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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=1772467825; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=w7U2i7wNnzNewzg0HZ0VM12VPokXKDs53EuGg6YDrv8=; b=W0F/s1WVOicRqRRlh5k5bS16DecRt/X1lliwR6v9bihZZKydDIaE9AyHGcfVgqOl DvAw1wWZ42oww1fu25LhPzUbERsubMtUdY7LsGOtMzSepxHtaknXKw8XPpJIsvcOnzc wcoHVxy/hBVsZb7ebXFaIeFPF7bsc7pFw7l7IamY= Received: by mx.zohomail.com with SMTPS id 1772467823906968.5878195359694; Mon, 2 Mar 2026 08:10:23 -0800 (PST) From: Nicolas Frattaroli To: Jani Nikula , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , Christian =?UTF-8?B?S8O2bmln?= , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Andy Yan , Liviu Dudau , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Sandy Huang , Heiko =?UTF-8?B?U3TDvGJuZXI=?= , Liu Ying , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?UTF-8?B?TWHDrXJh?= Canal , Raspberry Pi Kernel Maintenance , Maxime Ripard Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, Jani Nikula Subject: Re: [PATCH v2 14/14] drm/display: hdmi: Use drm_output_color_format instead of hdmi_colorspace Date: Mon, 02 Mar 2026 17:10:13 +0100 Message-ID: <5970802.DvuYhMxLoT@workhorse> In-Reply-To: <20260227-drm-rework-color-formats-v2-14-8bd278e2af9d@kernel.org> References: <20260227-drm-rework-color-formats-v2-0-8bd278e2af9d@kernel.org> <20260227-drm-rework-color-formats-v2-14-8bd278e2af9d@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260302_161133_197684_84BBDC42 X-CRM114-Status: GOOD ( 21.60 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Friday, 27 February 2026 14:59:58 Central European Standard Time Maxime Ripard wrote: > The hdmi_colorspace enum was defined to represent the colorspace value > of the HDMI infoframes. It was later used by some HDMI drivers to > express the output format they should be setting up. > > During the introduction of the HDMI helpers, it then was used to > represent it in the drm_connector_hdmi_state structure. > > However, it's always been somewhat redundant with the DRM_COLOR_FORMAT_* > defines, and now with the drm_output_color_format enum. Let's > consolidate around drm_output_color_format in drm_connector_hdmi_state > to facilitate the current effort to provide a global output format > selection mechanism. > > Acked-by: Jani Nikula > Signed-off-by: Maxime Ripard > --- > drivers/gpu/drm/bridge/inno-hdmi.c | 6 +- > drivers/gpu/drm/bridge/ite-it6263.c | 2 +- > drivers/gpu/drm/display/drm_bridge_connector.c | 4 +- > drivers/gpu/drm/display/drm_hdmi_helper.c | 7 +- > drivers/gpu/drm/display/drm_hdmi_state_helper.c | 52 ++++-- > drivers/gpu/drm/drm_bridge.c | 2 +- > drivers/gpu/drm/drm_connector.c | 14 +- > drivers/gpu/drm/mediatek/mtk_hdmi_v2.c | 8 +- > drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 2 +- > drivers/gpu/drm/tests/drm_connector_test.c | 80 ++++----- > drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c | 182 ++++++++++----------- > drivers/gpu/drm/vc4/vc4_hdmi.c | 18 +- > drivers/gpu/drm/vc4/vc4_hdmi.h | 2 +- > include/drm/bridge/dw_hdmi_qp.h | 2 +- > include/drm/display/drm_hdmi_helper.h | 3 +- > include/drm/drm_connector.h | 7 +- > 16 files changed, 208 insertions(+), 183 deletions(-) > > [... snip ...] > diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c > index f686aa5c0ed9b84dbe5e0957df22d08aff2f1945..39cc18f78eda11ba35954f75315f646c0cb0d8e6 100644 > --- a/drivers/gpu/drm/display/drm_bridge_connector.c > +++ b/drivers/gpu/drm/display/drm_bridge_connector.c > @@ -787,11 +787,11 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, > { > struct drm_bridge_connector *bridge_connector; > struct drm_connector *connector; > struct i2c_adapter *ddc = NULL; > struct drm_bridge *panel_bridge __free(drm_bridge_put) = NULL; > - unsigned int supported_formats = BIT(HDMI_COLORSPACE_RGB); > + unsigned int supported_formats = BIT(DRM_OUTPUT_COLOR_FORMAT_RGB444); > unsigned int max_bpc = 8; > bool support_hdcp = false; > int connector_type; > int ret; Just noticed that we definitely also need to adjust the comment in drm_bridge.h for drm_bridge::supported_formats. It still claims it's a bitfield of HDMI_COLORSPACE_* values, but in this function, gets assigned DRM_OUTPUT_COLOR_FORMAT values now. Kind regards, Nicolas Frattaroli > > @@ -958,11 +958,11 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, > if (connector_type == DRM_MODE_CONNECTOR_Unknown) > return ERR_PTR(-EINVAL); > > if (bridge_connector->bridge_hdmi) { > if (!connector->ycbcr_420_allowed) > - supported_formats &= ~BIT(HDMI_COLORSPACE_YUV420); > + supported_formats &= ~BIT(DRM_OUTPUT_COLOR_FORMAT_YCBCR420); > > bridge_connector->hdmi_funcs = drm_bridge_connector_hdmi_funcs; > > if (bridge_connector->bridge_hdmi->ops & DRM_BRIDGE_OP_HDMI_AUDIO) > bridge_connector->hdmi_funcs.audio = > [... snip ...]