diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2805-drm-amdgpu-Fix-amdgpu_sync_add_later-to-preserve-exp.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2805-drm-amdgpu-Fix-amdgpu_sync_add_later-to-preserve-exp.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2805-drm-amdgpu-Fix-amdgpu_sync_add_later-to-preserve-exp.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2805-drm-amdgpu-Fix-amdgpu_sync_add_later-to-preserve-exp.patch new file mode 100644 index 00000000..cf14739e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2805-drm-amdgpu-Fix-amdgpu_sync_add_later-to-preserve-exp.patch @@ -0,0 +1,56 @@ +From 19407fef3bf146e229173ba731ac56af5542cad6 Mon Sep 17 00:00:00 2001 +From: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Date: Tue, 5 Dec 2017 08:03:13 -0500 +Subject: [PATCH 2805/4131] drm/amdgpu: Fix amdgpu_sync_add_later to preserve + explicit flag. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +index 2a30c3f..6313edc 100755 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +@@ -130,7 +130,7 @@ static void amdgpu_sync_keep_later(struct dma_fence **keep, + * Tries to add the fence to an existing hash entry. Returns true when an entry + * was found, false otherwise. + */ +-static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f) ++static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f, bool explicit) + { + struct amdgpu_sync_entry *e; + +@@ -139,6 +139,10 @@ static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f) + continue; + + amdgpu_sync_keep_later(&e->fence, f); ++ ++ /* Preserve eplicit flag to not loose pipe line sync */ ++ e->explicit |= explicit; ++ + return true; + } + return false; +@@ -158,12 +162,11 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, + + if (!f) + return 0; +- + if (amdgpu_sync_same_dev(adev, f) && + amdgpu_sync_get_owner(f) == AMDGPU_FENCE_OWNER_VM) + amdgpu_sync_keep_later(&sync->last_vm_update, f); + +- if (amdgpu_sync_add_later(sync, f)) ++ if (amdgpu_sync_add_later(sync, f, explicit)) + return 0; + + e = kmem_cache_alloc(amdgpu_sync_slab, GFP_KERNEL); +-- +2.7.4 + |