View file @ 0e5539b9
...@@ -93,11 +93,19 @@ ...@@ -93,11 +93,19 @@
* I've seen in a spec to date, and that was a workaround for a non-shipping * I've seen in a spec to date, and that was a workaround for a non-shipping
* part. It should be safe to decrease this, but it's more future proof as is. * part. It should be safe to decrease this, but it's more future proof as is.
*/ */
#define CONTEXT_ALIGN (64<<10) #define GEN6_CONTEXT_ALIGN (64<<10)
#define GEN7_CONTEXT_ALIGN 4096
static struct i915_hw_context * static int do_switch(struct intel_ring_buffer *ring,
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id); struct i915_hw_context *to);
static int do_switch(struct i915_hw_context *to);
static size_t get_context_alignment(struct drm_device *dev)
{
if (IS_GEN6(dev))
return GEN6_CONTEXT_ALIGN;
return GEN7_CONTEXT_ALIGN;
}
static int get_context_size(struct drm_device *dev) static int get_context_size(struct drm_device *dev)
{ {
...@@ -131,14 +139,43 @@ void i915_gem_context_free(struct kref *ctx_ref) ...@@ -131,14 +139,43 @@ void i915_gem_context_free(struct kref *ctx_ref)
{ {
struct i915_hw_context *ctx = container_of(ctx_ref, struct i915_hw_context *ctx = container_of(ctx_ref,
typeof(*ctx), ref); typeof(*ctx), ref);
struct i915_hw_ppgtt *ppgtt = NULL;
list_del(&ctx->link); /* We refcount even the aliasing PPGTT to keep the code symmetric */
if (USES_ALIASING_PPGTT(ctx->obj->base.dev))
ppgtt = ctx_to_ppgtt(ctx);
/* XXX: Free up the object before tearing down the address space, in
* case we're bound in the PPGTT */
drm_gem_object_unreference(&ctx->obj->base); drm_gem_object_unreference(&ctx->obj->base);
if (ppgtt)
kref_put(&ppgtt->ref, ppgtt_release);
list_del(&ctx->link);
kfree(ctx); kfree(ctx);
} }
static struct i915_hw_ppgtt *
create_vm_for_ctx(struct drm_device *dev, struct i915_hw_context *ctx)
{
struct i915_hw_ppgtt *ppgtt;
int ret;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return ERR_PTR(-ENOMEM);
ret = i915_gem_init_ppgtt(dev, ppgtt);
if (ret) {
kfree(ppgtt);
return ERR_PTR(ret);
}
return ppgtt;
}
static struct i915_hw_context * static struct i915_hw_context *
create_hw_context(struct drm_device *dev, __create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv) struct drm_i915_file_private *file_priv)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
...@@ -166,18 +203,13 @@ create_hw_context(struct drm_device *dev, ...@@ -166,18 +203,13 @@ create_hw_context(struct drm_device *dev,
goto err_out; goto err_out;
} }
/* The ring associated with the context object is handled by the normal
* object tracking code. We give an initial ring value simple to pass an
* assertion in the context switch code.
*/
ctx->ring = &dev_priv->ring[RCS];
list_add_tail(&ctx->link, &dev_priv->context_list); list_add_tail(&ctx->link, &dev_priv->context_list);
/* Default context will never have a file_priv */ /* Default context will never have a file_priv */
if (file_priv == NULL) if (file_priv == NULL)
return ctx; return ctx;
ret = idr_alloc(&file_priv->context_idr, ctx, DEFAULT_CONTEXT_ID + 1, 0, ret = idr_alloc(&file_priv->context_idr, ctx, DEFAULT_CONTEXT_ID, 0,
GFP_KERNEL); GFP_KERNEL);
if (ret < 0) if (ret < 0)
goto err_out; goto err_out;
...@@ -198,7 +230,7 @@ create_hw_context(struct drm_device *dev, ...@@ -198,7 +230,7 @@ create_hw_context(struct drm_device *dev,
static inline bool is_default_context(struct i915_hw_context *ctx) static inline bool is_default_context(struct i915_hw_context *ctx)
{ {
return (ctx == ctx->ring->default_context); return (ctx->id == DEFAULT_CONTEXT_ID);
} }
/** /**
...@@ -206,57 +238,129 @@ static inline bool is_default_context(struct i915_hw_context *ctx) ...@@ -206,57 +238,129 @@ static inline bool is_default_context(struct i915_hw_context *ctx)
* context state of the GPU for applications that don't utilize HW contexts, as * context state of the GPU for applications that don't utilize HW contexts, as
* well as an idle case. * well as an idle case.
*/ */
static int create_default_context(struct drm_i915_private *dev_priv) static struct i915_hw_context *
i915_gem_create_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv,
bool create_vm)
{ {
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_context *ctx; struct i915_hw_context *ctx;
int ret; int ret = 0;
BUG_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex)); BUG_ON(!mutex_is_locked(&dev->struct_mutex));
ctx = create_hw_context(dev_priv->dev, NULL); ctx = __create_hw_context(dev, file_priv);
if (IS_ERR(ctx)) if (IS_ERR(ctx))
return PTR_ERR(ctx); return ctx;
/* We may need to do things with the shrinker which require us to
* immediately switch back to the default context. This can cause a
* problem as pinning the default context also requires GTT space which
* may not be available. To avoid this we always pin the
* default context.
*/
ret = i915_gem_obj_ggtt_pin(ctx->obj, CONTEXT_ALIGN, false, false);
if (ret) {
DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
goto err_destroy;
}
ret = do_switch(ctx);
if (ret) {
DRM_DEBUG_DRIVER("Switch failed %d\n", ret);
goto err_unpin;
}
dev_priv->ring[RCS].default_context = ctx; if (create_vm) {
struct i915_hw_ppgtt *ppgtt = create_vm_for_ctx(dev, ctx);
if (IS_ERR_OR_NULL(ppgtt)) {
DRM_DEBUG_DRIVER("PPGTT setup failed (%ld)\n",
PTR_ERR(ppgtt));
ret = PTR_ERR(ppgtt);
goto err_destroy;
} else
ctx->vm = &ppgtt->base;
/* This case is reserved for the global default context and
* should only happen once. */
if (!file_priv) {
if (WARN_ON(dev_priv->mm.aliasing_ppgtt)) {
ret = -EEXIST;
goto err_destroy;
}
dev_priv->mm.aliasing_ppgtt = ppgtt;
/* We may need to do things with the shrinker which
* require us to immediately switch back to the default
* context. This can cause a problem as pinning the
* default context also requires GTT space which may not
* be available. To avoid this we always pin the default
* context.
*/
ret = i915_gem_obj_ggtt_pin(ctx->obj,
get_context_alignment(dev),
false, false);
if (ret) {
DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
goto err_destroy;
}
ctx->vm = &dev_priv->mm.aliasing_ppgtt->base;
}
} else if (USES_ALIASING_PPGTT(dev)) {
/* For platforms which only have aliasing PPGTT, we fake the
* address space and refcounting. */
ctx->vm = &dev_priv->mm.aliasing_ppgtt->base;
kref_get(&dev_priv->mm.aliasing_ppgtt->ref);
} else
ctx->vm = &dev_priv->gtt.base;
DRM_DEBUG_DRIVER("Default HW context loaded\n"); return ctx;
return 0;
err_unpin:
i915_gem_object_unpin(ctx->obj);
err_destroy: err_destroy:
i915_gem_context_unreference(ctx); i915_gem_context_unreference(ctx);
return ret; return ERR_PTR(ret);
}
void i915_gem_context_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
int i;
if (!HAS_HW_CONTEXTS(dev))
return;
/* Prevent the hardware from restoring the last context (which hung) on
* the next switch */
for (i = 0; i < I915_NUM_RINGS; i++) {
struct i915_hw_context *dctx;
if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
continue;
/* Do a fake switch to the default context */
ring = &dev_priv->ring[i];
dctx = ring->default_context;
if (WARN_ON(!dctx))
continue;
if (!ring->last_context)
continue;
if (ring->last_context == dctx)
continue;
if (i == RCS) {
WARN_ON(i915_gem_obj_ggtt_pin(dctx->obj,
get_context_alignment(dev),
false, false));
/* Fake a finish/inactive */
dctx->obj->base.write_domain = 0;
dctx->obj->active = 0;
}
i915_gem_context_unreference(ring->last_context);
i915_gem_context_reference(dctx);
ring->last_context = dctx;
}
} }
int i915_gem_context_init(struct drm_device *dev) int i915_gem_context_init(struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
int ret; struct intel_ring_buffer *ring;
int i;
if (!HAS_HW_CONTEXTS(dev)) if (!HAS_HW_CONTEXTS(dev))
return 0; return 0;
/* If called from reset, or thaw... we've been here already */ /* Init should only be called once per module load. Eventually the
if (dev_priv->ring[RCS].default_context) * restriction on the context_disabled check can be loosened. */
if (WARN_ON(dev_priv->ring[RCS].default_context))
return 0; return 0;
dev_priv->hw_context_size = round_up(get_context_size(dev), 4096); dev_priv->hw_context_size = round_up(get_context_size(dev), 4096);
...@@ -266,11 +370,23 @@ int i915_gem_context_init(struct drm_device *dev) ...@@ -266,11 +370,23 @@ int i915_gem_context_init(struct drm_device *dev)
return -E2BIG; return -E2BIG;
} }
ret = create_default_context(dev_priv); dev_priv->ring[RCS].default_context =
if (ret) { i915_gem_create_context(dev, NULL, USES_ALIASING_PPGTT(dev));
DRM_DEBUG_DRIVER("Disabling HW Contexts; create failed %d\n",
ret); if (IS_ERR_OR_NULL(dev_priv->ring[RCS].default_context)) {
return ret; DRM_DEBUG_DRIVER("Disabling HW Contexts; create failed %ld\n",
PTR_ERR(dev_priv->ring[RCS].default_context));
return PTR_ERR(dev_priv->ring[RCS].default_context);
}
for (i = RCS + 1; i < I915_NUM_RINGS; i++) {
if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
continue;
ring = &dev_priv->ring[i];
/* NB: RCS will hold a ref for all rings */
ring->default_context = dev_priv->ring[RCS].default_context;
} }
DRM_DEBUG_DRIVER("HW context support initialized\n"); DRM_DEBUG_DRIVER("HW context support initialized\n");
...@@ -281,6 +397,7 @@ void i915_gem_context_fini(struct drm_device *dev) ...@@ -281,6 +397,7 @@ void i915_gem_context_fini(struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_context *dctx = dev_priv->ring[RCS].default_context; struct i915_hw_context *dctx = dev_priv->ring[RCS].default_context;
int i;
if (!HAS_HW_CONTEXTS(dev)) if (!HAS_HW_CONTEXTS(dev))
return; return;
...@@ -300,59 +417,125 @@ void i915_gem_context_fini(struct drm_device *dev) ...@@ -300,59 +417,125 @@ void i915_gem_context_fini(struct drm_device *dev)
if (dev_priv->ring[RCS].last_context == dctx) { if (dev_priv->ring[RCS].last_context == dctx) {
/* Fake switch to NULL context */ /* Fake switch to NULL context */
WARN_ON(dctx->obj->active); WARN_ON(dctx->obj->active);
i915_gem_object_unpin(dctx->obj); i915_gem_object_ggtt_unpin(dctx->obj);
i915_gem_context_unreference(dctx); i915_gem_context_unreference(dctx);
dev_priv->ring[RCS].last_context = NULL;
}
for (i = 0; i < I915_NUM_RINGS; i++) {
struct intel_ring_buffer *ring = &dev_priv->ring[i];
if (!(INTEL_INFO(dev)->ring_mask & (1<<i)))
continue;
if (ring->last_context)
i915_gem_context_unreference(ring->last_context);
ring->default_context = NULL;
ring->last_context = NULL;
} }
i915_gem_object_unpin(dctx->obj); i915_gem_object_ggtt_unpin(dctx->obj);
i915_gem_context_unreference(dctx); i915_gem_context_unreference(dctx);
dev_priv->ring[RCS].default_context = NULL; dev_priv->mm.aliasing_ppgtt = NULL;
