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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A2E8BCA9ED1 for ; Mon, 12 Oct 2026 15:12:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WqTRuxy4JCbeUVmltZ7TumMmhfcU2SDhW7r+G3YaiPw=; b=4qii5jTdzWFXacXA987j6VqsJ0 a6ZikkSMkRbpJA9rethq2Pt+q7ro1H8WlBUbKCicvdp3EL4+vB5dp1AcPjDklQQJ5/x3NXms5siop NorziNS6vUQVCIJchVGX3M+HWsFQ680NTleJccOLuPX3C8kQ+LFeQPLxTt6nfgC1E/UszCg9UFUbG BSjc5Wkc/j3sx5u4SErE30C42xxmwNkfl0xh/427a5hP7K6ApOagJl+IKwZt7rpH3ggyy70u/YBmB hWIgc2vz+MJcJxEh/znc5cqSLPHR0xsbYle4i9+7//KAPEa+omHPJcHLdfwOD7K1SVAoIywsl5SY6 Uc0KdCGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGHh9-0000000AlfF-1bJm; Mon, 12 Oct 2026 15:12:07 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xGHh4-0000000Alby-0gcd for linux-mediatek@lists.infradead.org; Mon, 12 Oct 2026 15:12:06 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 96AB64E411FB; Mon, 12 Oct 2026 15:12:00 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 5C191601A6; Mon, 12 Oct 2026 15:12:00 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id CF73911D70C32; Mon, 12 Oct 2026 17:11:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1791817917; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=WqTRuxy4JCbeUVmltZ7TumMmhfcU2SDhW7r+G3YaiPw=; b=G5ut7oNHjVKVIx50wI9DjoIKDf7EaY9AeJjHYHX0+KaBnubMvRVbjCIPJ8BuPVcKd85Ywr IakX/TO8DcCGyoVbrugimLOGUmJcZkx1xrxqaVbTr2F+fACcS9BCrDbkMKHDDPO4TghOyM rsnzbI528489igc5MNAC1DNLs3ylb/jzUvdifqWpqFgcO3dTZtej5lTKFRxgCawRmA0Y/S ji/K/pY2N7T++W/0koUKS68wV0m7mTifJPnefQn5DstO2JEFaOUABTmdvAP9TZadTDepIq cSHtd3plN3poUO/yX3y6FQW6WOq+ZBTUWuFGrX5HgY9CqMmB6B5/a0TcGnH4hQ== From: Kory Maincent Date: Mon, 12 Oct 2026 17:10:59 +0200 Subject: [PATCH RFC v3 4/8] drm/i915/display/dp: Read DPCD DSC capabilities in any case MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261012-feat_link_cap-v3-4-7517f4aba0f3@bootlin.com> References: <20261012-feat_link_cap-v3-0-7517f4aba0f3@bootlin.com> In-Reply-To: <20261012-feat_link_cap-v3-0-7517f4aba0f3@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Dmitry Baryshkov , Daniel Stone Cc: Thomas Petazzoni , Mark Yacoub , Sean Paul , Manasi Navare , Drew Davenport , Louis Chauvet , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Kory Maincent X-Mailer: b4 0.16.1-dev-17221 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261012_081205_266759_21204F39 X-CRM114-Status: GOOD ( 10.03 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org In preparation for the support of reporting the sink capabilities we need to read the DSC sink capabilities even if the source does not support it. Signed-off-by: Kory Maincent --- Change in v3: - New patch --- drivers/gpu/drm/i915/display/intel_dp.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 830fe6eda17d7..b769723a1c0fd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4521,12 +4521,7 @@ static void intel_edp_get_dsc_sink_cap(u8 edp_dpcd_rev, struct intel_connector * static void intel_dp_detect_dsc_caps(struct intel_dp *intel_dp, struct intel_connector *connector) { - struct intel_display *display = to_intel_display(intel_dp); - /* Read DP Sink DSC Cap DPCD regs for DP v1.4 */ - if (!HAS_DSC(display)) - return; - if (intel_dp_is_edp(intel_dp)) intel_edp_get_dsc_sink_cap(intel_dp->edp_dpcd[0], connector); -- 2.43.0