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 B3CB03AE70A; Mon, 13 Apr 2026 10:09:06 +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=1776074947; cv=pass; b=M3940byVyfSqKLcOJPtniGTyjqqOsV3I6xarCNLwf2apZvTPhU+D9kWzpnSa3HWnLdZzzGYYjmMtyO7281TewH238eFrpe4m76OEsGvbXWi2hgaEx4dCtvAYHq1vDL+tJ6/lg2z0wgY5u3EsZACpk3CfEFT/1si7S/iEqLxDaPI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776074947; 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=uzdUuIX4DIk70Y6NZEy20M3IgcCXRvNZz078l/TsMTBCefdZJCB86j5bqrug3cVrBbBFppFL9+eYQ1SD6DEfw3bJNDpgrB/ymisiAE5RCiU2EP1LmKEkDD9s0SFZqA/u5hGhf9u1VbxWgkpi/lIgxSgl3dFSlnXsfQD/6VGJll0= 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=UUcmP/6C; 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="UUcmP/6C" ARC-Seal: i=1; a=rsa-sha256; t=1776074907; cv=none; d=zohomail.com; s=zohoarc; b=j27D8gyJyitSBwA8uB3u6vZFhmTOk+v5hgG1mhsq/WoK00bXojRDz4f+Q1PwjeBRNV29AP3HBQ+vZ4M6WMfWAFjh6k327kxVirgeEyGTdFtCjeK2qxz6GHQHsaR4N6nyzVTwEh+aucF3i6ouORi0dMMhHKt01/uqQ+jMCS/xDsQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1776074907; 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=XaDUBJrnh+g9b7wWHX2Hmd3jPYDBavSUnU6NnCoXnzrdhMXvP1r3OW6qQY5KhwzyfE6Ob+KLfFRPNHEV26Z4Z9k83oNA0XupL5pMZD0aTD0Hs/tqX/pQdExipWUUGEZAOti7hp1q3S+DI9qWUfOzk7QegEltQ/1YVASw8PGtpYM= 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=1776074907; 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=UUcmP/6CJTfQM+3BO8LIJP5qd3wm3RGNBc67KlW4COulobDyHpnGDDucswaz87ci S6Niptf3ZBYEeubPeY0fouQbuuOwjmEe3Sboo3RXwIscd7SO5Hd0KeRbl+etFS++L1Q ulJajBLjGI9wGfiMqeC2GHrhPUwOJo/cYuto2ZzA= Received: by mx.zohomail.com with SMTPS id 1776074905462771.1744078996011; Mon, 13 Apr 2026 03:08:25 -0700 (PDT) From: Nicolas Frattaroli Date: Mon, 13 Apr 2026 12:07:19 +0200 Subject: [PATCH v13 05/27] 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: <20260413-color-format-v13-5-ab37d4dfba48@collabora.com> References: <20260413-color-format-v13-0-ab37d4dfba48@collabora.com> In-Reply-To: <20260413-color-format-v13-0-ab37d4dfba48@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, 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