drm/amdgpu: clear RB at ring init

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This help fix reloading driver hang issue of SDMA
ring.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Monk Liu 2016-06-01 17:37:21 -04:00 • committed by Alex Deucher

parent 5dd0775e50

commit cc7d8c7979

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c

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