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-rw-r--r--common/recipes-kernel/linux/files/0402-drm-amdgpu-drop-the-extra-fence-range-check-v2.patch37
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
+