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 54F84CD5BC8 for ; Sat, 23 May 2026 19:46:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B186210E6BF; Sat, 23 May 2026 19:46:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="iNi8yvRe"; dkim-atps=neutral Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 82EDD10E676; Sat, 23 May 2026 19:46:36 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1779565586; cv=none; d=zohomail.com; s=zohoarc; b=g5eslkFU6W8Q8XdvE/G7bw+AWYwNR0cLnvO8aqaJxMFAA6hgZ5oiiDeLWT6C5sgCtSAK53EXKubaoDMvWohRE3uas4x71NaH48f110FwFy9PxL1UHmFXk2cZl3JSfbBBmVNX6r70KBcu04IZVE/4v7MClIDiF+0OaI+JZs1xOJQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779565586; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=oLXsRk5n6kDSbBXqAg0ZgpidZO8HnPrxM/c4jPhcHYA=; b=PPCNhAPMKDvP7I04TsbiBbcsIntiYCQiqwgTYrzPuniVlXCIUvOqU3xnE4ehLa5LNs5zhFp15R0ubu8wdQwkkYhu/60J68rXnRAIGNXvB1z4PWa+cZ72F5VaTPwfbeeounL42KCzszKYQ/qk+whBnG1BnQLo/+xrUCTlsUcnp/w= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1779565586; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=oLXsRk5n6kDSbBXqAg0ZgpidZO8HnPrxM/c4jPhcHYA=; b=iNi8yvReRR1hsM0PZYOxJ6lr7uXgV6P+XpxpYxKLhO+lSKmyArO6OnxGxFASJ2kH WSkVf9yJyoxBYqVCVpJ5Ot66wpF+c+ThGSu2T4OIbrpwLBQPSs+/jK3vjmaKOcHcgPq 4KRD7TG8iP416elVeZ+z0i33IwVJUPdko+Z6xrWo= Received: by mx.zohomail.com with SMTPS id 1779565584064562.6777512097248; Sat, 23 May 2026 12:46:24 -0700 (PDT) From: Nicolas Frattaroli Date: Sat, 23 May 2026 21:43:47 +0200 Subject: [PATCH v16 12/28] drm/i915/dp: Add YCBCR444 handling for sink formats MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260523-color-format-v16-12-24340c5e4732@collabora.com> References: <20260523-color-format-v16-0-24340c5e4732@collabora.com> In-Reply-To: <20260523-color-format-v16-0-24340c5e4732@collabora.com> To: Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Dmitry Baryshkov , Sascha Hauer , Rob Herring , Jonathan Corbet , Shuah Khan , Daniel Stone Cc: kernel@collabora.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-doc@vger.kernel.org, wayland-devel@lists.freedesktop.org, Nicolas Frattaroli X-Mailer: b4 0.15.2 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In anticipation of userspace being able to explicitly select supported sink formats, add handling of the YCBCR444 sink format. The AUTO path does not choose this format, but with explicit format selection added to the driver, it becomes a possibility. Check for both source and sink support of YCBCR444 in intel_dp_sink_format_valid. Acked-by: Daniel Stone Signed-off-by: Nicolas Frattaroli --- drivers/gpu/drm/i915/display/intel_dp.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 1920d2f02666..380933579178 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1344,6 +1344,16 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, 8, sink_format, true); } +static bool +intel_dp_can_ycbcr444(struct intel_dp *intel_dp) +{ + if (source_can_output(intel_dp, INTEL_OUTPUT_FORMAT_YCBCR444) && + !drm_dp_is_branch(intel_dp->dpcd)) + return true; + + return false; +} + static enum drm_mode_status intel_dp_sink_format_valid(struct intel_connector *connector, const struct drm_display_mode *mode, @@ -1362,6 +1372,16 @@ intel_dp_sink_format_valid(struct intel_connector *connector, !drm_mode_is_420(info, mode)) return MODE_NO_420; + return MODE_OK; + case INTEL_OUTPUT_FORMAT_YCBCR444: + if (intel_dp->dfp.min_tmds_clock && + !intel_dp_has_hdmi_sink(intel_dp)) + return MODE_BAD; + if (!intel_dp_can_ycbcr444(intel_dp)) + return MODE_BAD; + if (!(info->color_formats & BIT(DRM_OUTPUT_COLOR_FORMAT_YCBCR444))) + return MODE_BAD; + return MODE_OK; case INTEL_OUTPUT_FORMAT_RGB: return MODE_OK; -- 2.54.0