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From b45931bb92fb4841a60e7bee9532df4c01d71c50 Mon Sep 17 00:00:00 2001
From: Chunming Zhou <David1.Zhou@amd.com>
Date: Thu, 14 Apr 2016 10:27:28 +0800
Subject: [PATCH 0505/1110] drm/amdgpu: double fence slot
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
we introduced vmid fence, so one hw submission could produce two fences.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 100f4c6..50e95ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -352,9 +352,9 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
setup_timer(&ring->fence_drv.fallback_timer, amdgpu_fence_fallback,
(unsigned long)ring);
- ring->fence_drv.num_fences_mask = num_hw_submission - 1;
+ ring->fence_drv.num_fences_mask = num_hw_submission * 2 - 1;
spin_lock_init(&ring->fence_drv.lock);
- ring->fence_drv.fences = kcalloc(num_hw_submission, sizeof(void *),
+ ring->fence_drv.fences = kcalloc(num_hw_submission * 2, sizeof(void *),
GFP_KERNEL);
if (!ring->fence_drv.fences)
return -ENOMEM;
--
2.7.4
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