From f6bd79424cd02f5726c294916d9afb3cf031080c Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Wed, 8 Feb 2017 16:51:06 +0800 Subject: 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c') 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); -- cgit v1.2.3-70-g09d2