[PATCH 5/9] drm/display: Add mask definitions for DP_PAYLOAD_ALLOCATE_* registers

[Paweł Anikiel]

Each of these registers contains a single value, but not the entire
8 bits:

DP_PAYLOAD_ALLOCATE_SET - Bit 7 Reserved
DP_PAYLOAD_ALLOCATE_START_TIME_SLOT - Bits 7:6 Reserved
DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT - Bits 7:6 Reserved

Add definitions to properly mask off values read from these registers.

Signed-off-by: Paweł Anikiel <panikiel at google.com>
---
 include/drm/display/drm_dp.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 3731828825bd..9dee30190f14 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -733,8 +733,13 @@
 # define DP_PANEL_REPLAY_SU_ENABLE                      (1 << 6)
 
 #define DP_PAYLOAD_ALLOCATE_SET		    0x1c0
-#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
-#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
+# define DP_PAYLOAD_ALLOCATE_SET_MASK	    0x7f
+
+#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT		0x1c1
+# define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT_MASK	0x3f
+
+#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT		0x1c2
+# define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT_MASK	0x3f
 
 /* Link/Sink Device Status */
 #define DP_SINK_COUNT			    0x200
-- 
2.43.0.687.g38aa6559b0-goog