From: Christian König Date: Thu, 20 Apr 2017 10:11:47 +0000 (+0200) Subject: drm/amdgpu: fix amdgpu_ttm_bo_eviction_valuable X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4fcae787866915161f22d627328fa8d2e13d215b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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);