drm/dp: Add Panel Replay capability bits from DP2.1 specification

Add PANEL REPLAY CAPABILITY register (0xb1) bits.

v3:
  - added DP_DSC_DECODE_CAPABILITY definitions
  - use defined shift instead of hardcoded value
v2: comment about DP2.1 changed as DP2.1a

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://lore.kernel.org/r/20250526120512.1702815-3-jouni.hogander@intel.com

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 3371e2edd9e9ea5b24914c41fdeca0c444d93ed6..811e9238a77cc5110dde798a9902a39495196272 100644 (file)
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -554,8 +554,18 @@
 
 #define DP_PANEL_REPLAY_CAP_SIZE       7
 
-#define DP_PANEL_REPLAY_CAP_CAPABILITY                 0xb1
-# define DP_PANEL_REPLAY_SU_GRANULARITY_REQUIRED       (1 << 5)
+#define DP_PANEL_REPLAY_CAP_CAPABILITY                                 0xb1
+# define DP_PANEL_REPLAY_DSC_DECODE_CAPABILITY_IN_PR_SHIFT                     1 /* DP 2.1a */
+# define DP_PANEL_REPLAY_DSC_DECODE_CAPABILITY_IN_PR_MASK                      (3 << DP_PANEL_REPLAY_DSC_DECODE_CAPABILITY_IN_PR_SHIFT)
+# define DP_DSC_DECODE_CAPABILITY_IN_PR_SUPPORTED                              0x00
+# define DP_DSC_DECODE_CAPABILITY_IN_PR_FULL_FRAME_ONLY                                0x01
+# define DP_DSC_DECODE_CAPABILITY_IN_PR_NOT_SUPPORTED                          0x02
+# define DP_DSC_DECODE_CAPABILITY_IN_PR_RESERVED                               0x03
+# define DP_PANEL_REPLAY_ASYNC_VIDEO_TIMING_NOT_SUPPORTED_IN_PR                        (1 << 3)
+# define DP_PANEL_REPLAY_DSC_CRC_OF_MULTIPLE_SUS_SUPPORTED                     (1 << 4)
+# define DP_PANEL_REPLAY_SU_GRANULARITY_REQUIRED                               (1 << 5)
+# define DP_PANEL_REPLAY_SU_Y_GRANULARITY_EXTENDED_CAPABILITY_SUPPORTED                (1 << 6)
+# define DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP      (1 << 7)
 
 #define DP_PANEL_REPLAY_CAP_X_GRANULARITY              0xb2
 #define DP_PANEL_REPLAY_CAP_Y_GRANULARITY              0xb4