dev_priv->ring[RCS].last_context = NULL; }
int i915_gem_context_enable(struct drm_i915_private *dev_priv)
{
struct intel_ring_buffer *ring;
int ret, i;
if (!HAS_HW_CONTEXTS(dev_priv->dev))
return 0;
/* This is the only place the aliasing PPGTT gets enabled, which means
* it has to happen before we bail on reset */
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
ppgtt->enable(ppgtt);
}
/* FIXME: We should make this work, even in reset */
if (i915_reset_in_progress(&dev_priv->gpu_error))
return 0;
BUG_ON(!dev_priv->ring[RCS].default_context);
for_each_ring(ring, dev_priv, i) {
ret = do_switch(ring, ring->default_context);
if (ret)
return ret;
}
return 0;
} }
static int context_idr_cleanup(int id, void *p, void *data) static int context_idr_cleanup(int id, void *p, void *data)
{ {
struct i915_hw_context *ctx = p; struct i915_hw_context *ctx = p;
BUG_ON(id == DEFAULT_CONTEXT_ID); /* Ignore the default context because close will handle it */
if (is_default_context(ctx))
return 0;
i915_gem_context_unreference(ctx); i915_gem_context_unreference(ctx);
return 0; return 0;
} }
struct i915_ctx_hang_stats * int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
i915_gem_context_get_hang_stats(struct drm_device *dev,
struct drm_file *file,
u32 id)
{ {
struct drm_i915_file_private *file_priv = file->driver_priv; struct drm_i915_file_private *file_priv = file->driver_priv;
struct i915_hw_context *ctx; struct drm_i915_private *dev_priv = dev->dev_private;
if (id == DEFAULT_CONTEXT_ID) if (!HAS_HW_CONTEXTS(dev)) {
return &file_priv->hang_stats; /* Cheat for hang stats */
file_priv->private_default_ctx =
kzalloc(sizeof(struct i915_hw_context), GFP_KERNEL);
file_priv->private_default_ctx->vm = &dev_priv->gtt.base;
return 0;
}
if (!HAS_HW_CONTEXTS(dev)) idr_init(&file_priv->context_idr);
return ERR_PTR(-ENOENT);
ctx = i915_gem_context_get(file->driver_priv, id); mutex_lock(&dev->struct_mutex);
if (ctx == NULL) file_priv->private_default_ctx =
return ERR_PTR(-ENOENT); i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
mutex_unlock(&dev->struct_mutex);
if (IS_ERR(file_priv->private_default_ctx)) {
idr_destroy(&file_priv->context_idr);
return PTR_ERR(file_priv->private_default_ctx);
}
return &ctx->hang_stats; return 0;
} }
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
{ {
struct drm_i915_file_private *file_priv = file->driver_priv; struct drm_i915_file_private *file_priv = file->driver_priv;
if (!HAS_HW_CONTEXTS(dev)) {
kfree(file_priv->private_default_ctx);
return;
}
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL); idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
i915_gem_context_unreference(file_priv->private_default_ctx);
idr_destroy(&file_priv->context_idr); idr_destroy(&file_priv->context_idr);
} }
static struct i915_hw_context * struct i915_hw_context *
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id) i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id)
{ {
return (struct i915_hw_context *)idr_find(&file_priv->context_idr, id); struct i915_hw_context *ctx;
if (!HAS_HW_CONTEXTS(file_priv->dev_priv->dev))
return file_priv->private_default_ctx;
ctx = (struct i915_hw_context *)idr_find(&file_priv->context_idr, id);
if (!ctx)
return ERR_PTR(-ENOENT);
return ctx;
} }
static inline int static inline int
...@@ -403,21 +586,31 @@ mi_set_context(struct intel_ring_buffer *ring, ...@@ -403,21 +586,31 @@ mi_set_context(struct intel_ring_buffer *ring,
return ret; return ret;
} }
static int do_switch(struct i915_hw_context *to) static int do_switch(struct intel_ring_buffer *ring,
struct i915_hw_context *to)
{ {
struct intel_ring_buffer *ring = to->ring; struct drm_i915_private *dev_priv = ring->dev->dev_private;
struct i915_hw_context *from = ring->last_context; struct i915_hw_context *from = ring->last_context;
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
u32 hw_flags = 0; u32 hw_flags = 0;
int ret, i; int ret, i;
BUG_ON(from != NULL && from->obj != NULL && from->obj->pin_count == 0); if (from != NULL && ring == &dev_priv->ring[RCS]) {
BUG_ON(from->obj == NULL);
BUG_ON(!i915_gem_obj_is_pinned(from->obj));
}
if (from == to && !to->remap_slice) if (from == to && from->last_ring == ring && !to->remap_slice)
return 0; return 0;
ret = i915_gem_obj_ggtt_pin(to->obj, CONTEXT_ALIGN, false, false); /* Trying to pin first makes error handling easier. */
if (ret) if (ring == &dev_priv->ring[RCS]) {
return ret; ret = i915_gem_obj_ggtt_pin(to->obj,
get_context_alignment(ring->dev),
false, false);
if (ret)
return ret;
}
/* /*
* Pin can switch back to the default context if we end up calling into * Pin can switch back to the default context if we end up calling into
...@@ -426,6 +619,18 @@ static int do_switch(struct i915_hw_context *to) ...@@ -426,6 +619,18 @@ static int do_switch(struct i915_hw_context *to)
*/ */
from = ring->last_context; from = ring->last_context;
if (USES_FULL_PPGTT(ring->dev)) {
ret = ppgtt->switch_mm(ppgtt, ring, false);
if (ret)
goto unpin_out;
}
if (ring != &dev_priv->ring[RCS]) {
if (from)
i915_gem_context_unreference(from);
goto done;
}
/* /*
* Clear this page out of any CPU caches for coherent swap-in/out. Note * Clear this page out of any CPU caches for coherent swap-in/out. Note
* that thanks to write = false in this call and us not setting any gpu * that thanks to write = false in this call and us not setting any gpu
...@@ -435,22 +640,21 @@ static int do_switch(struct i915_hw_context *to) ...@@ -435,22 +640,21 @@ static int do_switch(struct i915_hw_context *to)
* XXX: We need a real interface to do this instead of trickery. * XXX: We need a real interface to do this instead of trickery.
*/ */
ret = i915_gem_object_set_to_gtt_domain(to->obj, false); ret = i915_gem_object_set_to_gtt_domain(to->obj, false);
if (ret) { if (ret)
i915_gem_object_unpin(to->obj); goto unpin_out;
return ret;
}
if (!to->obj->has_global_gtt_mapping) if (!to->obj->has_global_gtt_mapping) {
i915_gem_gtt_bind_object(to->obj, to->obj->cache_level); struct i915_vma *vma = i915_gem_obj_to_vma(to->obj,
&dev_priv->gtt.base);
vma->bind_vma(vma, to->obj->cache_level, GLOBAL_BIND);
}
if (!to->is_initialized || is_default_context(to)) if (!to->is_initialized || is_default_context(to))
hw_flags |= MI_RESTORE_INHIBIT; hw_flags |= MI_RESTORE_INHIBIT;
ret = mi_set_context(ring, to, hw_flags); ret = mi_set_context(ring, to, hw_flags);
if (ret) { if (ret)
i915_gem_object_unpin(to->obj); goto unpin_out;
return ret;
}
for (i = 0; i < MAX_L3_SLICES; i++) { for (i = 0; i < MAX_L3_SLICES; i++) {
if (!(to->remap_slice & (1<<i))) if (!(to->remap_slice & (1<<i)))
...@@ -484,15 +688,23 @@ static int do_switch(struct i915_hw_context *to) ...@@ -484,15 +688,23 @@ static int do_switch(struct i915_hw_context *to)
BUG_ON(from->obj->ring != ring); BUG_ON(from->obj->ring != ring);
/* obj is kept alive until the next request by its active ref */ /* obj is kept alive until the next request by its active ref */
i915_gem_object_unpin(from->obj); i915_gem_object_ggtt_unpin(from->obj);
i915_gem_context_unreference(from); i915_gem_context_unreference(from);
} }
to->is_initialized = true;
done:
i915_gem_context_reference(to); i915_gem_context_reference(to);
ring->last_context = to; ring->last_context = to;
to->is_initialized = true; to->last_ring = ring;
return 0; return 0;
unpin_out:
if (ring->id == RCS)
i915_gem_object_ggtt_unpin(to->obj);
return ret;
} }
/** /**
...@@ -508,31 +720,19 @@ static int do_switch(struct i915_hw_context *to) ...@@ -508,31 +720,19 @@ static int do_switch(struct i915_hw_context *to)
*/ */
int i915_switch_context(struct intel_ring_buffer *ring, int i915_switch_context(struct intel_ring_buffer *ring,
struct drm_file *file, struct drm_file *file,
int to_id) struct i915_hw_context *to)
{ {
struct drm_i915_private *dev_priv = ring->dev->dev_private; struct drm_i915_private *dev_priv = ring->dev->dev_private;
struct i915_hw_context *to;
if (!HAS_HW_CONTEXTS(ring->dev))
return 0;
WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex)); WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
if (ring != &dev_priv->ring[RCS]) BUG_ON(file && to == NULL);
return 0;
if (to_id == DEFAULT_CONTEXT_ID) {
to = ring->default_context;
} else {
if (file == NULL)
return -EINVAL;
to = i915_gem_context_get(file->driver_priv, to_id); /* We have the fake context, but don't supports switching. */
if (to == NULL) if (!HAS_HW_CONTEXTS(ring->dev))
return -ENOENT; return 0;
}
return do_switch(to); return do_switch(ring, to);
} }
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
...@@ -553,7 +753,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, ...@@ -553,7 +753,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
if (ret) if (ret)
return ret; return ret;
ctx = create_hw_context(dev, file_priv); ctx = i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
if (IS_ERR(ctx)) if (IS_ERR(ctx))
return PTR_ERR(ctx); return PTR_ERR(ctx);
...@@ -575,14 +775,17 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data, ...@@ -575,14 +775,17 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
if (!(dev->driver->driver_features & DRIVER_GEM)) if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV; return -ENODEV;
if (args->ctx_id == DEFAULT_CONTEXT_ID)
return -ENOENT;
ret = i915_mutex_lock_interruptible(dev); ret = i915_mutex_lock_interruptible(dev);
if (ret) if (ret)
return ret; return ret;
ctx = i915_gem_context_get(file_priv, args->ctx_id); ctx = i915_gem_context_get(file_priv, args->ctx_id);
if (!ctx) { if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
return -ENOENT; return PTR_ERR(ctx);
} }
idr_remove(&ctx->file_priv->context_idr, ctx->id); idr_remove(&ctx->file_priv->context_idr, ctx->id);
......
drivers/gpu/drm/i915/i915_gem_evict.c
View file @ 0e5539b9
...@@ -36,7 +36,8 @@ ...@@ -36,7 +36,8 @@
static bool static bool
mark_free(struct i915_vma *vma, struct list_head *unwind) mark_free(struct i915_vma *vma, struct list_head *unwind)
{ {
if (vma->obj->pin_count) /* Freeing up memory requires no VMAs are pinned */
if (i915_gem_obj_is_pinned(vma->obj))
return false; return false;
if (WARN_ON(!list_empty(&vma->exec_list))) if (WARN_ON(!list_empty(&vma->exec_list)))
...@@ -207,7 +208,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle) ...@@ -207,7 +208,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
} }
list_for_each_entry_safe(vma, next, &vm->inactive_list, mm_list) list_for_each_entry_safe(vma, next, &vm->inactive_list, mm_list)
if (vma->obj->pin_count == 0) if (vma->pin_count == 0)
WARN_ON(i915_vma_unbind(vma)); WARN_ON(i915_vma_unbind(vma));
return 0; return 0;
......
