Skip to content

L
linux
Commit 0388f2f6 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files
Options

drm/cirrus: remove leftover files 

cirrus_drv.h and cirrus_ttm.c are unused since commit ab3e023b
("drm/cirrus: rewrite and modernize driver"), apparently I ran "rm"
instead of "git rm" on them so they are still in present the tree.
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190522103307.12711-1-kraxel@redhat.com
parent 3b1d715d
Hide whitespace changes
Inline Side-by-side
Showing with 0 additions and 587 deletions
drivers/gpu/drm/cirrus/cirrus_drv.h deleted 100644 → 0
View file @ 3b1d715d
/*
* Copyright 2012 Red Hat
*
* This file is subject to the terms and conditions of the GNU General
* Public License version 2. See the file COPYING in the main
* directory of this archive for more details.
*
* Authors: Matthew Garrett
* Dave Airlie
*/
#ifndef __CIRRUS_DRV_H__
#define __CIRRUS_DRV_H__
#include <video/vga.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
#include <drm/drm_gem.h>
#define DRIVER_AUTHOR "Matthew Garrett"
#define DRIVER_NAME "cirrus"
#define DRIVER_DESC "qemu Cirrus emulation"
#define DRIVER_DATE "20110418"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
#define CIRRUSFB_CONN_LIMIT 1
#define RREG8(reg) ioread8(((void __iomem *)cdev->rmmio) + (reg))
#define WREG8(reg, v) iowrite8(v, ((void __iomem *)cdev->rmmio) + (reg))
#define RREG32(reg) ioread32(((void __iomem *)cdev->rmmio) + (reg))
#define WREG32(reg, v) iowrite32(v, ((void __iomem *)cdev->rmmio) + (reg))
#define SEQ_INDEX 4
#define SEQ_DATA 5
#define WREG_SEQ(reg, v) \
do { \
WREG8(SEQ_INDEX, reg); \
WREG8(SEQ_DATA, v); \
} while (0) \
#define CRT_INDEX 0x14
#define CRT_DATA 0x15
#define WREG_CRT(reg, v) \
do { \
WREG8(CRT_INDEX, reg); \
WREG8(CRT_DATA, v); \
} while (0) \
#define GFX_INDEX 0xe
#define GFX_DATA 0xf
#define WREG_GFX(reg, v) \
do { \
WREG8(GFX_INDEX, reg); \
WREG8(GFX_DATA, v); \
} while (0) \
/*
* Cirrus has a "hidden" DAC register that can be accessed by writing to
* the pixel mask register to reset the state, then reading from the register
* four times. The next write will then pass to the DAC
*/
#define VGA_DAC_MASK 0x6
#define WREG_HDR(v) \
do { \
RREG8(VGA_DAC_MASK); \
RREG8(VGA_DAC_MASK); \
RREG8(VGA_DAC_MASK); \
RREG8(VGA_DAC_MASK); \
WREG8(VGA_DAC_MASK, v); \
} while (0) \
#define CIRRUS_MAX_FB_HEIGHT 4096
#define CIRRUS_MAX_FB_WIDTH 4096
#define CIRRUS_DPMS_CLEARED (-1)
#define to_cirrus_crtc(x) container_of(x, struct cirrus_crtc, base)
#define to_cirrus_encoder(x) container_of(x, struct cirrus_encoder, base)
struct cirrus_crtc {
struct drm_crtc base;
int last_dpms;
bool enabled;
};
struct cirrus_fbdev;
struct cirrus_mode_info {
struct cirrus_crtc *crtc;
/* pointer to fbdev info structure */
struct cirrus_fbdev *gfbdev;
};
struct cirrus_encoder {
struct drm_encoder base;
int last_dpms;
};
struct cirrus_connector {
struct drm_connector base;
};
struct cirrus_mc {
resource_size_t vram_size;
resource_size_t vram_base;
};
struct cirrus_device {
struct drm_device *dev;
unsigned long flags;
resource_size_t rmmio_base;
resource_size_t rmmio_size;
void __iomem *rmmio;
struct cirrus_mc mc;
struct cirrus_mode_info mode_info;
int num_crtc;
int fb_mtrr;
struct {
struct ttm_bo_device bdev;
} ttm;
bool mm_inited;
};
struct cirrus_fbdev {
struct drm_fb_helper helper; /* must be first */
struct drm_framebuffer *gfb;
void *sysram;
int size;
int x1, y1, x2, y2; /* dirty rect */
spinlock_t dirty_lock;
};
struct cirrus_bo {
struct ttm_buffer_object bo;
struct ttm_placement placement;
struct ttm_bo_kmap_obj kmap;
struct drm_gem_object gem;
struct ttm_place placements[3];
int pin_count;
};
#define gem_to_cirrus_bo(gobj) container_of((gobj), struct cirrus_bo, gem)
static inline struct cirrus_bo *
cirrus_bo(struct ttm_buffer_object *bo)
{
return container_of(bo, struct cirrus_bo, bo);
}
#define to_cirrus_obj(x) container_of(x, struct cirrus_gem_object, base)
/* cirrus_main.c */
int cirrus_device_init(struct cirrus_device *cdev,
struct drm_device *ddev,
struct pci_dev *pdev,
uint32_t flags);
void cirrus_device_fini(struct cirrus_device *cdev);
void cirrus_gem_free_object(struct drm_gem_object *obj);
int cirrus_dumb_mmap_offset(struct drm_file *file,
