drm/radeon: work around a hw bug in MGCG on CIK

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Always need to set bit 0 of RLC_CGTT_MGCG_OVERRIDE
to avoid unreliable doorbell updates in some cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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Alex Deucher 2014-11-17 15:08:17 -05:00

parent 3feba08d79

commit 4bb62c95a7

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/radeon/cik.c

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