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View file @ 0e5539b9
...@@ -91,6 +91,7 @@ eb_lookup_vmas(struct eb_vmas *eb, ...@@ -91,6 +91,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
struct i915_address_space *vm, struct i915_address_space *vm,
struct drm_file *file) struct drm_file *file)
{ {
struct drm_i915_private *dev_priv = vm->dev->dev_private;
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
struct list_head objects; struct list_head objects;
int i, ret; int i, ret;
...@@ -125,6 +126,20 @@ eb_lookup_vmas(struct eb_vmas *eb, ...@@ -125,6 +126,20 @@ eb_lookup_vmas(struct eb_vmas *eb,
i = 0; i = 0;
while (!list_empty(&objects)) { while (!list_empty(&objects)) {
struct i915_vma *vma; struct i915_vma *vma;
struct i915_address_space *bind_vm = vm;
if (exec[i].flags & EXEC_OBJECT_NEEDS_GTT &&
USES_FULL_PPGTT(vm->dev)) {
ret = -EINVAL;
goto out;
}
/* If we have secure dispatch, or the userspace assures us that
* they know what they're doing, use the GGTT VM.
*/
if (((args->flags & I915_EXEC_SECURE) &&
(i == (args->buffer_count - 1))))
bind_vm = &dev_priv->gtt.base;
obj = list_first_entry(&objects, obj = list_first_entry(&objects,
struct drm_i915_gem_object, struct drm_i915_gem_object,
...@@ -138,7 +153,7 @@ eb_lookup_vmas(struct eb_vmas *eb, ...@@ -138,7 +153,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
* from the (obj, vm) we don't run the risk of creating * from the (obj, vm) we don't run the risk of creating
* duplicated vmas for the same vm. * duplicated vmas for the same vm.
*/ */
vma = i915_gem_obj_lookup_or_create_vma(obj, vm); vma = i915_gem_obj_lookup_or_create_vma(obj, bind_vm);
if (IS_ERR(vma)) { if (IS_ERR(vma)) {
DRM_DEBUG("Failed to lookup VMA\n"); DRM_DEBUG("Failed to lookup VMA\n");
ret = PTR_ERR(vma); ret = PTR_ERR(vma);
...@@ -217,7 +232,7 @@ i915_gem_execbuffer_unreserve_vma(struct i915_vma *vma) ...@@ -217,7 +232,7 @@ i915_gem_execbuffer_unreserve_vma(struct i915_vma *vma)
i915_gem_object_unpin_fence(obj); i915_gem_object_unpin_fence(obj);
if (entry->flags & __EXEC_OBJECT_HAS_PIN) if (entry->flags & __EXEC_OBJECT_HAS_PIN)
i915_gem_object_unpin(obj); vma->pin_count--;
entry->flags &= ~(__EXEC_OBJECT_HAS_FENCE | __EXEC_OBJECT_HAS_PIN); entry->flags &= ~(__EXEC_OBJECT_HAS_FENCE | __EXEC_OBJECT_HAS_PIN);
} }
...@@ -327,8 +342,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj, ...@@ -327,8 +342,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
static int static int
i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
struct eb_vmas *eb, struct eb_vmas *eb,
struct drm_i915_gem_relocation_entry *reloc, struct drm_i915_gem_relocation_entry *reloc)
struct i915_address_space *vm)
{ {
struct drm_device *dev = obj->base.dev; struct drm_device *dev = obj->base.dev;
struct drm_gem_object *target_obj; struct drm_gem_object *target_obj;
...@@ -352,8 +366,10 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, ...@@ -352,8 +366,10 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
if (unlikely(IS_GEN6(dev) && if (unlikely(IS_GEN6(dev) &&
reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION && reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION &&
!target_i915_obj->has_global_gtt_mapping)) { !target_i915_obj->has_global_gtt_mapping)) {
i915_gem_gtt_bind_object(target_i915_obj, struct i915_vma *vma =
target_i915_obj->cache_level); list_first_entry(&target_i915_obj->vma_list,
typeof(*vma), vma_link);
vma->bind_vma(vma, target_i915_obj->cache_level, GLOBAL_BIND);
} }
/* Validate that the target is in a valid r/w GPU domain */ /* Validate that the target is in a valid r/w GPU domain */
...@@ -451,8 +467,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma, ...@@ -451,8 +467,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma,
do { do {
u64 offset = r->presumed_offset; u64 offset = r->presumed_offset;
ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r, ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r);
vma->vm);
if (ret) if (ret)
return ret; return ret;
...@@ -481,8 +496,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma, ...@@ -481,8 +496,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma,
int i, ret; int i, ret;
for (i = 0; i < entry->relocation_count; i++) { for (i = 0; i < entry->relocation_count; i++) {
ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i], ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i]);
vma->vm);
if (ret) if (ret)
return ret; return ret;
} }
...@@ -527,11 +541,12 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma, ...@@ -527,11 +541,12 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
struct intel_ring_buffer *ring, struct intel_ring_buffer *ring,
bool *need_reloc) bool *need_reloc)
{ {
struct drm_i915_private *dev_priv = ring->dev->dev_private; struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry; struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4; bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
bool need_fence, need_mappable; bool need_fence, need_mappable;
struct drm_i915_gem_object *obj = vma->obj; u32 flags = (entry->flags & EXEC_OBJECT_NEEDS_GTT) &&
!vma->obj->has_global_gtt_mapping ? GLOBAL_BIND : 0;
int ret; int ret;
need_fence = need_fence =
...@@ -560,14 +575,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma, ...@@ -560,14 +575,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
} }
} }
/* Ensure ppgtt mapping exists if needed */
if (dev_priv->mm.aliasing_ppgtt && !obj->has_aliasing_ppgtt_mapping) {
i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
obj, obj->cache_level);
obj->has_aliasing_ppgtt_mapping = 1;
}
if (entry->offset != vma->node.start) { if (entry->offset != vma->node.start) {
entry->offset = vma->node.start; entry->offset = vma->node.start;
*need_reloc = true; *need_reloc = true;
...@@ -578,9 +585,7 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma, ...@@ -578,9 +585,7 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
obj->base.pending_write_domain = I915_GEM_DOMAIN_RENDER; obj->base.pending_write_domain = I915_GEM_DOMAIN_RENDER;
} }
if (entry->flags & EXEC_OBJECT_NEEDS_GTT && vma->bind_vma(vma, obj->cache_level, flags);
!obj->has_global_gtt_mapping)
i915_gem_gtt_bind_object(obj, obj->cache_level);
return 0; return 0;
} }
...@@ -900,22 +905,27 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec, ...@@ -900,22 +905,27 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
return 0; return 0;
} }
static int static struct i915_hw_context *
i915_gem_validate_context(struct drm_device *dev, struct drm_file *file, i915_gem_validate_context(struct drm_device *dev, struct drm_file *file,
const u32 ctx_id) struct intel_ring_buffer *ring, const u32 ctx_id)
{ {
struct i915_hw_context *ctx = NULL;
struct i915_ctx_hang_stats *hs; struct i915_ctx_hang_stats *hs;
hs = i915_gem_context_get_hang_stats(dev, file, ctx_id); if (ring->id != RCS && ctx_id != DEFAULT_CONTEXT_ID)
if (IS_ERR(hs)) return ERR_PTR(-EINVAL);
return PTR_ERR(hs);
ctx = i915_gem_context_get(file->driver_priv, ctx_id);
if (IS_ERR(ctx))
return ctx;
hs = &ctx->hang_stats;
if (hs->banned) { if (hs->banned) {
DRM_DEBUG("Context %u tried to submit while banned\n", ctx_id); DRM_DEBUG("Context %u tried to submit while banned\n", ctx_id);
return -EIO; return ERR_PTR(-EIO);
} }
return 0; return ctx;
} }
static void static void
...@@ -939,7 +949,9 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas, ...@@ -939,7 +949,9 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas,
if (obj->base.write_domain) { if (obj->base.write_domain) {
obj->dirty = 1; obj->dirty = 1;
obj->last_write_seqno = intel_ring_get_seqno(ring); obj->last_write_seqno = intel_ring_get_seqno(ring);
if (obj->pin_count) /* check for potential scanout */ /* check for potential scanout */
if (i915_gem_obj_ggtt_bound(obj) &&
i915_gem_obj_to_ggtt(obj)->pin_count)
intel_mark_fb_busy(obj, ring); intel_mark_fb_busy(obj, ring);
} }
...@@ -989,16 +1001,17 @@ static int ...@@ -989,16 +1001,17 @@ static int
i915_gem_do_execbuffer(struct drm_device *dev, void *data, i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file, struct drm_file *file,
struct drm_i915_gem_execbuffer2 *args, struct drm_i915_gem_execbuffer2 *args,
struct drm_i915_gem_exec_object2 *exec, struct drm_i915_gem_exec_object2 *exec)
struct i915_address_space *vm)
{ {
drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_private_t *dev_priv = dev->dev_private;
struct eb_vmas *eb; struct eb_vmas *eb;
struct drm_i915_gem_object *batch_obj; struct drm_i915_gem_object *batch_obj;
struct drm_clip_rect *cliprects = NULL; struct drm_clip_rect *cliprects = NULL;
struct intel_ring_buffer *ring; struct intel_ring_buffer *ring;
struct i915_hw_context *ctx;
struct i915_address_space *vm;
const u32 ctx_id = i915_execbuffer2_get_context_id(*args); const u32 ctx_id = i915_execbuffer2_get_context_id(*args);
u32 exec_start, exec_len; u32 exec_start = args->batch_start_offset, exec_len;
u32 mask, flags; u32 mask, flags;
int ret, mode, i; int ret, mode, i;
bool need_relocs; bool need_relocs;
...@@ -1020,41 +1033,17 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, ...@@ -1020,41 +1033,17 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (args->flags & I915_EXEC_IS_PINNED) if (args->flags & I915_EXEC_IS_PINNED)
flags |= I915_DISPATCH_PINNED; flags |= I915_DISPATCH_PINNED;
switch (args->flags & I915_EXEC_RING_MASK) { if ((args->flags & I915_EXEC_RING_MASK) > I915_NUM_RINGS) {
case I915_EXEC_DEFAULT:
case I915_EXEC_RENDER:
ring = &dev_priv->ring[RCS];
break;
case I915_EXEC_BSD:
ring = &dev_priv->ring[VCS];
if (ctx_id != DEFAULT_CONTEXT_ID) {
DRM_DEBUG("Ring %s doesn't support contexts\n",
ring->name);
return -EPERM;
}
break;
case I915_EXEC_BLT:
ring = &dev_priv->ring[BCS];
if (ctx_id != DEFAULT_CONTEXT_ID) {
DRM_DEBUG("Ring %s doesn't support contexts\n",
ring->name);
return -EPERM;
}
break;
case I915_EXEC_VEBOX:
ring = &dev_priv->ring[VECS];
if (ctx_id != DEFAULT_CONTEXT_ID) {
DRM_DEBUG("Ring %s doesn't support contexts\n",
ring->name);
return -EPERM;
}
break;
default:
DRM_DEBUG("execbuf with unknown ring: %d\n", DRM_DEBUG("execbuf with unknown ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK)); (int)(args->flags & I915_EXEC_RING_MASK));
return -EINVAL; return -EINVAL;
} }
if ((args->flags & I915_EXEC_RING_MASK) == I915_EXEC_DEFAULT)
ring = &dev_priv->ring[RCS];
else
ring = &dev_priv->ring[(args->flags & I915_EXEC_RING_MASK) - 1];
if (!intel_ring_initialized(ring)) { if (!intel_ring_initialized(ring)) {
DRM_DEBUG("execbuf with invalid ring: %d\n", DRM_DEBUG("execbuf with invalid ring: %d\n",
(int)(args->flags & I915_EXEC_RING_MASK)); (int)(args->flags & I915_EXEC_RING_MASK));
...@@ -1136,11 +1125,18 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, ...@@ -1136,11 +1125,18 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto pre_mutex_err; goto pre_mutex_err;
} }
ret = i915_gem_validate_context(dev, file, ctx_id); ctx = i915_gem_validate_context(dev, file, ring, ctx_id);
if (ret) { if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
ret = PTR_ERR(ctx);
goto pre_mutex_err; goto pre_mutex_err;
} }
i915_gem_context_reference(ctx);
vm = ctx->vm;
if (!USES_FULL_PPGTT(dev))
vm = &dev_priv->gtt.base;
eb = eb_create(args); eb = eb_create(args);
if (eb == NULL) { if (eb == NULL) {
...@@ -1187,14 +1183,25 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, ...@@ -1187,14 +1183,25 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
/* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure /* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure
* batch" bit. Hence we need to pin secure batches into the global gtt. * batch" bit. Hence we need to pin secure batches into the global gtt.
