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Commit 3d3bdbc0 authored by Gerd Hoffmann's avatar Gerd Hoffmann
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drm/virtio: rework virtio_gpu_transfer_to_host_ioctl fencing 

Switch to the virtio_gpu_array_* helper workflow.
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: default avatarChia-I Wu <olvaffe@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190829103301.3539-12-kraxel@redhat.com
parent 375f156a
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Showing with 47 additions and 37 deletions
drivers/gpu/drm/virtio/virtgpu_drv.h
View file @ 3d3bdbc0
...@@ -279,10 +279,10 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, ...@@ -279,10 +279,10 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev,
void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev,
uint32_t resource_id); uint32_t resource_id);
void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object *bo,
uint64_t offset, uint64_t offset,
__le32 width, __le32 height, __le32 width, __le32 height,
__le32 x, __le32 y, __le32 x, __le32 y,
struct virtio_gpu_object_array *objs,
struct virtio_gpu_fence *fence); struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
uint32_t resource_id, uint32_t resource_id,
...@@ -329,10 +329,10 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev, ...@@ -329,10 +329,10 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object_array *objs, struct virtio_gpu_object_array *objs,
struct virtio_gpu_fence *fence); struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object *bo,
uint32_t ctx_id, uint32_t ctx_id,
uint64_t offset, uint32_t level, uint64_t offset, uint32_t level,
struct virtio_gpu_box *box, struct virtio_gpu_box *box,
struct virtio_gpu_object_array *objs,
struct virtio_gpu_fence *fence); struct virtio_gpu_fence *fence);
void void
virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev,
......
drivers/gpu/drm/virtio/virtgpu_ioctl.c
View file @ 3d3bdbc0
...@@ -383,52 +383,44 @@ static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data, ...@@ -383,52 +383,44 @@ static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data,
struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_device *vgdev = dev->dev_private;
struct virtio_gpu_fpriv *vfpriv = file->driver_priv; struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
struct drm_virtgpu_3d_transfer_to_host *args = data; struct drm_virtgpu_3d_transfer_to_host *args = data;
struct ttm_operation_ctx ctx = { true, false }; struct virtio_gpu_object_array *objs;
struct drm_gem_object *gobj = NULL;
struct virtio_gpu_object *qobj = NULL;
struct virtio_gpu_fence *fence; struct virtio_gpu_fence *fence;
struct virtio_gpu_box box; struct virtio_gpu_box box;
int ret; int ret;
u32 offset = args->offset; u32 offset = args->offset;
gobj = drm_gem_object_lookup(file, args->bo_handle); objs = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
if (gobj == NULL) if (objs == NULL)
return -ENOENT; return -ENOENT;
qobj = gem_to_virtio_gpu_obj(gobj);
ret = virtio_gpu_object_reserve(qobj);
if (ret)
goto out;
ret = ttm_bo_validate(&qobj->tbo, &qobj->placement, &ctx);
if (unlikely(ret))
goto out_unres;
convert_to_hw_box(&box, &args->box); convert_to_hw_box(&box, &args->box);
if (!vgdev->has_virgl_3d) { if (!vgdev->has_virgl_3d) {
virtio_gpu_cmd_transfer_to_host_2d virtio_gpu_cmd_transfer_to_host_2d
(vgdev, qobj, offset, (vgdev, offset,
box.w, box.h, box.x, box.y, NULL); box.w, box.h, box.x, box.y,
objs, NULL);
} else { } else {
ret = virtio_gpu_array_lock_resv(objs);
if (ret != 0)
goto err_put_free;
ret = -ENOMEM;
fence = virtio_gpu_fence_alloc(vgdev); fence = virtio_gpu_fence_alloc(vgdev);
if (!fence) { if (!fence)
ret = -ENOMEM; goto err_unlock;
goto out_unres;
}
virtio_gpu_cmd_transfer_to_host_3d virtio_gpu_cmd_transfer_to_host_3d
(vgdev, qobj, (vgdev,
vfpriv ? vfpriv->ctx_id : 0, offset, vfpriv ? vfpriv->ctx_id : 0, offset,
args->level, &box, fence); args->level, &box, objs, fence);
dma_resv_add_excl_fence(qobj->tbo.base.resv,
&fence->f);
dma_fence_put(&fence->f); dma_fence_put(&fence->f);
} }
return 0;
out_unres: err_unlock:
virtio_gpu_object_unreserve(qobj); virtio_gpu_array_unlock_resv(objs);
out: err_put_free:
drm_gem_object_put_unlocked(gobj); virtio_gpu_array_put_free(objs);
return ret; return ret;
} }
......
