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authorAlex Deucher <alexdeucher@gmail.com>2010-07-27 02:51:53 +0400
committerDave Airlie <airlied@redhat.com>2010-08-02 04:06:18 +0400
commit812d046915f48236657f02c06d7dc47140e9ceda (patch)
tree77a9c724a2316593fa22f7442d5c4a8d00c9af32 /drivers/gpu/drm/radeon/rv770d.h
parent833ee5c4ab36937a99e63935d7f06bc2c1f9343b (diff)
downloadlinux-812d046915f48236657f02c06d7dc47140e9ceda.tar.xz
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 <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770d.h')
-rw-r--r--drivers/gpu/drm/radeon/rv770d.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index fd733f268e3d..b7a5a20e81dc 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