* hsw should have this fixed, but bdw mucks it up again. */ * hsw should have this fixed, but bdw mucks it up again. */
if (flags & I915_DISPATCH_SECURE && !batch_obj->has_global_gtt_mapping) if (flags & I915_DISPATCH_SECURE &&
i915_gem_gtt_bind_object(batch_obj, batch_obj->cache_level); !batch_obj->has_global_gtt_mapping) {
/* When we have multiple VMs, we'll need to make sure that we
* allocate space first */
struct i915_vma *vma = i915_gem_obj_to_ggtt(batch_obj);
BUG_ON(!vma);
vma->bind_vma(vma, batch_obj->cache_level, GLOBAL_BIND);
}
if (flags & I915_DISPATCH_SECURE)
exec_start += i915_gem_obj_ggtt_offset(batch_obj);
else
exec_start += i915_gem_obj_offset(batch_obj, vm);
ret = i915_gem_execbuffer_move_to_gpu(ring, &eb->vmas); ret = i915_gem_execbuffer_move_to_gpu(ring, &eb->vmas);
if (ret) if (ret)
goto err; goto err;
ret = i915_switch_context(ring, file, ctx_id); ret = i915_switch_context(ring, file, ctx);
if (ret) if (ret)
goto err; goto err;
...@@ -1219,8 +1226,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, ...@@ -1219,8 +1226,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto err; goto err;
} }
exec_start = i915_gem_obj_offset(batch_obj, vm) +
args->batch_start_offset;
exec_len = args->batch_len; exec_len = args->batch_len;
if (cliprects) { if (cliprects) {
for (i = 0; i < args->num_cliprects; i++) { for (i = 0; i < args->num_cliprects; i++) {
...@@ -1249,6 +1255,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, ...@@ -1249,6 +1255,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
i915_gem_execbuffer_retire_commands(dev, file, ring, batch_obj); i915_gem_execbuffer_retire_commands(dev, file, ring, batch_obj);
err: err:
/* the request owns the ref now */
i915_gem_context_unreference(ctx);
eb_destroy(eb); eb_destroy(eb);
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
...@@ -1270,7 +1278,6 @@ int ...@@ -1270,7 +1278,6 @@ int
i915_gem_execbuffer(struct drm_device *dev, void *data, i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file) struct drm_file *file)
{ {
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_execbuffer *args = data; struct drm_i915_gem_execbuffer *args = data;
struct drm_i915_gem_execbuffer2 exec2; struct drm_i915_gem_execbuffer2 exec2;
struct drm_i915_gem_exec_object *exec_list = NULL; struct drm_i915_gem_exec_object *exec_list = NULL;
...@@ -1326,8 +1333,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, ...@@ -1326,8 +1333,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
exec2.flags = I915_EXEC_RENDER; exec2.flags = I915_EXEC_RENDER;
i915_execbuffer2_set_context_id(exec2, 0); i915_execbuffer2_set_context_id(exec2, 0);
ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list, ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list);
&dev_priv->gtt.base);
if (!ret) { if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */ /* Copy the new buffer offsets back to the user's exec list. */
for (i = 0; i < args->buffer_count; i++) for (i = 0; i < args->buffer_count; i++)
...@@ -1353,7 +1359,6 @@ int ...@@ -1353,7 +1359,6 @@ int
i915_gem_execbuffer2(struct drm_device *dev, void *data, i915_gem_execbuffer2(struct drm_device *dev, void *data,
struct drm_file *file) struct drm_file *file)
{ {
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_execbuffer2 *args = data; struct drm_i915_gem_execbuffer2 *args = data;
struct drm_i915_gem_exec_object2 *exec2_list = NULL; struct drm_i915_gem_exec_object2 *exec2_list = NULL;
int ret; int ret;
...@@ -1384,8 +1389,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, ...@@ -1384,8 +1389,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
return -EFAULT; return -EFAULT;
} }
ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list, ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list);
&dev_priv->gtt.base);
if (!ret) { if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */ /* Copy the new buffer offsets back to the user's exec list. */
ret = copy_to_user(to_user_ptr(args->buffers_ptr), ret = copy_to_user(to_user_ptr(args->buffers_ptr),
......
drivers/gpu/drm/i915/i915_gem_gtt.c
View file @ 0e5539b9
...@@ -22,6 +22,7 @@ ...@@ -22,6 +22,7 @@
* *
*/ */
#include <linux/seq_file.h>
#include <drm/drmP.h> #include <drm/drmP.h>
#include <drm/i915_drm.h> #include <drm/i915_drm.h>
#include "i915_drv.h" #include "i915_drv.h"
...@@ -70,6 +71,12 @@ typedef gen8_gtt_pte_t gen8_ppgtt_pde_t; ...@@ -70,6 +71,12 @@ typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
#define PPAT_CACHED_INDEX _PAGE_PAT /* WB LLCeLLC */ #define PPAT_CACHED_INDEX _PAGE_PAT /* WB LLCeLLC */
#define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */ #define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */
static void ppgtt_bind_vma(struct i915_vma *vma,
enum i915_cache_level cache_level,
u32 flags);
static void ppgtt_unbind_vma(struct i915_vma *vma);
static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt);
static inline gen8_gtt_pte_t gen8_pte_encode(dma_addr_t addr, static inline gen8_gtt_pte_t gen8_pte_encode(dma_addr_t addr,
enum i915_cache_level level, enum i915_cache_level level,
bool valid) bool valid)
...@@ -199,12 +206,19 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr, ...@@ -199,12 +206,19 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr,
/* Broadwell Page Directory Pointer Descriptors */ /* Broadwell Page Directory Pointer Descriptors */
static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry, static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry,
uint64_t val) uint64_t val, bool synchronous)
{ {
struct drm_i915_private *dev_priv = ring->dev->dev_private;
int ret; int ret;
BUG_ON(entry >= 4); BUG_ON(entry >= 4);
if (synchronous) {
I915_WRITE(GEN8_RING_PDP_UDW(ring, entry), val >> 32);
I915_WRITE(GEN8_RING_PDP_LDW(ring, entry), (u32)val);
return 0;
}
ret = intel_ring_begin(ring, 6); ret = intel_ring_begin(ring, 6);
if (ret) if (ret)
return ret; return ret;
...@@ -220,36 +234,23 @@ static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry, ...@@ -220,36 +234,23 @@ static int gen8_write_pdp(struct intel_ring_buffer *ring, unsigned entry,
return 0; return 0;
} }
static int gen8_ppgtt_enable(struct drm_device *dev) static int gen8_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; int i, ret;
struct intel_ring_buffer *ring;
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
int i, j, ret;
/* bit of a hack to find the actual last used pd */ /* bit of a hack to find the actual last used pd */
int used_pd = ppgtt->num_pd_entries / GEN8_PDES_PER_PAGE; int used_pd = ppgtt->num_pd_entries / GEN8_PDES_PER_PAGE;
for_each_ring(ring, dev_priv, j) {
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
}
for (i = used_pd - 1; i >= 0; i--) { for (i = used_pd - 1; i >= 0; i--) {
dma_addr_t addr = ppgtt->pd_dma_addr[i]; dma_addr_t addr = ppgtt->pd_dma_addr[i];
for_each_ring(ring, dev_priv, j) { ret = gen8_write_pdp(ring, i, addr, synchronous);
ret = gen8_write_pdp(ring, i, addr); if (ret)
if (ret) return ret;
goto err_out;
}
} }
return 0;
err_out: return 0;
for_each_ring(ring, dev_priv, j)
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_DISABLE(GFX_PPGTT_ENABLE));
return ret;
} }
static void gen8_ppgtt_clear_range(struct i915_address_space *vm, static void gen8_ppgtt_clear_range(struct i915_address_space *vm,
...@@ -324,6 +325,7 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm) ...@@ -324,6 +325,7 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
container_of(vm, struct i915_hw_ppgtt, base); container_of(vm, struct i915_hw_ppgtt, base);
int i, j; int i, j;
list_del(&vm->global_link);
drm_mm_takedown(&vm->mm); drm_mm_takedown(&vm->mm);
for (i = 0; i < ppgtt->num_pd_pages ; i++) { for (i = 0; i < ppgtt->num_pd_pages ; i++) {
...@@ -386,6 +388,7 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size) ...@@ -386,6 +388,7 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size)
ppgtt->num_pt_pages = 1 << get_order(num_pt_pages << PAGE_SHIFT); ppgtt->num_pt_pages = 1 << get_order(num_pt_pages << PAGE_SHIFT);
ppgtt->num_pd_entries = max_pdp * GEN8_PDES_PER_PAGE; ppgtt->num_pd_entries = max_pdp * GEN8_PDES_PER_PAGE;
ppgtt->enable = gen8_ppgtt_enable; ppgtt->enable = gen8_ppgtt_enable;
ppgtt->switch_mm = gen8_mm_switch;
ppgtt->base.clear_range = gen8_ppgtt_clear_range; ppgtt->base.clear_range = gen8_ppgtt_clear_range;
ppgtt->base.insert_entries = gen8_ppgtt_insert_entries; ppgtt->base.insert_entries = gen8_ppgtt_insert_entries;
ppgtt->base.cleanup = gen8_ppgtt_cleanup; ppgtt->base.cleanup = gen8_ppgtt_cleanup;
...@@ -458,6 +461,62 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size) ...@@ -458,6 +461,62 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size)
return ret; return ret;
} }
static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
{
struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
struct i915_address_space *vm = &ppgtt->base;
gen6_gtt_pte_t __iomem *pd_addr;
gen6_gtt_pte_t scratch_pte;
