From nobody Thu Apr 9 23:24:44 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 F0CAB27AC28; Thu, 9 Apr 2026 15:46:25 +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=1775749588; cv=pass; b=AisODkn/R1uHdJMyQRGYjVlLFij6+mU5ADxlgkGipQO02g7JYKkc+ZX4Vqx7LboL75MGf8lQ/DodFRa9psaBmiBF6HSw5q64BgORHF7eKx/dCfThbbMY40rUp/TeQ/z//221Rj6jDUD2M53a/ut2JlSrsQ1lAMqRFng6B1yfkCU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775749588; c=relaxed/simple; bh=sTLF6IfYb6qVlIzq+3FwVkWsmzznOG3ad52a/1q6ytE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ulXHeM2QbJ1q3J5COfnVPLD1aJ3lx24wmaFvD2DKpPGQAW/GKE91EYRu4PHbVfpzPHshe4Tb4qGd1LCQADJrUqmLb1HyYx5uaXxHvykL6yIHflcEFz6tBkQ+jWz699gdA/0Xv1MVppZ43ttDFniYgLQRLPEVeRVdpWwHKYCUFsY= 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=kpGDp8lx; 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="kpGDp8lx" ARC-Seal: i=1; a=rsa-sha256; t=1775749529; cv=none; d=zohomail.com; s=zohoarc; b=agtvjI+pnCHz0Ag5AvYiFRNstTcoVeRzJr2ju9Iyrz7duW44QPjIdWE/RTvXPiaIkROkvIF/m8BScyofYHpejunH+UHawFZY87zy7zslmTy3Ww85ZWuyQUqvPx5gKv/WgC6Y9mvVbbc9T9Gp9zppXGrUcb6uN3DLi1vr81wjPME= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775749529; 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=0aHLj5HMmgBNp83PkRXSBCxnfFGY6jOss5iAqSsZMsg=; b=e4LCxLOyczxpIS9KNm4syXFPr49A13WdJ7Gf5QngNgklPJobpRr3iGa6lO/dX67X29tSJg7rnET+LvQaQbd1icfe/T2VZss3kvlvf4Bxtl5FXaVWxgaNalZJmzqDwC3afNHotRXVdBKMuumW3dIzRw5ekizmLWN7XgQZgttbvPU= 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=1775749529; 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=0aHLj5HMmgBNp83PkRXSBCxnfFGY6jOss5iAqSsZMsg=; b=kpGDp8lxI0LvIat8Nawp4fI3E1DpcgR2NVh1ygDF7OM5LvH1ecJ8MWrO/ExySrEA ft9VANFyfoTuhBYYeSwDKtjYzqQq+N4Sci7lKQqH2ORyVS/4ET3804XQsOtcKHkQAzH I6ynkkoYfznHt3lbgx05C4n+viwMyQ65vm6D2qGY= Received: by mx.zohomail.com with SMTPS id 1775749528163568.8972502812666; Thu, 9 Apr 2026 08:45:28 -0700 (PDT) From: Nicolas Frattaroli Date: Thu, 09 Apr 2026 17:44:51 +0200 Subject: [PATCH v12 01/25] 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: <20260409-color-format-v12-1-ce84e1817a27@collabora.com> References: <20260409-color-format-v12-0-ce84e1817a27@collabora.com> In-Reply-To: <20260409-color-format-v12-0-ce84e1817a27@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 , Shuah Khan 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 0.15.1 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 c2066319772b..ad9714382d5f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6780,12 +6780,9 @@ 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 & BIT(DRM_OUTPUT_COLOR_FO= RMAT_YCBCR422)) && aconnector --=20 2.53.0