diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3720-drm-amdgpu-drop-the-backing-store-when-DMA-buf-impor.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3720-drm-amdgpu-drop-the-backing-store-when-DMA-buf-impor.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3720-drm-amdgpu-drop-the-backing-store-when-DMA-buf-impor.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3720-drm-amdgpu-drop-the-backing-store-when-DMA-buf-impor.patch new file mode 100644 index 00000000..05c1189f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3720-drm-amdgpu-drop-the-backing-store-when-DMA-buf-impor.patch @@ -0,0 +1,38 @@ +From a16204bf42369212b7de91896051a24b8980c785 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Tue, 20 Feb 2018 19:09:56 +0100 +Subject: [PATCH 3720/4131] drm/amdgpu: drop the backing store when DMA-buf + imports are evicted +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Instead of moving this to the SYSTEM domain just drop the backing store +and let the resulting allocation be freed. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Acked-by: Roger He <Hongbo.He@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index b5ba7eb..5d37184 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -221,6 +221,12 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, + .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM + }; + ++ if (bo->type == ttm_bo_type_sg) { ++ placement->num_placement = 0; ++ placement->num_busy_placement = 0; ++ return; ++ } ++ + if (!amdgpu_ttm_bo_is_amdgpu_bo(bo)) { + placement->placement = &placements; + placement->busy_placement = &placements; +-- +2.7.4 + |