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(parent: 028ef86) | patch
drm/radeon: some r420s have a CP race with the DMA engine.
authorAlex Deucher <alexdeucher@gmail.com>
Mon, 21 Sep 2009 04:48:45 +0000 (14:48 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 21 Sep 2009 04:48:45 +0000 (14:48 +1000)
commitd063cf1f2c2c2af5a4a05e8278822fe12e0f0922
tree7db901a331809805874891319e0624c055a08662tree | snapshot
parent028ef864d68362761978c15225898a033bc00adfcommit | diff
drm/radeon: some r420s have a CP race with the DMA engine.

This patch makes sure the CP doesn't DMA do VRAM while 2D
is active by inserting a CP resync token.

todo: port to kms.

Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_cp.c diff | blob | history
drivers/gpu/drm/radeon/radeon_drv.h diff | blob | history
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