Commit 3e61b092 authored by Jouni Högander's avatar Jouni Högander
Browse files

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: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Acked-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://lore.kernel.org/r/20250526120512.1702815-3-jouni.hogander@intel.com
parent 07cc32ec

include/drm/display/drm_dp.h

+12 −2
Original line number Diff line number Diff line
@@ -555,7 +555,17 @@ 
#define DP_PANEL_REPLAY_CAP_SIZE	7



#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