From b9b603dd1c99a68e65ad51cda25379441df2e17b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Mon, 7 Aug 2006 20:41:53 +1000
Subject: drm: radeon: Use RADEON_RB3D_DSTCACHE_CTLSTAT instead of
 RADEON_RB2D_DSTCACHE_CTLSTAT.

The latter seems to be a read-only mirror of the former.

Signed-off-by: Dave Airlie <airlied@linux.ie>
---
 drivers/char/drm/radeon_cp.c  | 10 +++++-----
 drivers/char/drm/radeon_drv.h |  9 +++++++--
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 3956628..45f8044 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -864,13 +864,13 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 
 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
-	tmp = RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT);
-	tmp |= RADEON_RB2D_DC_FLUSH_ALL;
-	RADEON_WRITE(RADEON_RB2D_DSTCACHE_CTLSTAT, tmp);
+	tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
+	tmp |= RADEON_RB3D_DC_FLUSH_ALL;
+	RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
 
 	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
-		      & RADEON_RB2D_DC_BUSY)) {
+		if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
+		      & RADEON_RB3D_DC_BUSY)) {
 			return 0;
 		}
 		DRM_UDELAY(1);
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index b54b896..2f51d51 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -545,6 +545,11 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp,
 #	define RADEON_RB3D_ZC_FREE		(1 << 2)
 #	define RADEON_RB3D_ZC_FLUSH_ALL		0x5
 #	define RADEON_RB3D_ZC_BUSY		(1 << 31)
+#define RADEON_RB3D_DSTCACHE_CTLSTAT	0x325c
+#	define RADEON_RB3D_DC_FLUSH		(3 << 0)
+#	define RADEON_RB3D_DC_FREE		(3 << 2)
+#	define RADEON_RB3D_DC_FLUSH_ALL		0xf
+#	define RADEON_RB3D_DC_BUSY		(1 << 31)
 #define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
 #	define RADEON_Z_TEST_MASK		(7 << 4)
 #	define RADEON_Z_TEST_ALWAYS		(7 << 4)
@@ -987,12 +992,12 @@ do {									\
 } while (0)
 
 #define RADEON_FLUSH_CACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
+	OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) );	\
 	OUT_RING( RADEON_RB2D_DC_FLUSH );				\
 } while (0)
 
 #define RADEON_PURGE_CACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) );	\
+	OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) );	\
 	OUT_RING( RADEON_RB2D_DC_FLUSH_ALL );				\
 } while (0)
 
-- 
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