drivers/gpu/drm/virtio/virtgpu_plane.c
View file @ 3d3bdbc0
...@@ -124,12 +124,19 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, ...@@ -124,12 +124,19 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
handle = bo->hw_res_handle; handle = bo->hw_res_handle;
if (bo->dumb) { if (bo->dumb) {
struct virtio_gpu_object_array *objs;
objs = virtio_gpu_array_alloc(1);
if (!objs)
return;
virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
virtio_gpu_cmd_transfer_to_host_2d virtio_gpu_cmd_transfer_to_host_2d
(vgdev, bo, 0, (vgdev, 0,
cpu_to_le32(plane->state->src_w >> 16), cpu_to_le32(plane->state->src_w >> 16),
cpu_to_le32(plane->state->src_h >> 16), cpu_to_le32(plane->state->src_h >> 16),
cpu_to_le32(plane->state->src_x >> 16), cpu_to_le32(plane->state->src_x >> 16),
cpu_to_le32(plane->state->src_y >> 16), NULL); cpu_to_le32(plane->state->src_y >> 16),
objs, NULL);
} }
} else { } else {
handle = 0; handle = 0;
...@@ -219,11 +226,17 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, ...@@ -219,11 +226,17 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
if (bo && bo->dumb && (plane->state->fb != old_state->fb)) { if (bo && bo->dumb && (plane->state->fb != old_state->fb)) {
/* new cursor -- update & wait */ /* new cursor -- update & wait */
struct virtio_gpu_object_array *objs;
objs = virtio_gpu_array_alloc(1);
if (!objs)
return;
virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
virtio_gpu_cmd_transfer_to_host_2d virtio_gpu_cmd_transfer_to_host_2d
(vgdev, bo, 0, (vgdev, 0,
cpu_to_le32(plane->state->crtc_w), cpu_to_le32(plane->state->crtc_w),
cpu_to_le32(plane->state->crtc_h), cpu_to_le32(plane->state->crtc_h),
0, 0, vgfb->fence); 0, 0, objs, vgfb->fence);
dma_fence_wait(&vgfb->fence->f, true); dma_fence_wait(&vgfb->fence->f, true);
dma_fence_put(&vgfb->fence->f); dma_fence_put(&vgfb->fence->f);
vgfb->fence = NULL; vgfb->fence = NULL;
......
drivers/gpu/drm/virtio/virtgpu_vq.c
View file @ 3d3bdbc0
...@@ -491,12 +491,13 @@ void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev, ...@@ -491,12 +491,13 @@ void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
} }
void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object *bo,
uint64_t offset, uint64_t offset,
__le32 width, __le32 height, __le32 width, __le32 height,
__le32 x, __le32 y, __le32 x, __le32 y,
struct virtio_gpu_object_array *objs,
struct virtio_gpu_fence *fence) struct virtio_gpu_fence *fence)
{ {
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
struct virtio_gpu_transfer_to_host_2d *cmd_p; struct virtio_gpu_transfer_to_host_2d *cmd_p;
struct virtio_gpu_vbuffer *vbuf; struct virtio_gpu_vbuffer *vbuf;
bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
...@@ -508,6 +509,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, ...@@ -508,6 +509,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
memset(cmd_p, 0, sizeof(*cmd_p)); memset(cmd_p, 0, sizeof(*cmd_p));
vbuf->objs = objs;
cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D); cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D);
cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
...@@ -900,12 +902,13 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, ...@@ -900,12 +902,13 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev,
} }
void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object *bo,
uint32_t ctx_id, uint32_t ctx_id,
uint64_t offset, uint32_t level, uint64_t offset, uint32_t level,
struct virtio_gpu_box *box, struct virtio_gpu_box *box,
struct virtio_gpu_object_array *objs,
struct virtio_gpu_fence *fence) struct virtio_gpu_fence *fence)
{ {
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
struct virtio_gpu_transfer_host_3d *cmd_p; struct virtio_gpu_transfer_host_3d *cmd_p;
struct virtio_gpu_vbuffer *vbuf; struct virtio_gpu_vbuffer *vbuf;
bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
...@@ -918,6 +921,8 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, ...@@ -918,6 +921,8 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
memset(cmd_p, 0, sizeof(*cmd_p)); memset(cmd_p, 0, sizeof(*cmd_p));
vbuf->objs = objs;
cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D); cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D);
cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id); cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
......
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