struct drm_device *dev,
uint32_t handle,
uint64_t *offset);
int cirrus_gem_create(struct drm_device *dev,
u32 size, bool iskernel,
struct drm_gem_object **obj);
int cirrus_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args);
int cirrus_framebuffer_init(struct drm_device *dev,
struct drm_framebuffer *gfb,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj);
bool cirrus_check_framebuffer(struct cirrus_device *cdev, int width, int height,
int bpp, int pitch);
/* cirrus_display.c */
int cirrus_modeset_init(struct cirrus_device *cdev);
void cirrus_modeset_fini(struct cirrus_device *cdev);
/* cirrus_fbdev.c */
int cirrus_fbdev_init(struct cirrus_device *cdev);
void cirrus_fbdev_fini(struct cirrus_device *cdev);
/* cirrus_irq.c */
void cirrus_driver_irq_preinstall(struct drm_device *dev);
int cirrus_driver_irq_postinstall(struct drm_device *dev);
void cirrus_driver_irq_uninstall(struct drm_device *dev);
irqreturn_t cirrus_driver_irq_handler(int irq, void *arg);
/* cirrus_kms.c */
int cirrus_driver_load(struct drm_device *dev, unsigned long flags);
void cirrus_driver_unload(struct drm_device *dev);
extern struct drm_ioctl_desc cirrus_ioctls[];
extern int cirrus_max_ioctl;
int cirrus_mm_init(struct cirrus_device *cirrus);
void cirrus_mm_fini(struct cirrus_device *cirrus);
void cirrus_ttm_placement(struct cirrus_bo *bo, int domain);
int cirrus_bo_create(struct drm_device *dev, int size, int align,
uint32_t flags, struct cirrus_bo **pcirrusbo);
int cirrus_mmap(struct file *filp, struct vm_area_struct *vma);
static inline int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait)
{
int ret;
ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
if (ret) {
if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
return 0;
}
static inline void cirrus_bo_unreserve(struct cirrus_bo *bo)
{
ttm_bo_unreserve(&bo->bo);
}
int cirrus_bo_push_sysram(struct cirrus_bo *bo);
int cirrus_bo_pin(struct cirrus_bo *bo, u32 pl_flag, u64 *gpu_addr);
extern int cirrus_bpp;
#endif /* __CIRRUS_DRV_H__ */
drivers/gpu/drm/cirrus/cirrus_ttm.c deleted 100644 → 0
View file @ 3b1d715d
/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include <drm/drmP.h>
#include <drm/ttm/ttm_page_alloc.h>
#include "cirrus_drv.h"
static inline struct cirrus_device *
cirrus_bdev(struct ttm_bo_device *bd)
{
return container_of(bd, struct cirrus_device, ttm.bdev);
}
static void cirrus_bo_ttm_destroy(struct ttm_buffer_object *tbo)
{
struct cirrus_bo *bo;
bo = container_of(tbo, struct cirrus_bo, bo);
drm_gem_object_release(&bo->gem);
kfree(bo);
}
static bool cirrus_ttm_bo_is_cirrus_bo(struct ttm_buffer_object *bo)
{
if (bo->destroy == &cirrus_bo_ttm_destroy)
return true;
return false;
}
static int
cirrus_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
struct ttm_mem_type_manager *man)
{
switch (type) {
case TTM_PL_SYSTEM:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
break;
case TTM_PL_VRAM:
man->func = &ttm_bo_manager_func;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
return -EINVAL;
}
return 0;
}
static void
cirrus_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
{
struct cirrus_bo *cirrusbo = cirrus_bo(bo);
if (!cirrus_ttm_bo_is_cirrus_bo(bo))
return;
cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_SYSTEM);
*pl = cirrusbo->placement;
}
static int cirrus_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
{
struct cirrus_bo *cirrusbo = cirrus_bo(bo);
return drm_vma_node_verify_access(&cirrusbo->gem.vma_node,
filp->private_data);
}
static int cirrus_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct cirrus_device *cirrus = cirrus_bdev(bdev);
mem->bus.addr = NULL;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* system memory */
return 0;
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = pci_resource_start(cirrus->dev->pdev, 0);
mem->bus.is_iomem = true;
break;
default:
return -EINVAL;
break;
}
return 0;
}
static void cirrus_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}
static void cirrus_ttm_backend_destroy(struct ttm_tt *tt)
{
ttm_tt_fini(tt);
kfree(tt);
}
static struct ttm_backend_func cirrus_tt_backend_func = {
.destroy = &cirrus_ttm_backend_destroy,
};
static struct ttm_tt *cirrus_ttm_tt_create(struct ttm_buffer_object *bo,
