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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=1772123057; 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=txv6vQDrf8TvuXaw8FFr2/au2yNyfaaMtDMt+HBRQ0U=; b=WIldgH/0a6NjbWUpy/KVeZjrvqxYggRojCnNIaaDT6piQoyNjIDfQdgQS9G78G3v 1m7YlCA/zRt0Oc22zrGr3RJZVs8P6yRXB04+Zoya4VZhWuPao2Y4SJeAx0PQXsaZiIa 6JMWI/E18LL044fdeDRbnMfcUoXpZ0MeeyiIDx98= Received: by mx.zohomail.com with SMTPS id 1772123055193953.572434392059; Thu, 26 Feb 2026 08:24:15 -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 Subject: Re: [PATCH 14/14] drm/display: hdmi: Use drm_output_color_format instead of hdmi_colorspace Date: Thu, 26 Feb 2026 17:24:05 +0100 Message-ID: <5558942.31r3eYUQgx@workhorse> In-Reply-To: <20260224-drm-rework-color-formats-v1-14-bebc76604ada@kernel.org> References: <20260224-drm-rework-color-formats-v1-0-bebc76604ada@kernel.org> <20260224-drm-rework-color-formats-v1-14-bebc76604ada@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-20260226_082514_669451_06E31DAF X-CRM114-Status: GOOD ( 19.31 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tuesday, 24 February 2026 11:58:53 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. > > 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_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/display/drm_hdmi_helper.h | 3 +- > include/drm/drm_connector.h | 7 +- > 14 files changed, 205 insertions(+), 180 deletions(-) > > [... snip ...] > diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c > index 4f5b27fab475c7c733622eb8727927571f3fb8fe..171cd495976a3e16f201fd339d3d42a09dc3b63f 100644 > --- a/drivers/gpu/drm/drm_connector.c > +++ b/drivers/gpu/drm/drm_connector.c > @@ -589,14 +589,14 @@ int drmm_connector_hdmi_init(struct drm_device *dev, > > if (!(connector_type == DRM_MODE_CONNECTOR_HDMIA || > connector_type == DRM_MODE_CONNECTOR_HDMIB)) > return -EINVAL; > > - if (!supported_formats || !(supported_formats & BIT(HDMI_COLORSPACE_RGB))) > + if (!supported_formats || !(supported_formats & BIT(DRM_OUTPUT_COLOR_FORMAT_RGB444))) > return -EINVAL; > > - if (connector->ycbcr_420_allowed != !!(supported_formats & BIT(HDMI_COLORSPACE_YUV420))) > + if (connector->ycbcr_420_allowed != !!(supported_formats & BIT(DRM_OUTPUT_COLOR_FORMAT_YCBCR420))) > return -EINVAL; I don't think this will work as-is. drm_bridge_connector_init calls this function assuming hdmi_colorspace bitmasks in supported_formats. This may have slipped through the conversion; the synopsys dw-hdmi-qp core (separate from synopsys dw-hdmi) also assumes hdmi_colorspace, see e.g. dw_hdmi_qp_plat_data::supported_formats in include/drm/bridge/dw_hdmi_qp.h So should be a simple fix I hope. > > if (!(max_bpc == 8 || max_bpc == 10 || max_bpc == 12)) > return -EINVAL; > > [... snip ...] Kind regards, Nicolas Frattaroli