From aadd4e17452d3d5c2269cd2b000b7de7cfb6c79e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 21 Sep 2009 14:48:45 +1000 Subject: 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 --- drivers/gpu/drm/radeon/radeon_drv.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_drv.h') diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index bc79ad6199b..cb0cfe4b308 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) -- cgit v1.2.3