diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch b/common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch new file mode 100644 index 00000000..703409f6 --- /dev/null +++ b/common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch @@ -0,0 +1,37 @@ +From 552c4f34713282ab51ecd042ae79926d94d7c1ea Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Mon, 14 Mar 2016 14:49:33 +0100 +Subject: [PATCH 0402/1110] drm/amdgpu: drop the extra fence range check v2 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Amdgpu doesn't support using scratch registers for fences any more. +So we won't see values like 0xdeadbeef as fence value any more. + +v2: reschedule timer even if no change detected + +Signed-off-by: Christian König <christian.koenig@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Chunming Zhou <david1.zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 3 --- + 1 file changed, 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +index c5980c4..fa4eabe 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +@@ -190,9 +190,6 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) + seq |= last_emitted & 0xffffffff00000000LL; + } + +- if (seq <= last_seq || seq > last_emitted) +- return; +- + } while (atomic64_cmpxchg(&drv->last_seq, last_seq, seq) != last_seq); + + if (seq < last_emitted) +-- +2.7.4 + |