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| author | Christian König <christian.koenig@amd.com> | 2018-04-05 16:42:03 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:43:05 -0500 |
| commit | 5422a28fe86f9f77480471385e0a416c27a9ca72 (patch) | |
| tree | 3fda88b779e1f2505ee90ec61b9a369003e2038c /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | f1018f50d48395b4a189bf8ea9af1e4441209cfd (diff) | |
| download | linux-5422a28fe86f9f77480471385e0a416c27a9ca72.tar.bz2 | |
drm/amdgpu: fix and cleanup cpu visible VRAM handling
The detection if a BO was placed in CPU visible VRAM was incorrect.
Fix it and merge it with the correct detection in amdgpu_ttm.c
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 205da3ff9cd0..ab73300e6c7f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -223,20 +223,8 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, if (!adev->mman.buffer_funcs_enabled) { amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU); } else if (adev->gmc.visible_vram_size < adev->gmc.real_vram_size && - !(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)) { - unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; - struct drm_mm_node *node = bo->mem.mm_node; - unsigned long pages_left; - - for (pages_left = bo->mem.num_pages; - pages_left; - pages_left -= node->size, node++) { - if (node->start < fpfn) - break; - } - - if (!pages_left) - goto gtt; + !(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) && + amdgpu_bo_in_cpu_visible_vram(abo)) { /* Try evicting to the CPU inaccessible part of VRAM * first, but only set GTT as busy placement, so this @@ -245,12 +233,11 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, */ amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT); - abo->placements[0].fpfn = fpfn; + abo->placements[0].fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; abo->placements[0].lpfn = 0; abo->placement.busy_placement = &abo->placements[1]; abo->placement.num_busy_placement = 1; } else { -gtt: amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_GTT); } break; |