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 33E3C1EA80; Wed, 2 Oct 2024 14:43:43 +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=1727880223; cv=none; b=hu05kyIJCfBTtNd8ebLN0ea+/sSu4FGn5oE5zV3zF0ZqfXEo/oqIvz9n8THSI9hmGkexokvk4A+q/A0vIV/rVKVVmp5qdnZrbkvUtG7GECXAxG1oSC48qdT2d7E6LQ9/8oRdMdqGQI+yqJ/A5Yxyk3H+d2UADSOHQxv6JcS/1ag= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727880223; c=relaxed/simple; bh=I6nD897YVk+TqwEHNp2nkvL2YmXuXlnEigfk+dflyWo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YFcL8ELSch0yC1zvysRqHTJoK+KFWRI/h4gX3aJLozi2f6zHz0GKd0tj374dVI/L/oPHfZgUGK9b0ATOGN9U+84O4ce7ycPJ1WOIzwRV6oXMuvzOrr57v+xg8K9GgJFLjW7vgGu0OoEaYZParO2QnXEPt+KkmyrGD3szCOjzl0M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Zy8JCGBV; 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="Zy8JCGBV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF186C4CEC2; Wed, 2 Oct 2024 14:43:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1727880223; bh=I6nD897YVk+TqwEHNp2nkvL2YmXuXlnEigfk+dflyWo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zy8JCGBVMt8Or4IdiwyPtqqIy9rqADeG3vcHkaf000HcWIS4cu0wehRA62Iy4IJJK wWVqwD3syXjnFG8uqXhzTx4H4zzAHLte+UgYvsteD4zNH2BgL8o6e/iTnoNnzCdNdq vV38r6+91kqsAAT9x3QxojdwHKxd2o+4q9Fz+Cas= 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 6.6 385/538] drm/amd/display: Fix Synaptics Cascaded Panamera DSC Determination Date: Wed, 2 Oct 2024 15:00:24 +0200 Message-ID: <20241002125807.628069782@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241002125751.964700919@linuxfoundation.org> References: <20241002125751.964700919@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 6.6-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 @@ -246,7 +246,7 @@ 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)