diff options
| author | Christian König <christian.koenig@amd.com> | 2017-06-30 10:41:07 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 11:05:59 -0400 |
| commit | 98a7f88ce9a9ed26cea939558f33e3d483cfb4f0 (patch) | |
| tree | 9a7b8c40e96b9e8ec7128cc66b2f369f30c39bfe /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 92c60d9cf6636fdf740ebc98af0d68426f07b19b (diff) | |
drm/amdgpu: bind BOs with GTT space allocated directly v2
This avoids binding them later on.
v2: fix typo in function name
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index e97dfe888d55..7064d31f0be5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -681,6 +681,31 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) sg_free_table(ttm->sg); } +static int amdgpu_ttm_do_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + uint64_t flags; + int r; + + spin_lock(>t->adev->gtt_list_lock); + flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, mem); + gtt->offset = (u64)mem->start << PAGE_SHIFT; + r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, + ttm->pages, gtt->ttm.dma_address, flags); + + if (r) { + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + ttm->num_pages, gtt->offset); + goto error_gart_bind; + } + + list_add_tail(>t->list, >t->adev->gtt_list); +error_gart_bind: + spin_unlock(>t->adev->gtt_list_lock); + return r; + +} + static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { @@ -704,7 +729,10 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, bo_mem->mem_type == AMDGPU_PL_OA) return -EINVAL; - return 0; + if (amdgpu_gtt_mgr_is_allocated(bo_mem)) + r = amdgpu_ttm_do_bind(ttm, bo_mem); + + return r; } bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) @@ -717,8 +745,6 @@ bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) { struct ttm_tt *ttm = bo->ttm; - struct amdgpu_ttm_tt *gtt = (void *)bo->ttm; - uint64_t flags; int r; if (!ttm || amdgpu_ttm_is_bound(ttm)) @@ -731,22 +757,7 @@ int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) return r; } - spin_lock(>t->adev->gtt_list_lock); - flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); - gtt->offset = (u64)bo_mem->start << PAGE_SHIFT; - r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, - ttm->pages, gtt->ttm.dma_address, flags); - - if (r) { - DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", - ttm->num_pages, gtt->offset); - goto error_gart_bind; - } - - list_add_tail(>t->list, >t->adev->gtt_list); -error_gart_bind: - spin_unlock(>t->adev->gtt_list_lock); - return r; + return amdgpu_ttm_do_bind(ttm, bo_mem); } int amdgpu_ttm_recover_gart(struct amdgpu_device *adev) |