diff options
author | Dave Airlie <airlied@redhat.com> | 2020-09-08 06:46:18 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2020-09-09 08:28:53 +1000 |
commit | ecfe6953fa00115414a6fefe49023a1ebc187a98 (patch) | |
tree | 3e52dbe04e22a22facc8586721a8cd0ed79a605f /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
parent | 884e5cc1dd119d1761f6ea19e904a1492a81f9ee (diff) | |
download | lwn-ecfe6953fa00115414a6fefe49023a1ebc187a98.tar.gz lwn-ecfe6953fa00115414a6fefe49023a1ebc187a98.zip |
drm/ttm: introduce ttm_bo_move_null
This pattern is cut-n-pasted across 4 drivers, switch it to
a WARN_ON instead, as BUG_ON is considered a bad idea usually.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200907204630.1406528-2-airlied@gmail.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index c6f4d9ede0e0..5f7a8e23ed9d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -175,24 +175,6 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) } /** - * amdgpu_move_null - Register memory for a buffer object - * - * @bo: The bo to assign the memory to - * @new_mem: The memory to be assigned. - * - * Assign the memory from new_mem to the memory of the buffer object bo. - */ -static void amdgpu_move_null(struct ttm_buffer_object *bo, - struct ttm_resource *new_mem) -{ - struct ttm_resource *old_mem = &bo->mem; - - BUG_ON(old_mem->mm_node != NULL); - *old_mem = *new_mem; - new_mem->mm_node = NULL; -} - -/** * amdgpu_mm_node_addr - Compute the GPU relative offset of a GTT buffer. * * @bo: The bo to assign the memory to. @@ -676,7 +658,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, adev = amdgpu_ttm_adev(bo->bdev); if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } if ((old_mem->mem_type == TTM_PL_TT && @@ -684,7 +666,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, (old_mem->mem_type == TTM_PL_SYSTEM && new_mem->mem_type == TTM_PL_TT)) { /* bind is enough */ - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } if (old_mem->mem_type == AMDGPU_PL_GDS || @@ -694,7 +676,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, new_mem->mem_type == AMDGPU_PL_GWS || new_mem->mem_type == AMDGPU_PL_OA) { /* Nothing to save here */ - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } |