drm/i915/adl_p: Extend PLANE_WM bits for blocks & lines

ADL-P further extends the bits in PLANE_WM that represent blocks and
lines; we need to extend our masks accordingly.  Since these bits are
reserved and MBZ on earlier platforms, it's safe to use the larger
bitmask on all platforms.

Bspec: 50419
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-8-matthew.d.roper@intel.com

drivers/gpu/drm/i915/i915_reg.h

@@ -6429,8 +6429,8 @@ enum {
 #define _CUR_WM_TRANS_B_0	0x71168
 #define   PLANE_WM_EN		(1 << 31)
 #define   PLANE_WM_IGNORE_LINES	(1 << 30)
-#define   PLANE_WM_LINES_MASK	REG_GENMASK(21, 14)
-#define   PLANE_WM_BLOCKS_MASK	0x7ff /* skl+: 10 bits, icl+ 11 bits */
+#define   PLANE_WM_LINES_MASK	REG_GENMASK(26, 14)
+#define   PLANE_WM_BLOCKS_MASK	REG_GENMASK(11, 0)
 
 #define _CUR_WM_0(pipe) _PIPE(pipe, _CUR_WM_A_0, _CUR_WM_B_0)
 #define CUR_WM(pipe, level) _MMIO(_CUR_WM_0(pipe) + ((4) * (level)))