drm/radeon: fix pixcache and purge/cache flushing registers

Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/char/drm/r300_reg.h

@@ -1346,7 +1346,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 /* Guess by Vladimir.
  * Set to 0A before 3D operations, set to 02 afterwards.
  */
-#define R300_RB3D_DSTCACHE_CTLSTAT          0x4E4C
+/*#define R300_RB3D_DSTCACHE_CTLSTAT          0x4E4C*/
 #       define R300_RB3D_DSTCACHE_UNKNOWN_02             0x00000002
 #       define R300_RB3D_DSTCACHE_UNKNOWN_0A             0x0000000A
 

drivers/char/drm/radeon_cp.c

@@ -161,6 +161,7 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 
 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {
 		tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
 		tmp |= RADEON_RB3D_DC_FLUSH_ALL;
 		RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
@@ -172,6 +173,25 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 			}
 			DRM_UDELAY(1);
 		}
+	} else {
+		/* 3D */
+		tmp = RADEON_READ(R300_RB3D_DSTCACHE_CTLSTAT);
+		tmp |= RADEON_RB3D_DC_FLUSH_ALL;
+		RADEON_WRITE(R300_RB3D_DSTCACHE_CTLSTAT, tmp);
+
+		/* 2D */
+		tmp = RADEON_READ(RADEON_RB2D_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_RB3D_DC_BUSY)) {
+				return 0;
+			}
+			DRM_UDELAY(1);
+		}
+	}
 
 #if RADEON_FIFO_DEBUG
 	DRM_ERROR("failed!\n");

drivers/char/drm/radeon_drv.h

@@ -659,11 +659,18 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 #	define RADEON_RB3D_ZC_FREE		(1 << 2)
 #	define RADEON_RB3D_ZC_FLUSH_ALL		0x5
 #	define RADEON_RB3D_ZC_BUSY		(1 << 31)
+#define R300_ZB_ZCACHE_CTLSTAT                  0x4f18
+#	define R300_ZC_FLUSH		        (1 << 0)
+#	define R300_ZC_FREE		        (1 << 1)
+#	define R300_ZC_FLUSH_ALL		0x3
+#	define R300_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 R300_RB3D_DSTCACHE_CTLSTAT              0x4e4c
+#	define R300_RB3D_DC_FINISH		(1 << 4)
 #define RADEON_RB3D_ZSTENCILCNTL	0x1c2c
 #	define RADEON_Z_TEST_MASK		(7 << 4)
 #	define RADEON_Z_TEST_ALWAYS		(7 << 4)
@@ -1178,23 +1185,43 @@ do {									\
 } while (0)
 
 #define RADEON_FLUSH_CACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) );	\
-	OUT_RING( RADEON_RB3D_DC_FLUSH );				\
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {	\
+		OUT_RING(CP_PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_DC_FLUSH);				\
+	} else {                                                        \
+		OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_DC_FLUSH);				\
+	}                                                               \
 } while (0)
 
 #define RADEON_PURGE_CACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) );	\
-	OUT_RING( RADEON_RB3D_DC_FLUSH_ALL );				\
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {	\
+		OUT_RING(CP_PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_DC_FLUSH_ALL);			\
+	} else {                                                        \
+		OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_DC_FLUSH_ALL);			\
+	}                                                               \
 } while (0)
 
 #define RADEON_FLUSH_ZCACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
-	OUT_RING( RADEON_RB3D_ZC_FLUSH );				\
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {	\
+		OUT_RING(CP_PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_ZC_FLUSH);				\
+	} else {                                                        \
+		OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0));	\
+		OUT_RING(R300_ZC_FLUSH);				\
+	}                                                               \
 } while (0)
 
 #define RADEON_PURGE_ZCACHE() do {					\
-	OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) );	\
-	OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL );				\
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {	\
+		OUT_RING(CP_PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));	\
+		OUT_RING(RADEON_RB3D_ZC_FLUSH_ALL);			\
+	} else {                                                        \
+		OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));	\
+		OUT_RING(R300_ZC_FLUSH_ALL);				\
+	}                                                               \
 } while (0)
 
 /* ================================================================