From 897d29ce229569bb497861c9673e6f828521384d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jouni=20H=C3=B6gander?= Date: Wed, 19 Jun 2024 09:21:21 +0300 Subject: [PATCH] drm/i915/psr: Check panel ALPM capability for eDP Panel Replay MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Our HW doesn't support Panel Replay without AUX_LESS ALPM on eDP. Check panel support for this and prevent eDP panel replay if it doesn't exits. Bspec: 68920 v3: remove excessive parens v2: use intel_alpm_aux_less_wake_supported Signed-off-by: Jouni Högander Reviewed-by: Animesh Manna Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-2-jouni.hogander@intel.com --- drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 0dbcaf6446244..777aaa26464e0 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -571,6 +571,13 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + if (intel_dp_is_edp(intel_dp) && + !intel_alpm_aux_less_wake_supported(intel_dp)) { + drm_dbg_kms(&i915->drm, + "Panel doesn't support AUX-less ALPM, eDP Panel Replay not possible\n"); + return; + } + intel_dp->psr.sink_panel_replay_support = true; if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT) -- 2.39.5