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 DBFE61D4154; Tue, 15 Oct 2024 11:51:02 +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=1728993062; cv=none; b=KafNBGnQ/78+SN2rVp/IvB2FppC7eC41oa0GSnHdomeR921HVuAc9FTWYaY14Sw4OG6hSkprWeepwLrO9k1theOJanHS5/cZkENSUGFqUF4jx4gfZWXhS9jNSyuFZ9ORdA7kBiaZ1QYzS176heVrfvhSKxXoTT3Z/vgDnc4yCII= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728993062; c=relaxed/simple; bh=4r2IvBrl0uIHjK/Ky9r+rZMQr0dMTqp40mio8NuFnBM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EF4zOv9Bwc87u3PwMIzmZF1BnoZ7p1a87rDPs7GEzxUzHPhJVcnRqJZll6dYTuHM/wV2DCPuBNPXpcdXJBFAh8/Se4lmbOokKaaPtDF0ArEef9j5Ejg4qtvZxQ2haIL9Yp2Fy2pfI6udTkt2mmiZcNiOdkmI+bffdx3HIA3cIKc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=FlbmdTcO; 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="FlbmdTcO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59324C4CEC6; Tue, 15 Oct 2024 11:51:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728993062; bh=4r2IvBrl0uIHjK/Ky9r+rZMQr0dMTqp40mio8NuFnBM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FlbmdTcOCpfd/UW0MQL0Q72np7m0G2mWEVDU4i6s4F5w0leDERJjrSOj5InxnmDVq Aia/xXezmscII0820GjVM5356y5f66OZ0zEENh7s0HSHXNDQdQioXJ8HK3blkdASY6 Q+Dpd7w2H4Erg5AgRRLbw+JtsSkerIQhr2XSXM2o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Roman Li , Fangzhi Zuo , Zaeem Mohamed , Daniel Wheeler , Alex Deucher , Mario Limonciello Subject: [PATCH 5.15 299/691] drm/amd/display: Fix Synaptics Cascaded Panamera DSC Determination Date: Tue, 15 Oct 2024 13:24:07 +0200 Message-ID: <20241015112452.211678426@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015112440.309539031@linuxfoundation.org> References: <20241015112440.309539031@linuxfoundation.org> User-Agent: quilt/0.67 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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fangzhi Zuo commit 4437936c6b696b98f3fe1d8679a2788c41b4df77 upstream. Synaptics Cascaded Panamera topology needs to unconditionally acquire root aux for dsc decoding. Reviewed-by: Roman Li Signed-off-by: Fangzhi Zuo Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cc: Mario Limonciello Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -227,7 +227,7 @@ static bool validate_dsc_caps_on_connect aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux; /* synaptics cascaded MST hub case */ - if (!aconnector->dsc_aux && is_synaptics_cascaded_panamera(aconnector->dc_link, port)) + if (is_synaptics_cascaded_panamera(aconnector->dc_link, port)) aconnector->dsc_aux = port->mgr->aux; if (!aconnector->dsc_aux)