uint32_t pd_entry;
int pte, pde;
scratch_pte = vm->pte_encode(vm->scratch.addr, I915_CACHE_LLC, true);
pd_addr = (gen6_gtt_pte_t __iomem *)dev_priv->gtt.gsm +
ppgtt->pd_offset / sizeof(gen6_gtt_pte_t);
seq_printf(m, " VM %p (pd_offset %x-%x):\n", vm,
ppgtt->pd_offset, ppgtt->pd_offset + ppgtt->num_pd_entries);
for (pde = 0; pde < ppgtt->num_pd_entries; pde++) {
u32 expected;
gen6_gtt_pte_t *pt_vaddr;
dma_addr_t pt_addr = ppgtt->pt_dma_addr[pde];
pd_entry = readl(pd_addr + pde);
expected = (GEN6_PDE_ADDR_ENCODE(pt_addr) | GEN6_PDE_VALID);
if (pd_entry != expected)
seq_printf(m, "\tPDE #%d mismatch: Actual PDE: %x Expected PDE: %x\n",
pde,
pd_entry,
expected);
seq_printf(m, "\tPDE: %x\n", pd_entry);
pt_vaddr = kmap_atomic(ppgtt->pt_pages[pde]);
for (pte = 0; pte < I915_PPGTT_PT_ENTRIES; pte+=4) {
unsigned long va =
(pde * PAGE_SIZE * I915_PPGTT_PT_ENTRIES) +
(pte * PAGE_SIZE);
int i;
bool found = false;
for (i = 0; i < 4; i++)
if (pt_vaddr[pte + i] != scratch_pte)
found = true;
if (!found)
continue;
seq_printf(m, "\t\t0x%lx [%03d,%04d]: =", va, pde, pte);
for (i = 0; i < 4; i++) {
if (pt_vaddr[pte + i] != scratch_pte)
seq_printf(m, " %08x", pt_vaddr[pte + i]);
else
seq_puts(m, " SCRATCH ");
}
seq_puts(m, "\n");
}
kunmap_atomic(pt_vaddr);
}
}
static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt) static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
{ {
struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private; struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
...@@ -480,61 +539,221 @@ static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt) ...@@ -480,61 +539,221 @@ static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
readl(pd_addr); readl(pd_addr);
} }
static int gen6_ppgtt_enable(struct drm_device *dev) static uint32_t get_pd_offset(struct i915_hw_ppgtt *ppgtt)
{ {
drm_i915_private_t *dev_priv = dev->dev_private; BUG_ON(ppgtt->pd_offset & 0x3f);
uint32_t pd_offset;
return (ppgtt->pd_offset / 64) << 16;
}
static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
/* If we're in reset, we can assume the GPU is sufficiently idle to
* manually frob these bits. Ideally we could use the ring functions,
* except our error handling makes it quite difficult (can't use
* intel_ring_begin, ring->flush, or intel_ring_advance)
*
* FIXME: We should try not to special case reset
*/
if (synchronous ||
i915_reset_in_progress(&dev_priv->gpu_error)) {
WARN_ON(ppgtt != dev_priv->mm.aliasing_ppgtt);
I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
POSTING_READ(RING_PP_DIR_BASE(ring));
return 0;
}
/* NB: TLBs must be flushed and invalidated before a switch */
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
if (ret)
return ret;
ret = intel_ring_begin(ring, 6);
if (ret)
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
intel_ring_emit(ring, PP_DIR_DCLV_2G);
intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
intel_ring_emit(ring, get_pd_offset(ppgtt));
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}
static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
/* If we're in reset, we can assume the GPU is sufficiently idle to
* manually frob these bits. Ideally we could use the ring functions,
* except our error handling makes it quite difficult (can't use
* intel_ring_begin, ring->flush, or intel_ring_advance)
*
* FIXME: We should try not to special case reset
*/
if (synchronous ||
i915_reset_in_progress(&dev_priv->gpu_error)) {
WARN_ON(ppgtt != dev_priv->mm.aliasing_ppgtt);
I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
POSTING_READ(RING_PP_DIR_BASE(ring));
return 0;
}
/* NB: TLBs must be flushed and invalidated before a switch */
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
if (ret)
return ret;
ret = intel_ring_begin(ring, 6);
if (ret)
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
intel_ring_emit(ring, RING_PP_DIR_DCLV(ring));
intel_ring_emit(ring, PP_DIR_DCLV_2G);
intel_ring_emit(ring, RING_PP_DIR_BASE(ring));
intel_ring_emit(ring, get_pd_offset(ppgtt));
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
/* XXX: RCS is the only one to auto invalidate the TLBs? */
if (ring->id != RCS) {
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
if (ret)
return ret;
}
return 0;
}
static int gen6_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
if (!synchronous)
return 0;
I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
POSTING_READ(RING_PP_DIR_DCLV(ring));
return 0;
}
static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring; struct intel_ring_buffer *ring;
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; int j, ret;
int i;
BUG_ON(ppgtt->pd_offset & 0x3f); for_each_ring(ring, dev_priv, j) {
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
gen6_write_pdes(ppgtt); /* We promise to do a switch later with FULL PPGTT. If this is
* aliasing, this is the one and only switch we'll do */
if (USES_FULL_PPGTT(dev))
continue;
pd_offset = ppgtt->pd_offset; ret = ppgtt->switch_mm(ppgtt, ring, true);
pd_offset /= 64; /* in cachelines, */ if (ret)
pd_offset <<= 16; goto err_out;
}
if (INTEL_INFO(dev)->gen == 6) { return 0;
uint32_t ecochk, gab_ctl, ecobits;
ecobits = I915_READ(GAC_ECO_BITS); err_out:
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT | for_each_ring(ring, dev_priv, j)
ECOBITS_PPGTT_CACHE64B); I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_DISABLE(GFX_PPGTT_ENABLE));
return ret;
}
gab_ctl = I915_READ(GAB_CTL); static int gen7_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT); {
struct drm_device *dev = ppgtt->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
uint32_t ecochk, ecobits;
int i;
ecochk = I915_READ(GAM_ECOCHK); ecobits = I915_READ(GAC_ECO_BITS);
I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
ECOCHK_PPGTT_CACHE64B);
I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
} else if (INTEL_INFO(dev)->gen >= 7) {
uint32_t ecochk, ecobits;
ecobits = I915_READ(GAC_ECO_BITS); ecochk = I915_READ(GAM_ECOCHK);
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B); if (IS_HASWELL(dev)) {
ecochk |= ECOCHK_PPGTT_WB_HSW;
} else {
ecochk |= ECOCHK_PPGTT_LLC_IVB;
ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
}
I915_WRITE(GAM_ECOCHK, ecochk);
ecochk = I915_READ(GAM_ECOCHK); for_each_ring(ring, dev_priv, i) {
if (IS_HASWELL(dev)) { int ret;
ecochk |= ECOCHK_PPGTT_WB_HSW;
} else {
ecochk |= ECOCHK_PPGTT_LLC_IVB;
ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
}
I915_WRITE(GAM_ECOCHK, ecochk);
/* GFX_MODE is per-ring on gen7+ */ /* GFX_MODE is per-ring on gen7+ */
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
/* We promise to do a switch later with FULL PPGTT. If this is
* aliasing, this is the one and only switch we'll do */
if (USES_FULL_PPGTT(dev))
continue;
ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret)
return ret;
} }
for_each_ring(ring, dev_priv, i) { return 0;
if (INTEL_INFO(dev)->gen >= 7) }
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G); static int gen6_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
I915_WRITE(RING_PP_DIR_BASE(ring), pd_offset); {
struct drm_device *dev = ppgtt->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
uint32_t ecochk, gab_ctl, ecobits;
int i;
ecobits = I915_READ(GAC_ECO_BITS);
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
ECOBITS_PPGTT_CACHE64B);
gab_ctl = I915_READ(GAB_CTL);
I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
ecochk = I915_READ(GAM_ECOCHK);
I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
for_each_ring(ring, dev_priv, i) {
int ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret)
return ret;
} }
return 0; return 0;
} }
...@@ -608,7 +827,9 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm) ...@@ -608,7 +827,9 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
container_of(vm, struct i915_hw_ppgtt, base); container_of(vm, struct i915_hw_ppgtt, base);
int i; int i;
list_del(&vm->global_link);
drm_mm_takedown(&ppgtt->base.mm); drm_mm_takedown(&ppgtt->base.mm);
drm_mm_remove_node(&ppgtt->node);
if (ppgtt->pt_dma_addr) { if (ppgtt->pt_dma_addr) {
for (i = 0; i < ppgtt->num_pd_entries; i++) for (i = 0; i < ppgtt->num_pd_entries; i++)
...@@ -626,20 +847,51 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm) ...@@ -626,20 +847,51 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
{ {
#define GEN6_PD_ALIGN (PAGE_SIZE * 16)
#define GEN6_PD_SIZE (GEN6_PPGTT_PD_ENTRIES * PAGE_SIZE)
struct drm_device *dev = ppgtt->base.dev; struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
unsigned first_pd_entry_in_global_pt; bool retried = false;
int i; int i, ret;
int ret = -ENOMEM;
/* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024 /* PPGTT PDEs reside in the GGTT and consists of 512 entries. The
* entries. For aliasing ppgtt support we just steal them at the end for * allocator works in address space sizes, so it's multiplied by page
* now. */ * size. We allocate at the top of the GTT to avoid fragmentation.
