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 04029CD5BB0 for ; Fri, 22 May 2026 12:34:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2AFCC10F640; Fri, 22 May 2026 12:34:33 +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="LOQ2weZ3"; 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 92DA110F63D; Fri, 22 May 2026 12:34:31 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1779453263; cv=none; d=zohomail.com; s=zohoarc; b=M1wp7Yluen1yJaxSf0GcW7gs5kYaagDLWZ8K2gVEYVKZLEgmYiWvv0O93Mx/c/zS5i+dMxWGrJZfEsJQrMq56GMRyW2WnoWxwoheq/g+eXgps7rlQj8rtlMJ2V1FNBae3nsUnzeZzgWuvB7iAyjmQvJw1mif6Eirp0E3dMODju0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779453263; 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=sOLEAkI5gETXkoLZdPGIuztxmFaAGgZSuDezJ+aqrYs=; b=D6NYlGYC+yfqc86I8vn4S+3+sizmXw3e7MQV6U8MhYxfzU6aJo4hSFm2+/p8ziSPqgLBrA04Vk7jWR/UDOIizSyfLkCf1nRM2RDktc9l/VPPZmU8OX3tig3MARwNV1Qj8wbkR5zrsEUcVZqlkkGUn+k2wOmfnop7wJVpU2pkOa8= 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=1779453263; 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=sOLEAkI5gETXkoLZdPGIuztxmFaAGgZSuDezJ+aqrYs=; b=LOQ2weZ3znDdksHlx8JNB9yOiI+9zZDkA2cawWlsnmSPqDYqHX6YMoYsL8rOov/5 Lc/A//LPDFDMqvydklmnqMSejFXoUfMoF20GCOz5ISvzU5J93pG0Ef8XAuPaPRFu6KQ oqASR4ODYeR185k9mAdj2KpgL+DcXpb30RjG7Qds= Received: by mx.zohomail.com with SMTPS id 1779453262097465.4756774241332; Fri, 22 May 2026 05:34:22 -0700 (PDT) From: Nicolas Frattaroli Date: Fri, 22 May 2026 14:32:03 +0200 Subject: [PATCH v15 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: <20260522-color-format-v15-12-21fb136c9df2@collabora.com> References: <20260522-color-format-v15-0-21fb136c9df2@collabora.com> In-Reply-To: <20260522-color-format-v15-0-21fb136c9df2@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 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 1920d2f02666..143ed85224be 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1344,6 +1344,20 @@ 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; + + if (source_can_output(intel_dp, INTEL_OUTPUT_FORMAT_RGB) && + dfp_can_convert_from_rgb(intel_dp, INTEL_OUTPUT_FORMAT_YCBCR444)) + return true; + + return false; +} + static enum drm_mode_status intel_dp_sink_format_valid(struct intel_connector *connector, const struct drm_display_mode *mode, @@ -1364,6 +1378,13 @@ intel_dp_sink_format_valid(struct intel_connector *connector, return MODE_OK; case INTEL_OUTPUT_FORMAT_RGB: + return MODE_OK; + case INTEL_OUTPUT_FORMAT_YCBCR444: + if (!(info->color_formats & BIT(DRM_OUTPUT_COLOR_FORMAT_YCBCR444))) + return MODE_BAD; + if (!intel_dp_can_ycbcr444(intel_dp)) + return MODE_BAD; + return MODE_OK; default: MISSING_CASE(sink_format); -- 2.54.0