From 812d046915f48236657f02c06d7dc47140e9ceda Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 26 Jul 2010 18:51:53 -0400 Subject: drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush Use of HDP_*_COHERENCY_FLUSH_CNTL can cause a hang in certain situations. Add workaround. Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/rv770d.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/radeon/rv770d.h') diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index fd733f2..b7a5a20 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -133,6 +133,7 @@ #define HDP_NONSURFACE_SIZE 0x2C0C #define HDP_REG_COHERENCY_FLUSH_CNTL 0x54A0 #define HDP_TILING_CONFIG 0x2F3C +#define HDP_DEBUG1 0x2F34 #define MC_SHARED_CHMAP 0x2004 #define NOOFCHAN_SHIFT 12 -- cgit v1.1