first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt); */
BUG_ON(!drm_mm_initialized(&dev_priv->gtt.base.mm));
alloc:
ret = drm_mm_insert_node_in_range_generic(&dev_priv->gtt.base.mm,
&ppgtt->node, GEN6_PD_SIZE,
GEN6_PD_ALIGN, 0,
0, dev_priv->gtt.base.total,
DRM_MM_SEARCH_DEFAULT);
if (ret == -ENOSPC && !retried) {
ret = i915_gem_evict_something(dev, &dev_priv->gtt.base,
GEN6_PD_SIZE, GEN6_PD_ALIGN,
I915_CACHE_NONE, false, true);
if (ret)
return ret;
retried = true;
goto alloc;
}
if (ppgtt->node.start < dev_priv->gtt.mappable_end)
DRM_DEBUG("Forced to use aperture for PDEs\n");
ppgtt->base.pte_encode = dev_priv->gtt.base.pte_encode; ppgtt->base.pte_encode = dev_priv->gtt.base.pte_encode;
ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES; ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES;
ppgtt->enable = gen6_ppgtt_enable; if (IS_GEN6(dev)) {
ppgtt->enable = gen6_ppgtt_enable;
ppgtt->switch_mm = gen6_mm_switch;
} else if (IS_HASWELL(dev)) {
ppgtt->enable = gen7_ppgtt_enable;
ppgtt->switch_mm = hsw_mm_switch;
} else if (IS_GEN7(dev)) {
ppgtt->enable = gen7_ppgtt_enable;
ppgtt->switch_mm = gen7_mm_switch;
} else
BUG();
ppgtt->base.clear_range = gen6_ppgtt_clear_range; ppgtt->base.clear_range = gen6_ppgtt_clear_range;
ppgtt->base.insert_entries = gen6_ppgtt_insert_entries; ppgtt->base.insert_entries = gen6_ppgtt_insert_entries;
ppgtt->base.cleanup = gen6_ppgtt_cleanup; ppgtt->base.cleanup = gen6_ppgtt_cleanup;
...@@ -648,8 +900,10 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) ...@@ -648,8 +900,10 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->base.total = GEN6_PPGTT_PD_ENTRIES * I915_PPGTT_PT_ENTRIES * PAGE_SIZE; ppgtt->base.total = GEN6_PPGTT_PD_ENTRIES * I915_PPGTT_PT_ENTRIES * PAGE_SIZE;
ppgtt->pt_pages = kcalloc(ppgtt->num_pd_entries, sizeof(struct page *), ppgtt->pt_pages = kcalloc(ppgtt->num_pd_entries, sizeof(struct page *),
GFP_KERNEL); GFP_KERNEL);
if (!ppgtt->pt_pages) if (!ppgtt->pt_pages) {
drm_mm_remove_node(&ppgtt->node);
return -ENOMEM; return -ENOMEM;
}
for (i = 0; i < ppgtt->num_pd_entries; i++) { for (i = 0; i < ppgtt->num_pd_entries; i++) {
ppgtt->pt_pages[i] = alloc_page(GFP_KERNEL); ppgtt->pt_pages[i] = alloc_page(GFP_KERNEL);
...@@ -678,8 +932,13 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) ...@@ -678,8 +932,13 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.clear_range(&ppgtt->base, 0,
ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES, true); ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES, true);
ppgtt->debug_dump = gen6_dump_ppgtt;
ppgtt->pd_offset = first_pd_entry_in_global_pt * sizeof(gen6_gtt_pte_t); DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
ppgtt->node.size >> 20,
ppgtt->node.start / PAGE_SIZE);
ppgtt->pd_offset =
ppgtt->node.start / PAGE_SIZE * sizeof(gen6_gtt_pte_t);
return 0; return 0;
...@@ -696,19 +955,15 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) ...@@ -696,19 +955,15 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
__free_page(ppgtt->pt_pages[i]); __free_page(ppgtt->pt_pages[i]);
} }
kfree(ppgtt->pt_pages); kfree(ppgtt->pt_pages);
drm_mm_remove_node(&ppgtt->node);
return ret; return ret;
} }
static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_ppgtt *ppgtt; int ret = 0;
int ret;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return -ENOMEM;
ppgtt->base.dev = dev; ppgtt->base.dev = dev;
...@@ -719,45 +974,42 @@ static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) ...@@ -719,45 +974,42 @@ static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
else else
BUG(); BUG();
if (ret) if (!ret) {
kfree(ppgtt); struct drm_i915_private *dev_priv = dev->dev_private;
else { kref_init(&ppgtt->ref);
dev_priv->mm.aliasing_ppgtt = ppgtt;
drm_mm_init(&ppgtt->base.mm, ppgtt->base.start, drm_mm_init(&ppgtt->base.mm, ppgtt->base.start,
ppgtt->base.total); ppgtt->base.total);
i915_init_vm(dev_priv, &ppgtt->base);
if (INTEL_INFO(dev)->gen < 8) {
gen6_write_pdes(ppgtt);
DRM_DEBUG("Adding PPGTT at offset %x\n",
ppgtt->pd_offset << 10);
}
} }
return ret; return ret;
} }
void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev) static void
ppgtt_bind_vma(struct i915_vma *vma,
enum i915_cache_level cache_level,
u32 flags)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; const unsigned long entry = vma->node.start >> PAGE_SHIFT;
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
if (!ppgtt) WARN_ON(flags);
return;
ppgtt->base.cleanup(&ppgtt->base); vma->vm->insert_entries(vma->vm, vma->obj->pages, entry, cache_level);
dev_priv->mm.aliasing_ppgtt = NULL;
} }
void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt, static void ppgtt_unbind_vma(struct i915_vma *vma)
struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level)
{ {
ppgtt->base.insert_entries(&ppgtt->base, obj->pages, const unsigned long entry = vma->node.start >> PAGE_SHIFT;
i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
cache_level);
}
void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt, vma->vm->clear_range(vma->vm,
struct drm_i915_gem_object *obj) entry,
{ vma->obj->base.size >> PAGE_SHIFT,
ppgtt->base.clear_range(&ppgtt->base, true);
i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
obj->base.size >> PAGE_SHIFT,
true);
} }
extern int intel_iommu_gfx_mapped; extern int intel_iommu_gfx_mapped;
...@@ -849,6 +1101,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) ...@@ -849,6 +1101,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
struct i915_address_space *vm;
i915_check_and_clear_faults(dev); i915_check_and_clear_faults(dev);
...@@ -859,8 +1112,33 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) ...@@ -859,8 +1112,33 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
true); true);
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
struct i915_vma *vma = i915_gem_obj_to_vma(obj,
&dev_priv->gtt.base);
if (!vma)
continue;
i915_gem_clflush_object(obj, obj->pin_display); i915_gem_clflush_object(obj, obj->pin_display);
i915_gem_gtt_bind_object(obj, obj->cache_level); /* The bind_vma code tries to be smart about tracking mappings.
* Unfortunately above, we've just wiped out the mappings
* without telling our object about it. So we need to fake it.
*/
obj->has_global_gtt_mapping = 0;
vma->bind_vma(vma, obj->cache_level, GLOBAL_BIND);
}
if (INTEL_INFO(dev)->gen >= 8)
return;
list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
/* TODO: Perhaps it shouldn't be gen6 specific */
if (i915_is_ggtt(vm)) {
if (dev_priv->mm.aliasing_ppgtt)
gen6_write_pdes(dev_priv->mm.aliasing_ppgtt);
continue;
}
gen6_write_pdes(container_of(vm, struct i915_hw_ppgtt, base));
} }
i915_gem_chipset_flush(dev); i915_gem_chipset_flush(dev);
...@@ -1017,16 +1295,18 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm, ...@@ -1017,16 +1295,18 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
readl(gtt_base); readl(gtt_base);
} }
static void i915_ggtt_insert_entries(struct i915_address_space *vm,
struct sg_table *st, static void i915_ggtt_bind_vma(struct i915_vma *vma,
unsigned int pg_start, enum i915_cache_level cache_level,
enum i915_cache_level cache_level) u32 unused)
{ {
const unsigned long entry = vma->node.start >> PAGE_SHIFT;
unsigned int flags = (cache_level == I915_CACHE_NONE) ? unsigned int flags = (cache_level == I915_CACHE_NONE) ?
AGP_USER_MEMORY : AGP_USER_CACHED_MEMORY; AGP_USER_MEMORY : AGP_USER_CACHED_MEMORY;
intel_gtt_insert_sg_entries(st, pg_start, flags); BUG_ON(!i915_is_ggtt(vma->vm));
intel_gtt_insert_sg_entries(vma->obj->pages, entry, flags);
vma->obj->has_global_gtt_mapping = 1;
} }
static void i915_ggtt_clear_range(struct i915_address_space *vm, static void i915_ggtt_clear_range(struct i915_address_space *vm,
...@@ -1037,33 +1317,77 @@ static void i915_ggtt_clear_range(struct i915_address_space *vm, ...@@ -1037,33 +1317,77 @@ static void i915_ggtt_clear_range(struct i915_address_space *vm,
intel_gtt_clear_range(first_entry, num_entries); intel_gtt_clear_range(first_entry, num_entries);
} }
static void i915_ggtt_unbind_vma(struct i915_vma *vma)
{
const unsigned int first = vma->node.start >> PAGE_SHIFT;
const unsigned int size = vma->obj->base.size >> PAGE_SHIFT;
BUG_ON(!i915_is_ggtt(vma->vm));
vma->obj->has_global_gtt_mapping = 0;
intel_gtt_clear_range(first, size);
}
void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj, static void ggtt_bind_vma(struct i915_vma *vma,
enum i915_cache_level cache_level) enum i915_cache_level cache_level,
u32 flags)
{ {
struct drm_device *dev = obj->base.dev; struct drm_device *dev = vma->vm->dev;
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT; struct drm_i915_gem_object *obj = vma->obj;
const unsigned long entry = vma->node.start >> PAGE_SHIFT;
dev_priv->gtt.base.insert_entries(&dev_priv->gtt.base, obj->pages, /* If there is no aliasing PPGTT, or the caller needs a global mapping,
entry, * or we have a global mapping already but the cacheability flags have
cache_level); * changed, set the global PTEs.
*
* If there is an aliasing PPGTT it is anecdotally faster, so use that
* instead if none of the above hold true.
*
* NB: A global mapping should only be needed for special regions like
* "gtt mappable", SNB errata, or if specified via special execbuf
* flags. At all other times, the GPU will use the aliasing PPGTT.
