From nobody Mon Dec 1 22:36:24 2025 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FDB32C0F95 for ; Fri, 28 Nov 2025 21:07:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764364023; cv=pass; b=sqzmbksaMIDq9UjN+WHXW+q19tV2WJrMVOAnBFIngaUUHKRRNiQ2SsEykg/VjOYwGr5N+JbkCX6p+E7PJVxV7jQlfGU9HXkWSWGlFSnsidhgGbSZmuMTVGUG97VsGK+d6s3//GYmo4OgnOjRd1KpTPFAoXkYfEgqJH+82WMwYp8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764364023; c=relaxed/simple; bh=eB/dxazydzWcoNKKKp2V70b0X/8YMjD5hPdF2e8oMVA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZuLL+KKeuIe8zo2HrXyo2KCgNyjCA8iRTD+dMfiRNfSEXQZbNosd5kZECUXsScz1DagXZXIQC3dWwujKbsbnTCgdPMsxueQyHVJiqhBQxZjsF/kZ95r46Klu8Y6KKFryZDG/sNG/9K6qRK8AGeDLQrRg1k9PbTUNuPydFg3OzeY= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=KDKeBn+2; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="KDKeBn+2" ARC-Seal: i=1; a=rsa-sha256; t=1764363981; cv=none; d=zohomail.com; s=zohoarc; b=KPDVuo9+EnGDLsuZweploJDFMSPxA3EwOZPw9aPHHhMz2DXUoWwiV7E4+0Iu/sGAn7NN1eYQDqoxdLuU/8cHLIKv0+/91JJqALSv8wTeWcUvbCWzKSKn1uyyUTX1dBoFx6mPE8NX2t6Z7KperR/W/6eMdu9mbtZ13QqW5iGa/2c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1764363981; 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=IBxMWqX4+1NiMuBr6BGqM8VA6p9l+VBzuvI2JeWQJUk=; b=WX4+Q0p3B+Hc18XO9I7Zq5vEASk3TR/6sx4qIF/XSxXD38ioGMnk6rXUzQrVWiY7yhRgghHBEzt7bgMkvr2pKJ8hU9e9ouTecxHnKY41dseHzikuzWeSTfMSv3G0DI7VxHTCen7B4aIzcI/ZEM5NWr422qJHj9RcgNWHQC1MI6g= 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=1764363981; 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=IBxMWqX4+1NiMuBr6BGqM8VA6p9l+VBzuvI2JeWQJUk=; b=KDKeBn+2oZerSX3QOpV37D79KcKpgD5NU/avAqmIfHn26P43sELtFMjA3PIbGItM oIF7jte8lXsA25VmsfvHpV2uKlWgnD1atDLKO+YR51bkC9N1NHmIRUclkz08CqWLEft 8DuabFfqAjcDNl6/1TXR7Sa1Yqtf1AFsv+/UCJJ8= Received: by mx.zohomail.com with SMTPS id 1764363979976684.7501352747894; Fri, 28 Nov 2025 13:06:19 -0800 (PST) From: Nicolas Frattaroli Date: Fri, 28 Nov 2025 22:05:39 +0100 Subject: [PATCH v5 03/17] drm: Add enum conversion from DRM_COLOR_FORMAT to HDMI_COLORSPACE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251128-color-format-v5-3-63e82f1db1e1@collabora.com> References: <20251128-color-format-v5-0-63e82f1db1e1@collabora.com> In-Reply-To: <20251128-color-format-v5-0-63e82f1db1e1@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 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, Nicolas Frattaroli , Marius Vlad X-Mailer: b4 0.14.3 From: Marius Vlad While the two enums have similar values, they're not identical, and HDMI's enum is defined as per the HDMI standard. Add a simple conversion function. Unexpected inputs aren't handled in any clever way, DRM_COLOR_FORMAT_AUTO and any other value that doesn't cleanly map to HDMI just gets returned as HDMI_COLORSPACE_RGB. Signed-off-by: Marius Vlad Signed-off-by: Nicolas Frattaroli --- include/drm/drm_connector.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 38968a557b82..cf556f0e5731 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -2567,6 +2567,33 @@ int drm_connector_attach_color_format_property(struc= t drm_connector *connector); =20 const char *drm_get_color_format_name(enum drm_color_format color_fmt); =20 +/** + * drm_color_format_to_hdmi_colorspace - convert DRM color format to HDMI + * @fmt: the &enum drm_color_format to convert + * + * Convert a given &enum drm_color_format to an equivalent + * &enum hdmi_colorspace. For non-representable values and + * %DRM_COLOR_FORMAT_AUTO, the value %HDMI_COLORSPACE_RGB is returned. + * + * Returns: the corresponding &enum hdmi_colorspace value + */ +static inline enum hdmi_colorspace __pure +drm_color_format_to_hdmi_colorspace(enum drm_color_format fmt) +{ + switch (fmt) { + default: + case DRM_COLOR_FORMAT_AUTO: + case DRM_COLOR_FORMAT_RGB444: + return HDMI_COLORSPACE_RGB; + case DRM_COLOR_FORMAT_YCBCR444: + return HDMI_COLORSPACE_YUV444; + case DRM_COLOR_FORMAT_YCBCR422: + return HDMI_COLORSPACE_YUV422; + case DRM_COLOR_FORMAT_YCBCR420: + return HDMI_COLORSPACE_YUV420; + } +} + /** * drm_for_each_connector_iter - connector_list iterator macro * @connector: &struct drm_connector pointer used as cursor --=20 2.52.0