drm/radeon/kms: allow r500 US_FORMAT regs in the CS checker

add to the 2.8 bump for pageflip

The purpose of these regs is to work around a TX hw bug in R520.
Signed-off-by: NMarek Olšák <maraeo@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/radeon_drv.c

@@ -48,7 +48,7 @@
  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
- *   2.8.0 - pageflip support
+ *   2.8.0 - pageflip support, r500 US_FORMAT regs.
  */
 #define KMS_DRIVER_MAJOR	2
 #define KMS_DRIVER_MINOR	8

drivers/gpu/drm/radeon/reg_srcs/rv515

@@ -304,6 +304,22 @@ rv515 0x6d40
 0x4630 US_CODE_ADDR
 0x4634 US_CODE_RANGE
 0x4638 US_CODE_OFFSET
+0x4640 US_FORMAT0_0
+0x4644 US_FORMAT0_1
+0x4648 US_FORMAT0_2
+0x464C US_FORMAT0_3
+0x4650 US_FORMAT0_4
+0x4654 US_FORMAT0_5
+0x4658 US_FORMAT0_6
+0x465C US_FORMAT0_7
+0x4660 US_FORMAT0_8
+0x4664 US_FORMAT0_9
+0x4668 US_FORMAT0_10
+0x466C US_FORMAT0_11
+0x4670 US_FORMAT0_12
+0x4674 US_FORMAT0_13
+0x4678 US_FORMAT0_14
+0x467C US_FORMAT0_15
 0x46A4 US_OUT_FMT_0
 0x46A8 US_OUT_FMT_1
 0x46AC US_OUT_FMT_2