uint32_t page_flags)
{
struct ttm_tt *tt;
tt = kzalloc(sizeof(struct ttm_tt), GFP_KERNEL);
if (tt == NULL)
return NULL;
tt->func = &cirrus_tt_backend_func;
if (ttm_tt_init(tt, bo, page_flags)) {
kfree(tt);
return NULL;
}
return tt;
}
struct ttm_bo_driver cirrus_bo_driver = {
.ttm_tt_create = cirrus_ttm_tt_create,
.init_mem_type = cirrus_bo_init_mem_type,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = cirrus_bo_evict_flags,
.move = NULL,
.verify_access = cirrus_bo_verify_access,
.io_mem_reserve = &cirrus_ttm_io_mem_reserve,
.io_mem_free = &cirrus_ttm_io_mem_free,
};
int cirrus_mm_init(struct cirrus_device *cirrus)
{
int ret;
struct drm_device *dev = cirrus->dev;
struct ttm_bo_device *bdev = &cirrus->ttm.bdev;
ret = ttm_bo_device_init(&cirrus->ttm.bdev,
&cirrus_bo_driver,
dev->anon_inode->i_mapping,
true);
if (ret) {
DRM_ERROR("Error initialising bo driver; %d\n", ret);
return ret;
}
ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
cirrus->mc.vram_size >> PAGE_SHIFT);
if (ret) {
DRM_ERROR("Failed ttm VRAM init: %d\n", ret);
return ret;
}
arch_io_reserve_memtype_wc(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
cirrus->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
cirrus->mm_inited = true;
return 0;
}
void cirrus_mm_fini(struct cirrus_device *cirrus)
{
struct drm_device *dev = cirrus->dev;
if (!cirrus->mm_inited)
return;
ttm_bo_device_release(&cirrus->ttm.bdev);
arch_phys_wc_del(cirrus->fb_mtrr);
cirrus->fb_mtrr = 0;
arch_io_free_memtype_wc(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
}
void cirrus_ttm_placement(struct cirrus_bo *bo, int domain)
{
u32 c = 0;
unsigned i;
bo->placement.placement = bo->placements;
bo->placement.busy_placement = bo->placements;
if (domain & TTM_PL_FLAG_VRAM)
bo->placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM;
if (domain & TTM_PL_FLAG_SYSTEM)
bo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
if (!c)
bo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
bo->placement.num_placement = c;
bo->placement.num_busy_placement = c;
for (i = 0; i < c; ++i) {
bo->placements[i].fpfn = 0;
bo->placements[i].lpfn = 0;
}
}
int cirrus_bo_create(struct drm_device *dev, int size, int align,
uint32_t flags, struct cirrus_bo **pcirrusbo)
{
struct cirrus_device *cirrus = dev->dev_private;
struct cirrus_bo *cirrusbo;
size_t acc_size;
int ret;
cirrusbo = kzalloc(sizeof(struct cirrus_bo), GFP_KERNEL);
if (!cirrusbo)
return -ENOMEM;
ret = drm_gem_object_init(dev, &cirrusbo->gem, size);
if (ret) {
kfree(cirrusbo);
return ret;
}
cirrusbo->bo.bdev = &cirrus->ttm.bdev;
cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
acc_size = ttm_bo_dma_acc_size(&cirrus->ttm.bdev, size,
sizeof(struct cirrus_bo));
ret = ttm_bo_init(&cirrus->ttm.bdev, &cirrusbo->bo, size,
ttm_bo_type_device, &cirrusbo->placement,
align >> PAGE_SHIFT, false, acc_size,
NULL, NULL, cirrus_bo_ttm_destroy);
if (ret)
return ret;
*pcirrusbo = cirrusbo;
return 0;
}
static inline u64 cirrus_bo_gpu_offset(struct cirrus_bo *bo)
{
return bo->bo.offset;
}
int cirrus_bo_pin(struct cirrus_bo *bo, u32 pl_flag, u64 *gpu_addr)
{
struct ttm_operation_ctx ctx = { false, false };
int i, ret;
if (bo->pin_count) {
bo->pin_count++;
if (gpu_addr)
*gpu_addr = cirrus_bo_gpu_offset(bo);
}
cirrus_ttm_placement(bo, pl_flag);
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx);
if (ret)
return ret;
bo->pin_count = 1;
if (gpu_addr)
*gpu_addr = cirrus_bo_gpu_offset(bo);
return 0;
}
int cirrus_bo_push_sysram(struct cirrus_bo *bo)
{
struct ttm_operation_ctx ctx = { false, false };
int i, ret;
if (!bo->pin_count) {
DRM_ERROR("unpin bad %p\n", bo);
return 0;
}
bo->pin_count--;
if (bo->pin_count)
return 0;
if (bo->kmap.virtual)
ttm_bo_kunmap(&bo->kmap);
cirrus_ttm_placement(bo, TTM_PL_FLAG_SYSTEM);
for (i = 0; i < bo->placement.num_placement ; i++)
bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx);
if (ret) {
DRM_ERROR("pushing to VRAM failed\n");
return ret;
}
return 0;
}
int cirrus_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv = filp->private_data;
struct cirrus_device *cirrus = file_priv->minor->dev->dev_private;
return ttm_bo_mmap(filp, vma, &cirrus->ttm.bdev);
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7