From mboxrd@z Thu Jan 1 00:00:00 1970 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 033803932C5; Thu, 23 Apr 2026 19:05:15 +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=1776971117; cv=pass; b=sOo+5xFnwCy0w8dnnAzOeJKRdbs5d6igccaSg4wR51q2xEoTpjkX+/e2s+NrPZcPqa4nnMysW5E9yMlpugFcRsGI8NLmvs15wVBgWe1Qm4IzwlKC0fdbzRyOEj2R1xYuXqVtlJa92wMZF4/djN3mUmM3FyEmSOmvrBtO1BTm1LY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776971117; c=relaxed/simple; bh=51+Z8LZncIzhv+9TwXxsNw1MiyuQlb0S4B7ehqTF3/A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=R84iX59GmVGy0YfnXSQK8oEq7/IYM4P4Dun7MGPcACLgunDa5HqwWuTQ2fOUYJPwL69IkbLQa7w25KoBtYb51pR5Un5m4vjsbHkixP/N/1oIIRYFeojLzQ1PuopcVQDfkwLqoO8mFcwxlqwDPCkGmI9r0aW9uVkm23UAfmM1WeM= 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=Jfa6pPZB; 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="Jfa6pPZB" ARC-Seal: i=1; a=rsa-sha256; t=1776971074; cv=none; d=zohomail.com; s=zohoarc; b=PGclp+PSt/SRN7fL77NA4/Wc+3qv5eN7EnK/KtFtKfqx+wgTaa9qr6sTjQouwBCeVNOPMv7t0ggI3kB6QEPraxd067oERZkeQz7l5Wqzu6qyEIaVHHt0ecj5KA1h6piwKvlvyzJvRQAzbBWAVmbrVCCnr+17cgdjLfwhjeLykdg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1776971074; 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=QbLAX7WbQ+CboAfFZnwTvyRZw/PFAAdnkbEwR/JyF2M=; b=c51b9i86rUvdudYjeTfoAQOXF2VJap1/D5j71+vS4Th/nXQDy90c5nvSne58IvXpP6poXOSp0k6a3A/H/8Xghaiq03XUTyH0HfNBEfKMJmt1Wpg/CfDQOstgwNd7M6nUQqkdV9HGl5LBLwxK7VJIYG8qI1WXDT1QYKoQVY/yrdY= 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=1776971073; 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=QbLAX7WbQ+CboAfFZnwTvyRZw/PFAAdnkbEwR/JyF2M=; b=Jfa6pPZBtetd1RDlUPOG5jQ2ePAbWett8ythoyFdmwk0TR5tUsun0ptk2Zu+cubv c01M1adnxJTL0SXVO56XQ3hFY4GdTgP8ASdj+oFJUs4pY4jUbimpIeYRFTcj40dXsL4 rNGw4HOdDqZvs+bcw7nGKkX4k1rVUWP/0ECuOF5o= Received: by mx.zohomail.com with SMTPS id 1776971071899466.1134762492742; Thu, 23 Apr 2026 12:04:31 -0700 (PDT) From: Nicolas Frattaroli Date: Thu, 23 Apr 2026 21:03:28 +0200 Subject: [PATCH v14 05/28] drm/display: bridge_connector: Use HDMI color format for HDMI conns Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260423-color-format-v14-5-449a419ccbd4@collabora.com> References: <20260423-color-format-v14-0-449a419ccbd4@collabora.com> In-Reply-To: <20260423-color-format-v14-0-449a419ccbd4@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 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 For bridge connectors which contain an HDMI bridge at some stage, the HDMI state helpers' format selection logic should be involved. Add an implementation for the drm_bridge_funcs color_format function, which translates from the HDMI state's output format to a connector format for bridge connectors involving an HDMI bridge, but return the connector state's color_format member unchanged otherwise. Signed-off-by: Nicolas Frattaroli --- drivers/gpu/drm/display/drm_bridge_connector.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index 39cc18f78eda..bcfa4f2ca3e4 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -276,6 +276,29 @@ static void drm_bridge_connector_reset(struct drm_connector *connector) connector->state); } +static enum drm_connector_color_format +drm_bridge_connector_color_format(const struct drm_connector_state *conn_state) +{ + struct drm_bridge_connector *bridge_connector = + to_drm_bridge_connector(conn_state->connector); + + if (bridge_connector->bridge_hdmi) { + switch (conn_state->hdmi.output_format) { + default: + case DRM_OUTPUT_COLOR_FORMAT_RGB444: + return DRM_CONNECTOR_COLOR_FORMAT_RGB444; + case DRM_OUTPUT_COLOR_FORMAT_YCBCR444: + return DRM_CONNECTOR_COLOR_FORMAT_YCBCR444; + case DRM_OUTPUT_COLOR_FORMAT_YCBCR422: + return DRM_CONNECTOR_COLOR_FORMAT_YCBCR422; + case DRM_OUTPUT_COLOR_FORMAT_YCBCR420: + return DRM_CONNECTOR_COLOR_FORMAT_YCBCR420; + } + } + + return conn_state->color_format; +} + static const struct drm_connector_funcs drm_bridge_connector_funcs = { .reset = drm_bridge_connector_reset, .detect = drm_bridge_connector_detect, @@ -285,6 +308,7 @@ static const struct drm_connector_funcs drm_bridge_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .debugfs_init = drm_bridge_connector_debugfs_init, .oob_hotplug_event = drm_bridge_connector_oob_hotplug_event, + .color_format = drm_bridge_connector_color_format, }; /* ----------------------------------------------------------------------------- -- 2.53.0