diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0940-drm-amdgpu-fix-NULL-fence-handling-in-amdgpu_cs_fenc.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0940-drm-amdgpu-fix-NULL-fence-handling-in-amdgpu_cs_fenc.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0940-drm-amdgpu-fix-NULL-fence-handling-in-amdgpu_cs_fenc.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0940-drm-amdgpu-fix-NULL-fence-handling-in-amdgpu_cs_fenc.patch new file mode 100644 index 00000000..662e32bf --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0940-drm-amdgpu-fix-NULL-fence-handling-in-amdgpu_cs_fenc.patch @@ -0,0 +1,36 @@ +From 9260fa6b907678e7e58cb6b14cde723bcb18a8cd Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Mon, 3 Dec 2018 14:05:34 +0100 +Subject: [PATCH 0940/2940] drm/amdgpu: fix NULL fence handling in + amdgpu_cs_fence_to_handle_ioctl +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When the fence is already signaled it is perfectly normal to get a NULL +fence here. But since we can't export that we need to use a stub fence. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Chunming Zhou <david1.zhou@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +index 2bcd3d74de5d..b5258697a4f8 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +@@ -1432,6 +1432,9 @@ int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data, + if (IS_ERR(fence)) + return PTR_ERR(fence); + ++ if (!fence) ++ fence = dma_fence_get_stub(); ++ + switch (info->in.what) { + case AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ: + r = drm_syncobj_create(&syncobj, 0, fence); +-- +2.17.1 + |