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| author | Alex Deucher <alexdeucher@gmail.com> | 2009-09-21 14:48:45 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-09-21 14:48:45 +1000 |
| commit | aadd4e17452d3d5c2269cd2b000b7de7cfb6c79e (patch) | |
| tree | 7db901a331809805874891319e0624c055a08662 /drivers/gpu/drm/radeon/radeon_drv.h | |
| parent | 5a6e9f9658c853fea8ebbf64cd36287f00a011a2 (diff) | |
| download | blackbird-op-linux-aadd4e17452d3d5c2269cd2b000b7de7cfb6c79e.tar.gz blackbird-op-linux-aadd4e17452d3d5c2269cd2b000b7de7cfb6c79e.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_drv.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index bc79ad6199bc..cb0cfe4b3082 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -1099,6 +1099,9 @@ extern u32 radeon_get_scratch(drm_radeon_private_t *dev_priv, int index); # define RADEON_CSQ_PRIBM_INDBM (4 << 28) # define RADEON_CSQ_PRIPIO_INDPIO (15 << 28) +#define R300_CP_RESYNC_ADDR 0x0778 +#define R300_CP_RESYNC_DATA 0x077c + #define RADEON_AIC_CNTL 0x01d0 # define RADEON_PCIGART_TRANSLATE_EN (1 << 0) # define RS400_MSI_REARM (1 << 3) |
