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 51E161D0E39; Wed, 2 Oct 2024 14:16:03 +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=1727878563; cv=none; b=lfPaNUTFmodE1/SzBiAlGiZbgScC3YT3x0zzoE3LxJOTW0wq5R0m4EMPlushMUqHrkIfTAe7HZltbKAuNhGCDzvmC0SK7h8wX+VoV01ce9P2BWAHH4gOjsr1dMnfc72kqL/B39MY9ac+XFLFsmGtPwYqT8IQjxzi5F0y+wxSrAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727878563; c=relaxed/simple; bh=aTk4ghF6p5y4Rv6YJjwbwTuLimYkK5WZ1GtYOLQ4y/o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PBvBXr+WFPRGttuMQzx76JApG2hR/rF3mMXSsRLn4NRny4alZm2N1mqC7PzQuc74gJESyMESypJfFoOwJvYQmw8GYQDvpAVh0RfD+SBwwolvsqq+1MNfOa37Z4pCBE2fynjUklYD5Z/3SYZLsi/aWb1I0DcV2L1rji9p4UpXfDs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vxVVvHOO; 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="vxVVvHOO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD697C4CEC2; Wed, 2 Oct 2024 14:16:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1727878563; bh=aTk4ghF6p5y4Rv6YJjwbwTuLimYkK5WZ1GtYOLQ4y/o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vxVVvHOORJy14LZHKt+C1rDLH7uURo3tbb88uDkjKsTpSCMhlwWDkkaRztDWQ8VJt 1l/Tsk+Zv2Hg9KTvrjOA+9P1F5d3ZrdXqnUIRijfMYiJAZIBg/wjKRfqqlpgEbkOO/ zz7+Vki8oJWgW4r086QKNQ0a49eWOHzLZSzW3aAc= 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 6.10 456/634] drm/amd/display: Fix Synaptics Cascaded Panamera DSC Determination Date: Wed, 2 Oct 2024 14:59:16 +0200 Message-ID: <20241002125829.101773044@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241002125811.070689334@linuxfoundation.org> References: <20241002125811.070689334@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.10-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 @@ -251,7 +251,7 @@ static bool validate_dsc_caps_on_connect aconnector->dsc_aux = &aconnector->mst_root->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)