drm/amdgpu: implement patch for fixing a known bug

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Implement a patch to maunally reset read pointer

v2: using ring assignment instead of amdgpu_ring_write. adding comments
for each steps in the patch function.
v3: fixing a typo bug.
v4: fixing a bug in v3.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Boyuan Zhang 2018-05-30 14:57:16 -04:00 • committed by Alex Deucher

parent d2314b48d6

commit 8a998052f2

1 changed files with 92 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

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