*/
if (!dev_priv->mm.aliasing_ppgtt || flags & GLOBAL_BIND) {
if (!obj->has_global_gtt_mapping ||
(cache_level != obj->cache_level)) {
vma->vm->insert_entries(vma->vm, obj->pages, entry,
cache_level);
obj->has_global_gtt_mapping = 1;
}
}
obj->has_global_gtt_mapping = 1; if (dev_priv->mm.aliasing_ppgtt &&
(!obj->has_aliasing_ppgtt_mapping ||
(cache_level != obj->cache_level))) {
struct i915_hw_ppgtt *appgtt = dev_priv->mm.aliasing_ppgtt;
appgtt->base.insert_entries(&appgtt->base,
vma->obj->pages, entry, cache_level);
vma->obj->has_aliasing_ppgtt_mapping = 1;
}
} }
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj) static void ggtt_unbind_vma(struct i915_vma *vma)
{ {
struct drm_device *dev = obj->base.dev; struct drm_device *dev = vma->vm->dev;
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT; struct drm_i915_gem_object *obj = vma->obj;
const unsigned long entry = vma->node.start >> PAGE_SHIFT;
dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
entry, if (obj->has_global_gtt_mapping) {
obj->base.size >> PAGE_SHIFT, vma->vm->clear_range(vma->vm, entry,
true); vma->obj->base.size >> PAGE_SHIFT,
true);
obj->has_global_gtt_mapping = 0;
}
obj->has_global_gtt_mapping = 0; if (obj->has_aliasing_ppgtt_mapping) {
struct i915_hw_ppgtt *appgtt = dev_priv->mm.aliasing_ppgtt;
appgtt->base.clear_range(&appgtt->base,
entry,
obj->base.size >> PAGE_SHIFT,
true);
obj->has_aliasing_ppgtt_mapping = 0;
}
} }
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj) void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
...@@ -1155,21 +1479,6 @@ void i915_gem_setup_global_gtt(struct drm_device *dev, ...@@ -1155,21 +1479,6 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
ggtt_vm->clear_range(ggtt_vm, end / PAGE_SIZE - 1, 1, true); ggtt_vm->clear_range(ggtt_vm, end / PAGE_SIZE - 1, 1, true);
} }
static bool
intel_enable_ppgtt(struct drm_device *dev)
{
if (i915_enable_ppgtt >= 0)
return i915_enable_ppgtt;
#ifdef CONFIG_INTEL_IOMMU
/* Disable ppgtt on SNB if VT-d is on. */
if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
return false;
#endif
return true;
}
void i915_gem_init_global_gtt(struct drm_device *dev) void i915_gem_init_global_gtt(struct drm_device *dev)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
...@@ -1178,26 +1487,6 @@ void i915_gem_init_global_gtt(struct drm_device *dev) ...@@ -1178,26 +1487,6 @@ void i915_gem_init_global_gtt(struct drm_device *dev)
gtt_size = dev_priv->gtt.base.total; gtt_size = dev_priv->gtt.base.total;
mappable_size = dev_priv->gtt.mappable_end; mappable_size = dev_priv->gtt.mappable_end;
if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) {
int ret;
if (INTEL_INFO(dev)->gen <= 7) {
/* PPGTT pdes are stolen from global gtt ptes, so shrink the
* aperture accordingly when using aliasing ppgtt. */
gtt_size -= GEN6_PPGTT_PD_ENTRIES * PAGE_SIZE;
}
i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
ret = i915_gem_init_aliasing_ppgtt(dev);
if (!ret)
return;
DRM_ERROR("Aliased PPGTT setup failed %d\n", ret);
drm_mm_takedown(&dev_priv->gtt.base.mm);
if (INTEL_INFO(dev)->gen < 8)
gtt_size += GEN6_PPGTT_PD_ENTRIES*PAGE_SIZE;
}
i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size); i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
} }
...@@ -1438,7 +1727,6 @@ static int i915_gmch_probe(struct drm_device *dev, ...@@ -1438,7 +1727,6 @@ static int i915_gmch_probe(struct drm_device *dev,
dev_priv->gtt.do_idle_maps = needs_idle_maps(dev_priv->dev); dev_priv->gtt.do_idle_maps = needs_idle_maps(dev_priv->dev);
dev_priv->gtt.base.clear_range = i915_ggtt_clear_range; dev_priv->gtt.base.clear_range = i915_ggtt_clear_range;
dev_priv->gtt.base.insert_entries = i915_ggtt_insert_entries;
if (unlikely(dev_priv->gtt.do_idle_maps)) if (unlikely(dev_priv->gtt.do_idle_maps))
DRM_INFO("applying Ironlake quirks for intel_iommu\n"); DRM_INFO("applying Ironlake quirks for intel_iommu\n");
...@@ -1493,3 +1781,62 @@ int i915_gem_gtt_init(struct drm_device *dev) ...@@ -1493,3 +1781,62 @@ int i915_gem_gtt_init(struct drm_device *dev)
return 0; return 0;
} }
static struct i915_vma *__i915_gem_vma_create(struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
struct i915_vma *vma = kzalloc(sizeof(*vma), GFP_KERNEL);
if (vma == NULL)
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&vma->vma_link);
INIT_LIST_HEAD(&vma->mm_list);
INIT_LIST_HEAD(&vma->exec_list);
vma->vm = vm;
vma->obj = obj;
switch (INTEL_INFO(vm->dev)->gen) {
case 8:
case 7:
case 6:
if (i915_is_ggtt(vm)) {
vma->unbind_vma = ggtt_unbind_vma;
vma->bind_vma = ggtt_bind_vma;
} else {
vma->unbind_vma = ppgtt_unbind_vma;
vma->bind_vma = ppgtt_bind_vma;
}
break;
case 5:
case 4:
case 3:
case 2:
BUG_ON(!i915_is_ggtt(vm));
vma->unbind_vma = i915_ggtt_unbind_vma;
vma->bind_vma = i915_ggtt_bind_vma;
break;
default:
BUG();
}
/* Keep GGTT vmas first to make debug easier */
if (i915_is_ggtt(vm))
list_add(&vma->vma_link, &obj->vma_list);
else
list_add_tail(&vma->vma_link, &obj->vma_list);
return vma;
}
struct i915_vma *
i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
struct i915_vma *vma;
vma = i915_gem_obj_to_vma(obj, vm);
if (!vma)
vma = __i915_gem_vma_create(obj, vm);
return vma;
}
drivers/gpu/drm/i915/i915_gem_tiling.c
View file @ 0e5539b9
...@@ -308,7 +308,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, ...@@ -308,7 +308,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
return -EINVAL; return -EINVAL;
} }
if (obj->pin_count || obj->framebuffer_references) { if (i915_gem_obj_is_pinned(obj) || obj->framebuffer_references) {
drm_gem_object_unreference_unlocked(&obj->base); drm_gem_object_unreference_unlocked(&obj->base);
return -EBUSY; return -EBUSY;
} }
......
drivers/gpu/drm/i915/i915_gpu_error.c
View file @ 0e5539b9
...@@ -481,6 +481,7 @@ static void i915_error_state_free(struct kref *error_ref) ...@@ -481,6 +481,7 @@ static void i915_error_state_free(struct kref *error_ref)
static struct drm_i915_error_object * static struct drm_i915_error_object *
i915_error_object_create_sized(struct drm_i915_private *dev_priv, i915_error_object_create_sized(struct drm_i915_private *dev_priv,
struct drm_i915_gem_object *src, struct drm_i915_gem_object *src,
struct i915_address_space *vm,
const int num_pages) const int num_pages)
{ {
struct drm_i915_error_object *dst; struct drm_i915_error_object *dst;
...@@ -494,7 +495,7 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv, ...@@ -494,7 +495,7 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
if (dst == NULL) if (dst == NULL)
return NULL; return NULL;
reloc_offset = dst->gtt_offset = i915_gem_obj_ggtt_offset(src); reloc_offset = dst->gtt_offset = i915_gem_obj_offset(src, vm);
for (i = 0; i < num_pages; i++) { for (i = 0; i < num_pages; i++) {
unsigned long flags; unsigned long flags;
void *d; void *d;
...@@ -505,7 +506,8 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv, ...@@ -505,7 +506,8 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
local_irq_save(flags); local_irq_save(flags);
if (reloc_offset < dev_priv->gtt.mappable_end && if (reloc_offset < dev_priv->gtt.mappable_end &&
src->has_global_gtt_mapping) { src->has_global_gtt_mapping &&
i915_is_ggtt(vm)) {
void __iomem *s; void __iomem *s;
/* Simply ignore tiling or any overlapping fence. /* Simply ignore tiling or any overlapping fence.
...@@ -555,8 +557,12 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv, ...@@ -555,8 +557,12 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
kfree(dst); kfree(dst);
return NULL; return NULL;
} }
#define i915_error_object_create(dev_priv, src) \ #define i915_error_object_create(dev_priv, src, vm) \
i915_error_object_create_sized((dev_priv), (src), \ i915_error_object_create_sized((dev_priv), (src), (vm), \
(src)->base.size>>PAGE_SHIFT)
#define i915_error_ggtt_object_create(dev_priv, src) \
i915_error_object_create_sized((dev_priv), (src), &(dev_priv)->gtt.base, \
(src)->base.size>>PAGE_SHIFT) (src)->base.size>>PAGE_SHIFT)
static void capture_bo(struct drm_i915_error_buffer *err, static void capture_bo(struct drm_i915_error_buffer *err,
...@@ -571,7 +577,7 @@ static void capture_bo(struct drm_i915_error_buffer *err, ...@@ -571,7 +577,7 @@ static void capture_bo(struct drm_i915_error_buffer *err,
err->write_domain = obj->base.write_domain; err->write_domain = obj->base.write_domain;
err->fence_reg = obj->fence_reg; err->fence_reg = obj->fence_reg;
err->pinned = 0; err->pinned = 0;
if (obj->pin_count > 0) if (i915_gem_obj_is_pinned(obj))
err->pinned = 1; err->pinned = 1;
if (obj->user_pin_count > 0) if (obj->user_pin_count > 0)
err->pinned = -1; err->pinned = -1;
...@@ -604,7 +610,7 @@ static u32 capture_pinned_bo(struct drm_i915_error_buffer *err, ...@@ -604,7 +610,7 @@ static u32 capture_pinned_bo(struct drm_i915_error_buffer *err,
int i = 0; int i = 0;
list_for_each_entry(obj, head, global_list) { list_for_each_entry(obj, head, global_list) {
if (obj->pin_count == 0) if (!i915_gem_obj_is_pinned(obj))
continue; continue;
capture_bo(err++, obj); capture_bo(err++, obj);
...@@ -648,6 +654,32 @@ static void i915_gem_record_fences(struct drm_device *dev, ...@@ -648,6 +654,32 @@ static void i915_gem_record_fences(struct drm_device *dev,
} }
} }
/* This assumes all batchbuffers are executed from the PPGTT. It might have to
* change in the future. */
static bool is_active_vm(struct i915_address_space *vm,
struct intel_ring_buffer *ring)
{
struct drm_device *dev = vm->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_hw_ppgtt *ppgtt;
if (INTEL_INFO(dev)->gen < 7)
return i915_is_ggtt(vm);
/* FIXME: This ignores that the global gtt vm is also on this list. */
ppgtt = container_of(vm, struct i915_hw_ppgtt, base);
if (INTEL_INFO(dev)->gen >= 8) {
u64 pdp0 = (u64)I915_READ(GEN8_RING_PDP_UDW(ring, 0)) << 32;
pdp0 |= I915_READ(GEN8_RING_PDP_LDW(ring, 0));
return pdp0 == ppgtt->pd_dma_addr[0];
} else {
u32 pp_db;
pp_db = I915_READ(RING_PP_DIR_BASE(ring));
return (pp_db >> 10) == ppgtt->pd_offset;
}
}
static struct drm_i915_error_object * static struct drm_i915_error_object *
i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
struct intel_ring_buffer *ring) struct intel_ring_buffer *ring)
...@@ -655,6 +687,7 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, ...@@ -655,6 +687,7 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
struct i915_address_space *vm; struct i915_address_space *vm;
struct i915_vma *vma; struct i915_vma *vma;
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
bool found_active = false;
u32 seqno; u32 seqno;
if (!ring->get_seqno) if (!ring->get_seqno)
...@@ -669,11 +702,16 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, ...@@ -669,11 +702,16 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
obj = ring->scratch.obj; obj = ring->scratch.obj;
if (acthd >= i915_gem_obj_ggtt_offset(obj) && if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size) acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
return i915_error_object_create(dev_priv, obj); return i915_error_ggtt_object_create(dev_priv, obj);
} }
seqno = ring->get_seqno(ring, false); seqno = ring->get_seqno(ring, false);
list_for_each_entry(vm, &dev_priv->vm_list, global_link) { list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
if (!is_active_vm(vm, ring))
continue;
found_active = true;
list_for_each_entry(vma, &vm->active_list, mm_list) { list_for_each_entry(vma, &vm->active_list, mm_list) {
obj = vma->obj; obj = vma->obj;
if (obj->ring != ring) if (obj->ring != ring)
...@@ -688,10 +726,11 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, ...@@ -688,10 +726,11 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
/* We need to copy these to an anonymous buffer as the simplest /* We need to copy these to an anonymous buffer as the simplest
* method to avoid being overwritten by userspace. * method to avoid being overwritten by userspace.
