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 049D02FD1C2; Sat, 23 May 2026 19:46:07 +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=1779565569; cv=pass; b=Q5LRJz/vbvlBwQYhArIhEU7g/ayDaeMYphA6ryYzaTaHI4hzXKxKAs61WjBIwSS5V+3a/pbK7qo1LV4Jpb4EbfHxVQJZbQEuTaD/cOGlLjS2jGto8CiUm3IFM64a5YADDcZRTXSexF+Vv9ILfn8VcrpiHcnT4zc2uSc6xuP7TC0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779565569; c=relaxed/simple; bh=7C0S8luKg8WsGBq+n95dh9ef0EUoZDoANkgU/Vjd6iI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=h7sC4A3Bx0fsXkDubDFUBrGtuOU8uuMu3X/clNCxyHDs/Y+QamaYGLHUnMb1dx4EjtAHovwCqk6d73dDtjkrWifnnQEp4TAS1B+vNtpA/WM+DmHFb5sj6lrcnbmMS+p5QKNGaClhvIlYqCrFXmmyhBOfRW6nD/FH+DqHsii9rhw= 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=jL/63TlU; 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="jL/63TlU" ARC-Seal: i=1; a=rsa-sha256; t=1779565524; cv=none; d=zohomail.com; s=zohoarc; b=A+r0Q2+5CJA4/3i50gpkAfIPyPu9Z6Q4c0vJdgA2UJQH7BE3rNmKsmTGja7/Yq0vwTtKKBsQBrErY2ngxSfRWuIKAchkznhOyD5sAyiO27DvJ5NRqMe6zUYxIfctvTljBCIvsSYVF3taWlRf/mhHU70lPgrNmukbeQ8UCNqqYTc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1779565524; 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=ydwMnyAzyOCfy2Y9vA8jDchcJAW3pPAmLiksvoQsJDo=; b=FHYucNwTWsLtGjYpcfP3C4n+ZaKJeAbaHQDsjA4sW5vSh5+KbBOXw2OZ0tBjlP+jFVjI6TgRbkngnZkMcu6CFfJakfoMylYkSsj8PO8gjLjclMl0J2NXzxEDzs/WNxeF2tF4V6GSxHlhAVsE5J0zM2HPRP8o5VTvZmXoxw7Pqa0= 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=1779565524; 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=ydwMnyAzyOCfy2Y9vA8jDchcJAW3pPAmLiksvoQsJDo=; b=jL/63TlU7hOtnh2e6k5AMMqmK5ntnVAqMcmr0Asf5jMN9FxEm238xq/xDvHqH0nC avQzJqKvUjnWqwesxVAsvAGgX8VHm3IZDJe6t5BRXwETTo+Wtdw4dWDjPBxyCe/u3qr UA7vyqwPMUxJ1YvBX/VT3VMsY3Dr7IE0Gv5W9FAY= Received: by mx.zohomail.com with SMTPS id 1779565521993659.6502330784725; Sat, 23 May 2026 12:45:21 -0700 (PDT) From: Nicolas Frattaroli Date: Sat, 23 May 2026 21:43:40 +0200 Subject: [PATCH v16 05/28] drm/display: bridge_connector: Use HDMI color format for HDMI conns 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: 7bit Message-Id: <20260523-color-format-v16-5-24340c5e4732@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 , Dmitry Baryshkov 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. Reviewed-by: Dmitry Baryshkov Reviewed-by: Daniel Stone 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 649969fca141..19da5f668942 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, }; /* ----------------------------------------------------------------------------- -- 2.54.0