From nobody Thu Mar 19 03:43:31 2026 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 603A42D63F6; Mon, 16 Feb 2026 13:02:44 +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=1771246965; cv=pass; b=VAhDHfy2cBmJFabYrwek8UwR0yhVkqalYkCQHn4Ve9jRjtmMC+sT/FueqOf7YWEyaSKoPg/9tt4fCF3YnliZrwamey6+fFrZ1LvT58VjLuCia3xjbUweRJGzMI8r7Tx5w9PR4H4tEFDmh/jV0lxb2klOe9ClwogAF9fPdZQEBIE= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771246965; c=relaxed/simple; bh=NFondsDQ0hWFa8TjIDEK+znsqzFDtuf71ClJf1bwM0E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hzosetEZOxp1wvW9mYO8BWiZTZWbjW2KuZJndQzBm2vthuZ66xKNPxePG+YaB52d96Mds9998Nu6WsiPb2QjEiXLV0E4S4V5WJ7mLlm+X6Ynqe/Y/ZvLmHWWGj888K2eIMIqXU9rElkySub4sZMuqF9ZAnpfly/9UK9Cd9T/ofQ= 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=XV++WV77; 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="XV++WV77" ARC-Seal: i=1; a=rsa-sha256; t=1771246908; cv=none; d=zohomail.com; s=zohoarc; b=PUg9XPHq9tlDtYY08V8VS65c7SMplaU94ZnHHgp4VEpLUfuERE9d4blVkDCoUfBu7gmaQzB8aSZIacdmrmGPpz8+wr1FoOA9VR0NAbFL1iEi51+d9Q4HzFj6wZO65n6epMdMK/w1IS4ao/H1Vkt6fK/8OoQodkryr3q1Tc/jGeM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771246908; 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=Ocgvj144ox473HVw3OzpKSQwBrz1+ydErGS9mpLqcwI=; b=VoGXtpPGfMscs1D9+dnUM1SMEp5FVyE8e8z2Dwc33kfYV3cTHWGpUp9vSW6IilxeEQfTpcH1uwaBP+a6JqGmpiKbYSUcfzH0XogR0qACVH7x53qL/86DjljDtlW6VM9ZOC/O/11qX5DnKeCKX7yyXvVQAHgFZ/uZRBGru08Omp4= 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=1771246908; 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=Ocgvj144ox473HVw3OzpKSQwBrz1+ydErGS9mpLqcwI=; b=XV++WV770yx+WNog9Vn6oDiAuencbbWHXjEgEG7N9zuHXB1h6ZilPByCMsMU5fjU uemr7429IHMxiO7K5Y0HkxxSCWkGXT/ECGSGsguPlCiyNzXMl2TjPoWg/RDY8Lv6A52 yxY4IZjpEu6JDj8V7pzUUtqnupxs0xXFesvs6Z8I= Received: by mx.zohomail.com with SMTPS id 1771246906640653.8907133675959; Mon, 16 Feb 2026 05:01:46 -0800 (PST) From: Nicolas Frattaroli Date: Mon, 16 Feb 2026 14:01:15 +0100 Subject: [PATCH v8 01/20] drm/amd/display: Remove unnecessary SIGNAL_TYPE_HDMI_TYPE_A check 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: quoted-printable Message-Id: <20260216-color-format-v8-1-5722ce175dd5@collabora.com> References: <20260216-color-format-v8-0-5722ce175dd5@collabora.com> In-Reply-To: <20260216-color-format-v8-0-5722ce175dd5@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 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/gp= u/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 47749ccc9c43..0db787ff24f3 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6704,12 +6704,9 @@ static void fill_stream_properties_from_drm_display_= mode( timing_out->v_border_top =3D 0; timing_out->v_border_bottom =3D 0; /* TODO: un-hardcode */ - if (drm_mode_is_420_only(info, mode_in) - && stream->signal =3D=3D SIGNAL_TYPE_HDMI_TYPE_A) - timing_out->pixel_encoding =3D 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 =3D PIXEL_ENCODING_YCBCR420; else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR4= 22) && aconnector --=20 2.53.0