From: Nicolas Frattaroli <nicolas.frattaroli@collabora•com>
To: "Harry Wentland" <harry.wentland@amd•com>,
"Leo Li" <sunpeng.li@amd•com>,
"Rodrigo Siqueira" <siqueira@igalia•com>,
"Alex Deucher" <alexander.deucher@amd•com>,
"Christian König" <christian.koenig@amd•com>,
"David Airlie" <airlied@gmail•com>,
"Simona Vetter" <simona@ffwll•ch>,
"Maarten Lankhorst" <maarten.lankhorst@linux•intel.com>,
"Maxime Ripard" <mripard@kernel•org>,
"Thomas Zimmermann" <tzimmermann@suse•de>,
"Andrzej Hajda" <andrzej.hajda@intel•com>,
"Neil Armstrong" <neil.armstrong@linaro•org>,
"Robert Foss" <rfoss@kernel•org>,
"Laurent Pinchart" <Laurent.pinchart@ideasonboard•com>,
"Jonas Karlman" <jonas@kwiboo•se>,
"Jernej Skrabec" <jernej.skrabec@gmail•com>,
"Sandy Huang" <hjc@rock-chips•com>,
"Heiko Stübner" <heiko@sntech•de>,
"Andy Yan" <andy.yan@rock-chips•com>,
"Jani Nikula" <jani.nikula@linux•intel.com>,
"Rodrigo Vivi" <rodrigo.vivi@intel•com>,
"Joonas Lahtinen" <joonas.lahtinen@linux•intel.com>,
"Tvrtko Ursulin" <tursulin@ursulin•net>,
"Dmitry Baryshkov" <lumag@kernel•org>,
"Sascha Hauer" <s.hauer@pengutronix•de>,
"Rob Herring" <robh@kernel•org>,
"Jonathan Corbet" <corbet@lwn•net>,
"Shuah Khan" <skhan@linuxfoundation•org>,
"Daniel Stone" <daniel@fooishbar•org>
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 <nicolas.frattaroli@collabora•com>,
Werner Sembach <wse@tuxedocomputers•com>,
Andri Yngvason <andri@yngvason•is>
Subject: [PATCH v15 01/28] drm/amd/display: Remove unnecessary SIGNAL_TYPE_HDMI_TYPE_A check
Date: Fri, 22 May 2026 14:31:52 +0200 [thread overview]
Message-ID: <20260522-color-format-v15-1-21fb136c9df2@collabora.com> (raw)
In-Reply-To: <20260522-color-format-v15-0-21fb136c9df2@collabora.com>
From: Werner Sembach <wse@tuxedocomputers•com>
Remove unnecessary SIGNAL_TYPE_HDMI_TYPE_A check that was performed in the
drm_mode_is_420_only() case, but not in the drm_mode_is_420_also() &&
force_yuv420_output case.
Without further knowledge if YCbCr 4:2:0 is supported outside of HDMI,
there is no reason to use RGB when the display
reports drm_mode_is_420_only() even on a non HDMI connection.
This patch also moves both checks in the same if-case. This eliminates an
extra else-if-case.
Signed-off-by: Werner Sembach <wse@tuxedocomputers•com>
Signed-off-by: Andri Yngvason <andri@yngvason•is>
Tested-by: Andri Yngvason <andri@yngvason•is>
Reviewed-by: Daniel Stone <daniel@fooishbar•org>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora•com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ba7f98a87808..dfe97897127c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6917,12 +6917,9 @@ static void fill_stream_properties_from_drm_display_mode(
timing_out->v_border_top = 0;
timing_out->v_border_bottom = 0;
/* TODO: un-hardcode */
- if (drm_mode_is_420_only(info, mode_in)
- && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
- timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
- else if (drm_mode_is_420_also(info, mode_in)
- && aconnector
- && aconnector->force_yuv420_output)
+ if (drm_mode_is_420_only(info, mode_in) ||
+ (aconnector && aconnector->force_yuv420_output &&
+ drm_mode_is_420_also(info, mode_in)))
timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
else if ((connector->display_info.color_formats & BIT(DRM_OUTPUT_COLOR_FORMAT_YCBCR422))
&& aconnector
--
2.54.0
next prev parent reply other threads:[~2026-05-22 12:33 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-22 12:31 [PATCH v15 00/28] Add new general DRM property "color format" Nicolas Frattaroli
2026-05-22 12:31 ` Nicolas Frattaroli [this message]
2026-05-22 12:31 ` [PATCH v15 02/28] drm/display: hdmi-state-helper: Use default case for unsupported formats Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 03/28] drm: Add new general DRM property "color format" Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 04/28] drm/connector: Let connectors have a say in their color format Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 05/28] drm/display: bridge_connector: Use HDMI color format for HDMI conns Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 06/28] drm/bridge: Act on the DRM color format property Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 07/28] drm/atomic-helper: Add HDMI bridge output bus formats helper Nicolas Frattaroli
2026-05-22 12:31 ` [PATCH v15 08/28] drm/display: hdmi-state-helper: Act on color format DRM property Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 09/28] drm/display: hdmi-state-helper: Try subsampling in mode_valid Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 10/28] drm/amdgpu: Implement "color format" DRM property Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 11/28] drm/i915/hdmi: Add YCBCR444 handling for sink formats Nicolas Frattaroli
2026-05-22 19:12 ` Ville Syrjälä
2026-05-22 12:32 ` [PATCH v15 12/28] drm/i915/dp: " Nicolas Frattaroli
2026-05-22 19:19 ` Ville Syrjälä
2026-05-22 12:32 ` [PATCH v15 13/28] drm/i915/hdmi: Implement "color format" DRM property Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 14/28] drm/i915/dp: " Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 15/28] drm/rockchip: Add YUV422 output mode constants for VOP2 Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 16/28] drm/rockchip: vop2: Add RK3576 to the RG swap special case Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 17/28] drm/rockchip: vop2: Recognise 10-bit YUV422 as YUV format Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 18/28] drm/rockchip: vop2: Set correct output format for RK3576 YUV422 Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 19/28] drm/bridge: dw-hdmi-qp: Use common HDMI output bus fmts helper Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 20/28] drm/rockchip: dw_hdmi_qp: Implement "color format" DRM property Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 21/28] drm/rockchip: dw_hdmi_qp: Set supported_formats platdata Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 22/28] drm/connector: Register color format property on HDMI connectors Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 23/28] drm/tests: hdmi: Add tests for the color_format property Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 24/28] drm/tests: hdmi: Add tests for HDMI helper's mode_valid Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 25/28] drm/tests: bridge: Add KUnit tests for bridge chain format selection Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 26/28] drm/tests: bridge: Add test for HDMI output bus formats helper Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 27/28] drm/bridge: Document bridge chain format selection Nicolas Frattaroli
2026-05-22 12:32 ` [PATCH v15 28/28] drm/connector: Update docs of "colorspace" for color format prop Nicolas Frattaroli
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