drm/radeon: align ring writes to 16 dwords boundaries.

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On some radeon GPUs this appears to introduce another level of
stability around interacting with the ring.

Its pretty much what fglrx appears to do.

Signed-off-by: Dave Airlie <airlied@redhat.com>

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Dave Airlie 2009-02-20 13:28:34 +10:00

parent cd00f95aff

commit 4247ca942a

2 changed files with 41 additions and 11 deletions

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32

drivers/gpu/drm/radeon/radeon_cp.c

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20

drivers/gpu/drm/radeon/radeon_drv.h

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