From 73baf72eb193c6a30d883a380f2f8d26fd6d5ff9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jouni=20H=C3=B6gander?= Date: Tue, 28 May 2024 14:44:51 +0300 Subject: [PATCH] drm/i915/psr: Store pr_dpcd in intel_dp MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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: Jouni Högander Reviewed-by: Animesh Manna Link: https://patchwork.freedesktop.org/patch/msgid/20240528114455.175961-2-jouni.hogander@intel.com --- .../drm/i915/display/intel_display_types.h | 1 + drivers/gpu/drm/i915/display/intel_psr.c | 19 ++++++------------- 2 files changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 9678c2b157f6..6fbfe8a18f45 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -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]; diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index f59238d3d484..08d3c8c81585 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -559,20 +559,10 @@ exit: 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); -- 2.50.1