drm/radeon: add regs required for occlusion queries support

[airlied: cleaned up slightly for drm-next]

Signed-off-by: Maciej Cencora <m.cencora@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 3efa633..cb2e470 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -207,6 +207,10 @@
 	ADD_RANGE(0x42C0, 2);
 	ADD_RANGE(R300_RS_CNTL_0, 2);
 
+	ADD_RANGE(R300_SU_REG_DEST, 1);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530)
+		ADD_RANGE(RV530_FG_ZBREG_DEST, 1);
+
 	ADD_RANGE(R300_SC_HYPERZ, 2);
 	ADD_RANGE(0x43E8, 1);
 
@@ -232,6 +236,7 @@
 	ADD_RANGE(R300_ZB_DEPTHPITCH, 1);
 	ADD_RANGE(R300_ZB_DEPTHCLEARVALUE, 1);
 	ADD_RANGE(R300_ZB_ZMASK_OFFSET, 13);
+	ADD_RANGE(R300_ZB_ZPASS_DATA, 2); /* ZB_ZPASS_DATA, ZB_ZPASS_ADDR */
 
 	ADD_RANGE(R300_TX_FILTER_0, 16);
 	ADD_RANGE(R300_TX_FILTER1_0, 16);