From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D4E8B1073CBF for ; Wed, 8 Apr 2026 14:01:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6DFB210E67E; Wed, 8 Apr 2026 14:01:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="bsSdygc7"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 581BD10E682; Wed, 8 Apr 2026 14:01:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775656914; x=1807192914; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=K7ziiDprh8UQTTtJwGpmLUGjs9VlqDrFGatnNbdl9LY=; b=bsSdygc7GfWYI097gVcpHK86IRwfkMu42kMzMuS6rO+D5seNFVetALpP dz59EZ3u43z8WuMjDKTbCdsA62jaS6Yjscng0f4lXROJVcPNC+zPlCylU 4C8JKWe/TtKj7FEuS3knLFfgStr/yYfCbrra0C89N1kNuLJygPzVj1Yaj MvP96Bb99hrINpJMFVAk0KkJ8F6w0gaxHWLk/YlT1QOfs+2hNuce+ZBYD eNPVkhA8adihN1pUjvDuwjmAybyKF6v1UxhrocieSqTVXGMx/HeVMrH99 J6mQKyohPywVv0wOlyekFWmWyr8A141sZB5iMebiyYq4X35fEwKQUBaIu w==; X-CSE-ConnectionGUID: AvPSX7RJRyiP4mBrhW3K0g== X-CSE-MsgGUID: riB38m4eTbywR2VGAS2mJQ== X-IronPort-AV: E=McAfee;i="6800,10657,11753"; a="75811576" X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="75811576" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 07:01:28 -0700 X-CSE-ConnectionGUID: QTfaQtBWT+aSrgBcyPwGkw== X-CSE-MsgGUID: 3TVsrIlaS0aATW7DDH1xmw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="228726695" Received: from smoticic-mobl1.ger.corp.intel.com (HELO jhogande-mobl3.intel.com) ([10.245.244.251]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 07:01:27 -0700 From: =?UTF-8?q?Jouni=20H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: =?UTF-8?q?Jouni=20H=C3=B6gander?= Subject: [PATCH 6/7] drm/i915/psr: Dump out PSR and Panel Replay DPCD registers Date: Wed, 8 Apr 2026 17:00:58 +0300 Message-ID: <20260408140059.252067-7-jouni.hogander@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260408140059.252067-1-jouni.hogander@intel.com> References: <20260408140059.252067-1-jouni.hogander@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add dumping out PSR and Panel Replay DPCD registers after reading them. This helps parsing dmesg logs and tracing possible PSR/Panel Replay issues. Signed-off-by: Jouni Högander --- 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 0adaba7e8f7a..129ba0da19ee 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -608,6 +608,10 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp, struct intel_conn if (ret < 0) return; + drm_dbg_kms(display->drm, "Panel Replay DPCD: %*ph\n", + DP_PANEL_REPLAY_CAP_SIZE, + connector->dp.panel_replay_caps.dpcd); + if (!(connector->dp.panel_replay_caps.dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)] & DP_PANEL_REPLAY_SUPPORT)) return; @@ -656,6 +660,9 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *co if (ret < 0) return; + drm_dbg_kms(display->drm, "PSR DPCD: %*ph\n", EDP_PSR_RECEIVER_CAP_SIZE, + connector->dp.psr_caps.dpcd); + if (!connector->dp.psr_caps.dpcd[INTEL_PSR_DPCD_INDEX(DP_PSR_SUPPORT)]) return; -- 2.43.0