*/ */
return i915_error_object_create(dev_priv, obj); return i915_error_object_create(dev_priv, obj, vm);
} }
} }
WARN_ON(!found_active);
return NULL; return NULL;
} }
...@@ -765,7 +804,9 @@ static void i915_gem_record_active_context(struct intel_ring_buffer *ring, ...@@ -765,7 +804,9 @@ static void i915_gem_record_active_context(struct intel_ring_buffer *ring,
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
if ((error->ccid & PAGE_MASK) == i915_gem_obj_ggtt_offset(obj)) { if ((error->ccid & PAGE_MASK) == i915_gem_obj_ggtt_offset(obj)) {
ering->ctx = i915_error_object_create_sized(dev_priv, ering->ctx = i915_error_object_create_sized(dev_priv,
obj, 1); obj,
&dev_priv->gtt.base,
1);
break; break;
} }
} }
...@@ -786,7 +827,7 @@ static void i915_gem_record_rings(struct drm_device *dev, ...@@ -786,7 +827,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
i915_error_first_batchbuffer(dev_priv, ring); i915_error_first_batchbuffer(dev_priv, ring);
error->ring[i].ringbuffer = error->ring[i].ringbuffer =
i915_error_object_create(dev_priv, ring->obj); i915_error_ggtt_object_create(dev_priv, ring->obj);
i915_gem_record_active_context(ring, error, &error->ring[i]); i915_gem_record_active_context(ring, error, &error->ring[i]);
...@@ -834,7 +875,7 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv, ...@@ -834,7 +875,7 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv,
i++; i++;
error->active_bo_count[ndx] = i; error->active_bo_count[ndx] = i;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
if (obj->pin_count) if (i915_gem_obj_is_pinned(obj))
i++; i++;
error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx]; error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx];
...@@ -868,11 +909,6 @@ static void i915_gem_capture_buffers(struct drm_i915_private *dev_priv, ...@@ -868,11 +909,6 @@ static void i915_gem_capture_buffers(struct drm_i915_private *dev_priv,
list_for_each_entry(vm, &dev_priv->vm_list, global_link) list_for_each_entry(vm, &dev_priv->vm_list, global_link)
cnt++; cnt++;
if (WARN(cnt > 1, "Multiple VMs not yet supported\n"))
cnt = 1;
vm = &dev_priv->gtt.base;
error->active_bo = kcalloc(cnt, sizeof(*error->active_bo), GFP_ATOMIC); error->active_bo = kcalloc(cnt, sizeof(*error->active_bo), GFP_ATOMIC);
error->pinned_bo = kcalloc(cnt, sizeof(*error->pinned_bo), GFP_ATOMIC); error->pinned_bo = kcalloc(cnt, sizeof(*error->pinned_bo), GFP_ATOMIC);
error->active_bo_count = kcalloc(cnt, sizeof(*error->active_bo_count), error->active_bo_count = kcalloc(cnt, sizeof(*error->active_bo_count),
......
drivers/gpu/drm/i915/intel_fbdev.c
View file @ 0e5539b9
...@@ -104,7 +104,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper, ...@@ -104,7 +104,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
return 0; return 0;
out_unpin: out_unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
out_unref: out_unref:
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
out: out:
...@@ -208,7 +208,7 @@ static int intelfb_create(struct drm_fb_helper *helper, ...@@ -208,7 +208,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
return 0; return 0;
out_unpin: out_unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
out_unlock: out_unlock:
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
......
drivers/gpu/drm/i915/intel_overlay.c
View file @ 0e5539b9
...@@ -293,7 +293,7 @@ static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay) ...@@ -293,7 +293,7 @@ static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
{ {
struct drm_i915_gem_object *obj = overlay->old_vid_bo; struct drm_i915_gem_object *obj = overlay->old_vid_bo;
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
overlay->old_vid_bo = NULL; overlay->old_vid_bo = NULL;
...@@ -306,7 +306,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay) ...@@ -306,7 +306,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
/* never have the overlay hw on without showing a frame */ /* never have the overlay hw on without showing a frame */
BUG_ON(!overlay->vid_bo); BUG_ON(!overlay->vid_bo);
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
overlay->vid_bo = NULL; overlay->vid_bo = NULL;
...@@ -782,7 +782,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay, ...@@ -782,7 +782,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
return 0; return 0;
out_unpin: out_unpin:
i915_gem_object_unpin(new_bo); i915_gem_object_ggtt_unpin(new_bo);
return ret; return ret;
} }
...@@ -1386,7 +1386,7 @@ void intel_setup_overlay(struct drm_device *dev) ...@@ -1386,7 +1386,7 @@ void intel_setup_overlay(struct drm_device *dev)
out_unpin_bo: out_unpin_bo:
if (!OVERLAY_NEEDS_PHYSICAL(dev)) if (!OVERLAY_NEEDS_PHYSICAL(dev))
i915_gem_object_unpin(reg_bo); i915_gem_object_ggtt_unpin(reg_bo);
out_free_bo: out_free_bo:
drm_gem_object_unreference(&reg_bo->base); drm_gem_object_unreference(&reg_bo->base);
out_free: out_free:
......
drivers/gpu/drm/i915/intel_pm.c
View file @ 0e5539b9
...@@ -2753,7 +2753,7 @@ intel_alloc_context_page(struct drm_device *dev) ...@@ -2753,7 +2753,7 @@ intel_alloc_context_page(struct drm_device *dev)
return ctx; return ctx;
err_unpin: err_unpin:
i915_gem_object_unpin(ctx); i915_gem_object_ggtt_unpin(ctx);
err_unref: err_unref:
drm_gem_object_unreference(&ctx->base); drm_gem_object_unreference(&ctx->base);
return NULL; return NULL;
...@@ -3625,13 +3625,13 @@ void ironlake_teardown_rc6(struct drm_device *dev) ...@@ -3625,13 +3625,13 @@ void ironlake_teardown_rc6(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->ips.renderctx) { if (dev_priv->ips.renderctx) {
i915_gem_object_unpin(dev_priv->ips.renderctx); i915_gem_object_ggtt_unpin(dev_priv->ips.renderctx);
drm_gem_object_unreference(&dev_priv->ips.renderctx->base); drm_gem_object_unreference(&dev_priv->ips.renderctx->base);
dev_priv->ips.renderctx = NULL; dev_priv->ips.renderctx = NULL;
} }
if (dev_priv->ips.pwrctx) { if (dev_priv->ips.pwrctx) {
i915_gem_object_unpin(dev_priv->ips.pwrctx); i915_gem_object_ggtt_unpin(dev_priv->ips.pwrctx);
drm_gem_object_unreference(&dev_priv->ips.pwrctx->base); drm_gem_object_unreference(&dev_priv->ips.pwrctx->base);
dev_priv->ips.pwrctx = NULL; dev_priv->ips.pwrctx = NULL;
} }
......
drivers/gpu/drm/i915/intel_ringbuffer.c
View file @ 0e5539b9
...@@ -549,7 +549,7 @@ init_pipe_control(struct intel_ring_buffer *ring) ...@@ -549,7 +549,7 @@ init_pipe_control(struct intel_ring_buffer *ring)
return 0; return 0;
err_unpin: err_unpin:
i915_gem_object_unpin(ring->scratch.obj); i915_gem_object_ggtt_unpin(ring->scratch.obj);
err_unref: err_unref:
drm_gem_object_unreference(&ring->scratch.obj->base); drm_gem_object_unreference(&ring->scratch.obj->base);
err: err:
...@@ -625,7 +625,7 @@ static void render_ring_cleanup(struct intel_ring_buffer *ring) ...@@ -625,7 +625,7 @@ static void render_ring_cleanup(struct intel_ring_buffer *ring)
if (INTEL_INFO(dev)->gen >= 5) { if (INTEL_INFO(dev)->gen >= 5) {
kunmap(sg_page(ring->scratch.obj->pages->sgl)); kunmap(sg_page(ring->scratch.obj->pages->sgl));
i915_gem_object_unpin(ring->scratch.obj); i915_gem_object_ggtt_unpin(ring->scratch.obj);
} }
drm_gem_object_unreference(&ring->scratch.obj->base); drm_gem_object_unreference(&ring->scratch.obj->base);
...@@ -1253,7 +1253,7 @@ static void cleanup_status_page(struct intel_ring_buffer *ring) ...@@ -1253,7 +1253,7 @@ static void cleanup_status_page(struct intel_ring_buffer *ring)
return; return;
kunmap(sg_page(obj->pages->sgl)); kunmap(sg_page(obj->pages->sgl));
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
ring->status_page.obj = NULL; ring->status_page.obj = NULL;
} }
...@@ -1293,7 +1293,7 @@ static int init_status_page(struct intel_ring_buffer *ring) ...@@ -1293,7 +1293,7 @@ static int init_status_page(struct intel_ring_buffer *ring)
return 0; return 0;
err_unpin: err_unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
err_unref: err_unref:
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
err: err:
...@@ -1390,7 +1390,7 @@ static int intel_init_ring_buffer(struct drm_device *dev, ...@@ -1390,7 +1390,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
err_unmap: err_unmap:
iounmap(ring->virtual_start); iounmap(ring->virtual_start);
err_unpin: err_unpin:
i915_gem_object_unpin(obj); i915_gem_object_ggtt_unpin(obj);
err_unref: err_unref:
drm_gem_object_unreference(&obj->base); drm_gem_object_unreference(&obj->base);
ring->obj = NULL; ring->obj = NULL;
...@@ -1418,7 +1418,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring) ...@@ -1418,7 +1418,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring)
iounmap(ring->virtual_start); iounmap(ring->virtual_start);
i915_gem_object_unpin(ring->obj); i915_gem_object_ggtt_unpin(ring->obj);
drm_gem_object_unreference(&ring->obj->base); drm_gem_object_unreference(&ring->obj->base);
ring->obj = NULL; ring->obj = NULL;
ring->preallocated_lazy_request = NULL; ring->preallocated_lazy_request = NULL;
......
drivers/gpu/drm/i915/intel_uncore.c
View file @ 0e5539b9
...@@ -852,6 +852,7 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev, ...@@ -852,6 +852,7 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_reset_stats *args = data; struct drm_i915_reset_stats *args = data;
struct i915_ctx_hang_stats *hs; struct i915_ctx_hang_stats *hs;
struct i915_hw_context *ctx;
int ret; int ret;
if (args->flags || args->pad) if (args->flags || args->pad)
...@@ -864,11 +865,12 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev, ...@@ -864,11 +865,12 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
if (ret) if (ret)
return ret; return ret;
hs = i915_gem_context_get_hang_stats(dev, file, args->ctx_id); ctx = i915_gem_context_get(file->driver_priv, args->ctx_id);
if (IS_ERR(hs)) { if (IS_ERR(ctx)) {
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
return PTR_ERR(hs); return PTR_ERR(ctx);
} }
hs = &ctx->hang_stats;
if (capable(CAP_SYS_ADMIN)) if (capable(CAP_SYS_ADMIN))
args->reset_count = i915_reset_count(&dev_priv->gpu_error); args->reset_count = i915_reset_count(&dev_priv->gpu_error);
......
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