diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4987-drm-amdgpu-Fix-warning-in-dma_fence_is_later-on-resu.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4987-drm-amdgpu-Fix-warning-in-dma_fence_is_later-on-resu.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4987-drm-amdgpu-Fix-warning-in-dma_fence_is_later-on-resu.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4987-drm-amdgpu-Fix-warning-in-dma_fence_is_later-on-resu.patch new file mode 100644 index 00000000..d1392d4a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4987-drm-amdgpu-Fix-warning-in-dma_fence_is_later-on-resu.patch @@ -0,0 +1,43 @@ +From 820cd8589182530c353f63c8b212c83b6a4fdc82 Mon Sep 17 00:00:00 2001 +From: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Date: Fri, 20 Jul 2018 11:42:24 -0400 +Subject: [PATCH 4987/5725] drm/amdgpu: Fix warning in dma_fence_is_later on + resume from S3. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Problem: +amdgpu_ttm_set_buffer_funcs_status destroys adev->mman.entity on suspend +without releasing adev->mman.bdev.man[TTM_PL_VRAM].move fence +so on resume the new drm_sched_entity.fence_context causes +the warning against the old fence context which is different. + +Fix: +When destroying sched_entity in amdgpu_ttm_set_buffer_funcs_status +release man->move and set the pointer to NULL. + +Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Raveendra Talabattula <raveendra.talabattula@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index addc397..5adaefc 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -2125,6 +2125,8 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) + } else { + drm_sched_entity_fini(adev->mman.entity.sched, + &adev->mman.entity); ++ dma_fence_put(man->move); ++ man->move = NULL; + } + + /* this just adjusts TTM size idea, which sets lpfn to the correct value */ +-- +2.7.4 + |