From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BC6D52DECDE; Tue, 11 Nov 2025 01:31:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824695; cv=none; b=n4sXbXIuoOyLTi2Nbtx75qTDPJ4Z9ZcQaPk8F7ZyOBVsZcvyFOkhvzmH/8q6CEoILTF92U1ovVkvwcAkMcTjWlMkvYjNRVSdqImnq70KP/ks+gl0VD0G57T76sZh5Fuv2UUhCa0QWLT311jntc45nnf9mm22yEQaFNrIQvaAGow= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824695; c=relaxed/simple; bh=FLwNT6nK2ROqbiKjfuNCGBG3whTEOJAg++4hjo41GIQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fdTu22ufSeLXli6sBv9cFyPoubMDT2iQ+R3+EtByEMh2pT/OiuGlPfBklE+gIRWibsHCtVZ9oxhAeGqNJU6X25dtiQ+TfZJNc+DroYv0WXQ4fA5FWoNes+oKiXDxzo7D9bFl9Bxc6oytlzuX9LQcJx761lrHy5FVvF99R0tTgXM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=xTGNyKNY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xTGNyKNY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59B75C16AAE; Tue, 11 Nov 2025 01:31:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762824695; bh=FLwNT6nK2ROqbiKjfuNCGBG3whTEOJAg++4hjo41GIQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xTGNyKNYGQueU58aAwZDAIhlwaRhhkNOeSy8p9SqpYfv2Gx0UWA+bOowr+SQwl4eA 4+nLQg7Ok9JnBD7UJQ6F5CuuTHBsl8So0mWc0+G01zv46vGbXIa7DA2+e816KNAFf0 72FUlPTo0CxmNx5m+RNPzH6ReXk4pJGlgQOR4eHE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mauri Carvalho , Wayne Lin , Mario Limonciello , Ray Wu , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.17 552/849] drm/amd/display: Set up pixel encoding for YCBCR422 Date: Tue, 11 Nov 2025 09:42:02 +0900 Message-ID: <20251111004549.753384176@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111004536.460310036@linuxfoundation.org> References: <20251111004536.460310036@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello [ Upstream commit 5e76bc677cb7c92b37d8bc66bb67a18922895be2 ] [Why] fill_stream_properties_from_drm_display_mode() will not configure pixel encoding to YCBCR422 when the DRM color format supports YCBCR422 but not YCBCR420 or YCBCR4444. Instead it will fallback to RGB. [How] Add support for YCBCR422 in pixel encoding mapping. Suggested-by: Mauri Carvalho Reviewed-by: Wayne Lin Signed-off-by: Mario Limonciello Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++ 1 file changed, 3 insertions(+) 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 8eb2fc4133487..3762b3c0ef983 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6399,6 +6399,9 @@ static void fill_stream_properties_from_drm_display_mode( && aconnector && aconnector->force_yuv420_output) timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; + else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR422) + && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) + timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR422; else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR444) && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444; -- 2.51.0