aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0657-drm-amdgpu-fix-fence-fallback-check.patch
blob: 7f4ac06b942a1b9feb5219a83f08d888c7c85182 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
From 2e5e7aaf37d15c73a0c3ee215e933be2a93ffc8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 3 Nov 2015 11:26:42 +0100
Subject: [PATCH 0657/1050] drm/amdgpu: fix fence fallback check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Interrupts are notorious unreliable, enable the fallback at
a couple of more places.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index b912539..2c485a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -342,6 +342,7 @@ static bool amdgpu_fence_enable_signaling(struct fence *f)
 	fence->fence_wake.func = amdgpu_fence_check_signaled;
 	__add_wait_queue(&ring->fence_drv.fence_queue, &fence->fence_wake);
 	fence_get(f);
+	amdgpu_fence_schedule_check(ring);
 	FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx);
 	return true;
 }
@@ -367,6 +368,7 @@ static int amdgpu_fence_ring_wait_seq(struct amdgpu_ring *ring, uint64_t seq)
 	if (atomic64_read(&ring->fence_drv.last_seq) >= seq)
 		return 0;
 
+	amdgpu_fence_schedule_check(ring);
 	wait_event(ring->fence_drv.fence_queue, (
 		   (signaled = amdgpu_fence_seq_signaled(ring, seq))));
 
-- 
1.9.1