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| author | Monk Liu <Monk.Liu@amd.com> | 2017-02-08 16:51:06 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:53:14 -0400 |
| commit | f6bd79424cd02f5726c294916d9afb3cf031080c (patch) | |
| tree | f4ed9e0b213d631532ec7b49d66b16f34fcc6970 /drivers/gpu/drm/amd/amdgpu | |
| parent | c79ecfbf5bba298ab5716536fa9cb68533bb5c26 (diff) | |
| download | linux-f6bd79424cd02f5726c294916d9afb3cf031080c.tar.bz2 | |
drm/amdgpu:use clear_ring to clr RB
In resume routine, we need clr RB prior to the
ring test of engine, otherwise some engine hang
duplicated during GPU reset.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 1 |
3 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 7c842b7f1004..cead88ac3788 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -230,7 +230,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, dev_err(adev->dev, "(%d) ring create failed\n", r); return r; } - memset((void *)ring->ring, 0, ring->ring_size); + amdgpu_ring_clear_ring(ring); } ring->ptr_mask = (ring->ring_size / 4) - 1; ring->max_dw = max_dw; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index b2bfee3e5b67..e09dd5e5b58a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4515,6 +4515,7 @@ static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev) } /* start the ring */ + amdgpu_ring_clear_ring(ring); gfx_v8_0_cp_gfx_start(adev); ring->ready = true; r = amdgpu_ring_test_ring(ring); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 47e6f146aa25..1ac876fe3d5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -615,6 +615,7 @@ static int sdma_v3_0_gfx_resume(struct amdgpu_device *adev) for (i = 0; i < adev->sdma.num_instances; i++) { ring = &adev->sdma.instance[i].ring; + amdgpu_ring_clear_ring(ring); wb_offset = (ring->rptr_offs * 4); mutex_lock(&adev->srbm_mutex); |