invalidate_caches is actually not used, so clean it up.
Signed-off-by: Huang Rui ray.huang@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 ------ drivers/gpu/drm/nouveau/nouveau_bo.c | 7 ------- drivers/gpu/drm/qxl/qxl_ttm.c | 6 ------ drivers/gpu/drm/radeon/radeon_ttm.c | 6 ------ drivers/gpu/drm/ttm/ttm_bo.c | 8 +------- drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 6 ------ include/drm/ttm/ttm_bo_driver.h | 13 ------------- 7 files changed, 1 insertion(+), 51 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index cd2bde6..b397148 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -62,11 +62,6 @@
#define AMDGPU_TTM_VRAM_MAX_DW_READ (size_t)128
-static int amdgpu_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - return 0; -} - /** * amdgpu_init_mem_type - Initialize a memory manager for a specific type of * memory request. @@ -1746,7 +1741,6 @@ static struct ttm_bo_driver amdgpu_bo_driver = { .ttm_tt_create = &amdgpu_ttm_tt_create, .ttm_tt_populate = &amdgpu_ttm_tt_populate, .ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate, - .invalidate_caches = &amdgpu_invalidate_caches, .init_mem_type = &amdgpu_init_mem_type, .eviction_valuable = amdgpu_ttm_bo_eviction_valuable, .evict_flags = &amdgpu_evict_flags, diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 1b62ccc..7dd94e6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -647,13 +647,6 @@ nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags) }
static int -nouveau_bo_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - /* We'll do this from user space. */ - return 0; -} - -static int nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man) { diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index 16a5e90..62a5e42 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -48,11 +48,6 @@ static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev) return qdev; }
-static int qxl_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - return 0; -} - static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man) { @@ -256,7 +251,6 @@ static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
static struct ttm_bo_driver qxl_bo_driver = { .ttm_tt_create = &qxl_ttm_tt_create, - .invalidate_caches = &qxl_invalidate_caches, .init_mem_type = &qxl_init_mem_type, .eviction_valuable = ttm_bo_eviction_valuable, .evict_flags = &qxl_evict_flags, diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index f4af6703..40282bf 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -66,11 +66,6 @@ static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev) return rdev; }
-static int radeon_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - return 0; -} - static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man) { @@ -774,7 +769,6 @@ static struct ttm_bo_driver radeon_bo_driver = { .ttm_tt_create = &radeon_ttm_tt_create, .ttm_tt_populate = &radeon_ttm_tt_populate, .ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate, - .invalidate_caches = &radeon_invalidate_caches, .init_mem_type = &radeon_init_mem_type, .eviction_valuable = ttm_bo_eviction_valuable, .evict_flags = &radeon_evict_flags, diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 2445e2b..fd09bbb 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -343,14 +343,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, }
moved: - if (bo->evicted) { - if (bdev->driver->invalidate_caches) { - ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement); - if (ret) - pr_err("Can not flush read caches\n"); - } + if (bo->evicted) bo->evicted = false; - }
if (bo->mem.mm_node) bo->offset = (bo->mem.start << PAGE_SHIFT) + diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c index d8ea3dd..3f3b2c7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c @@ -736,11 +736,6 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo, return NULL; }
-static int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags) -{ - return 0; -} - static int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man) { @@ -866,7 +861,6 @@ struct ttm_bo_driver vmw_bo_driver = { .ttm_tt_create = &vmw_ttm_tt_create, .ttm_tt_populate = &vmw_ttm_populate, .ttm_tt_unpopulate = &vmw_ttm_unpopulate, - .invalidate_caches = vmw_invalidate_caches, .init_mem_type = vmw_init_mem_type, .eviction_valuable = ttm_bo_eviction_valuable, .evict_flags = vmw_evict_flags, diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index cac7a8a..5f60c1e 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -256,19 +256,6 @@ struct ttm_bo_driver { */ void (*ttm_tt_unpopulate)(struct ttm_tt *ttm);
- /** - * struct ttm_bo_driver member invalidate_caches - * - * @bdev: the buffer object device. - * @flags: new placement of the rebound buffer object. - * - * A previosly evicted buffer has been rebound in a - * potentially new location. Tell the driver that it might - * consider invalidating read (texture) caches on the next command - * submission as a consequence. - */ - - int (*invalidate_caches)(struct ttm_bo_device *bdev, uint32_t flags); int (*init_mem_type)(struct ttm_bo_device *bdev, uint32_t type, struct ttm_mem_type_manager *man);