diff options
| author | Christian König <christian.koenig@amd.com> | 2017-04-20 12:11:47 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-04-28 17:32:52 -0400 |
| commit | 4fcae787866915161f22d627328fa8d2e13d215b (patch) | |
| tree | 39cb77afc487abb8816f61ef6729225be808b8ee /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 4bae05e196c518c2c95022fbdbee551bbc6893a5 (diff) | |
drm/amdgpu: fix amdgpu_ttm_bo_eviction_valuable
BOs not mapped into the GART are always valuable for an eviction. Otherwise we
don't correctly swap them out on VRAM evictions during memory pressure.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 23f7fe8fdc3d..eadbcfad2299 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1040,11 +1040,17 @@ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, const struct ttm_place *place) { - if (bo->mem.mem_type == TTM_PL_VRAM && - bo->mem.start == AMDGPU_BO_INVALID_OFFSET) { - unsigned long num_pages = bo->mem.num_pages; - struct drm_mm_node *node = bo->mem.mm_node; + unsigned long num_pages = bo->mem.num_pages; + struct drm_mm_node *node = bo->mem.mm_node; + if (bo->mem.start != AMDGPU_BO_INVALID_OFFSET) + return ttm_bo_eviction_valuable(bo, place); + + switch (bo->mem.mem_type) { + case TTM_PL_TT: + return true; + + case TTM_PL_VRAM: /* Check each drm MM node individually */ while (num_pages) { if (place->fpfn < (node->start + node->size) && @@ -1054,8 +1060,10 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, num_pages -= node->size; ++node; } + break; - return false; + default: + break; } return ttm_bo_eviction_valuable(bo, place); |