Commit 73baf72e authored by Jouni Högander's avatar Jouni Högander
Browse files

drm/i915/psr: Store pr_dpcd in intel_dp 



We need pr_dpcd contents for early transport validity check on eDP Panel
Replay and in debugfs interface to dump out panel early transport
capability. Also remove unnecessarily printing out "Panel replay is not
supported by panel"

v2: commit message modified

Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarAnimesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240528114455.175961-2-jouni.hogander@intel.com
parent c34474b4

drivers/gpu/drm/i915/display/intel_display_types.h

+1 −0
Original line number Diff line number Diff line
@@ -1743,6 +1743,7 @@ struct intel_dp { 
	bool use_max_params;

	u8 dpcd[DP_RECEIVER_CAP_SIZE];

	u8 psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];

	u8 pr_dpcd;

	u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];

	u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE];

	u8 lttpr_common_caps[DP_LTTPR_COMMON_CAP_SIZE];

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

+6 −13
Original line number Diff line number Diff line
@@ -559,20 +559,10 @@ static void intel_dp_get_su_granularity(struct intel_dp *intel_dp) 
static void _panel_replay_init_dpcd(struct intel_dp *intel_dp)

{

	struct drm_i915_private *i915 = dp_to_i915(intel_dp);

	u8 pr_dpcd = 0;



	intel_dp->psr.sink_panel_replay_support = false;

	drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, &pr_dpcd);



	if (!(pr_dpcd & DP_PANEL_REPLAY_SUPPORT)) {

		drm_dbg_kms(&i915->drm,

			    "Panel replay is not supported by panel\n");

		return;

	}



	intel_dp->psr.sink_panel_replay_support = true;



	if (pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)

	if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)

		intel_dp->psr.sink_panel_replay_su_support = true;



	drm_dbg_kms(&i915->drm,
@@ -630,10 +620,13 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp) 


void intel_psr_init_dpcd(struct intel_dp *intel_dp)

{

	_panel_replay_init_dpcd(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,

			  &intel_dp->pr_dpcd);



	if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SUPPORT)

		_panel_replay_init_dpcd(intel_dp);



	if (intel_dp->psr_dpcd[0])

		_psr_init_dpcd(intel_dp);