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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=1769006739; 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=QLGL7sAGGjAc4J4kRVufIDJ5+o6RGlXVLshIz0+jGpw=; b=PD/13wmzGtmQf6oLwWL2wxBUHBbme8zZcB8zE68ESllUKP0bDM3YaUm5Zj2cCWmx 0q6HSb+0cZLBX3jGnBSavk9p3GH5pSCcEMJ6bp6jMsnt1idJh2iyRttbVTCHtG7+HV0 3RMacshZeqrlMOZYl7HGmUT1JTWwyFKkFck2mL5I= Received: by mx.zohomail.com with SMTPS id 1769006737835241.10313051735613; Wed, 21 Jan 2026 06:45:37 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 21 Jan 2026 15:45:08 +0100 Subject: [PATCH v7 01/22] drm/amd/display: Remove unnecessary SIGNAL_TYPE_HDMI_TYPE_A check MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260121-color-format-v7-1-ef790dae780c@collabora.com> References: <20260121-color-format-v7-0-ef790dae780c@collabora.com> In-Reply-To: <20260121-color-format-v7-0-ef790dae780c@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 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 , Werner Sembach , Andri Yngvason X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260121_064620_628073_BC38C2E0 X-CRM114-Status: GOOD ( 13.01 ) 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 From: Werner Sembach 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 Signed-off-by: Andri Yngvason Tested-by: Andri Yngvason Signed-off-by: Nicolas Frattaroli --- 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 cb13a2b0de62..4a2491a66fdd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6699,12 +6699,9 @@ 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 & DRM_COLOR_FORMAT_YCBCR422) && aconnector -- 2.52.0