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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
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