Commit 07cc32ec authored by Jouni Högander's avatar Jouni Högander
Browse files

drm/panelreplay: Panel Replay capability DPCD register definitions 



Add new definition for size of Panel Replay DPCD capability registers
area. Rename existing definitions to group capability registers together.

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/20250526120512.1702815-2-jouni.hogander@intel.com
parent 7ce53db1

drivers/gpu/drm/i915/display/intel_psr.c

+4 −4
Original line number Diff line number Diff line
@@ -516,7 +516,7 @@ static u8 intel_dp_get_su_capability(struct intel_dp *intel_dp) 


	if (intel_dp->psr.sink_panel_replay_su_support)

		drm_dp_dpcd_readb(&intel_dp->aux,

				  DP_PANEL_PANEL_REPLAY_CAPABILITY,

				  DP_PANEL_REPLAY_CAP_CAPABILITY,

				  &su_capability);

	else

		su_capability = intel_dp->psr_dpcd[1];
@@ -528,7 +528,7 @@ static unsigned int 
intel_dp_get_su_x_granularity_offset(struct intel_dp *intel_dp)

{

	return intel_dp->psr.sink_panel_replay_su_support ?

		DP_PANEL_PANEL_REPLAY_X_GRANULARITY :

		DP_PANEL_REPLAY_CAP_X_GRANULARITY :

		DP_PSR2_SU_X_GRANULARITY;

}
@@ -536,7 +536,7 @@ static unsigned int 
intel_dp_get_su_y_granularity_offset(struct intel_dp *intel_dp)

{

	return intel_dp->psr.sink_panel_replay_su_support ?

		DP_PANEL_PANEL_REPLAY_Y_GRANULARITY :

		DP_PANEL_REPLAY_CAP_Y_GRANULARITY :

		DP_PSR2_SU_Y_GRANULARITY;

}
@@ -676,7 +676,7 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) 
{

	drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,

			 sizeof(intel_dp->psr_dpcd));

	drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP,

	drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP_SUPPORT,

			  &intel_dp->pr_dpcd);



	if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SUPPORT)

include/drm/display/drm_dp.h

+7 −5
Original line number Diff line number Diff line
@@ -547,16 +547,18 @@ 
/* DFP Capability Extension */

#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT	0x0a3	/* 2.0 */



#define DP_PANEL_REPLAY_CAP				0x0b0  /* DP 2.0 */

#define DP_PANEL_REPLAY_CAP_SUPPORT			0x0b0  /* DP 2.0 */

# define DP_PANEL_REPLAY_SUPPORT			(1 << 0)

# define DP_PANEL_REPLAY_SU_SUPPORT			(1 << 1)

# define DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT	(1 << 2) /* eDP 1.5 */



#define DP_PANEL_PANEL_REPLAY_CAPABILITY		0xb1

# define DP_PANEL_PANEL_REPLAY_SU_GRANULARITY_REQUIRED	(1 << 5)

#define DP_PANEL_REPLAY_CAP_SIZE	7



#define DP_PANEL_PANEL_REPLAY_X_GRANULARITY		0xb2

#define DP_PANEL_PANEL_REPLAY_Y_GRANULARITY		0xb4

#define DP_PANEL_REPLAY_CAP_CAPABILITY			0xb1

# define DP_PANEL_REPLAY_SU_GRANULARITY_REQUIRED	(1 << 5)



#define DP_PANEL_REPLAY_CAP_X_GRANULARITY		0xb2

#define DP_PANEL_REPLAY_CAP_Y_GRANULARITY		0xb4



/* Link Configuration */

#define	DP_LINK_BW_SET		            0x100