From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 1 Oct 2024 07:56:26 +0000 (+0200)
Subject: 5.15-stable patches
X-Git-Tag: v6.6.54~123
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=247e5417376c9ad456e2c5b34cd8c5773d1218fc;p=thirdparty%2Fkernel%2Fstable-queue.git

5.15-stable patches

added patches:
	drm-amd-display-fix-synaptics-cascaded-panamera-dsc-determination.patch
---

diff --git a/queue-5.15/drm-amd-display-fix-synaptics-cascaded-panamera-dsc-determination.patch b/queue-5.15/drm-amd-display-fix-synaptics-cascaded-panamera-dsc-determination.patch
new file mode 100644
index 00000000000..4ddc1aca660
--- /dev/null
+++ b/queue-5.15/drm-amd-display-fix-synaptics-cascaded-panamera-dsc-determination.patch
@@ -0,0 +1,34 @@
+From 4437936c6b696b98f3fe1d8679a2788c41b4df77 Mon Sep 17 00:00:00 2001
+From: Fangzhi Zuo <Jerry.Zuo@amd.com>
+Date: Mon, 12 Aug 2024 12:13:44 -0400
+Subject: drm/amd/display: Fix Synaptics Cascaded Panamera DSC Determination
+
+From: Fangzhi Zuo <Jerry.Zuo@amd.com>
+
+commit 4437936c6b696b98f3fe1d8679a2788c41b4df77 upstream.
+
+Synaptics Cascaded Panamera topology needs to unconditionally
+acquire root aux for dsc decoding.
+
+Reviewed-by: Roman Li <roman.li@amd.com>
+Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
+Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
+Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Cc: Mario Limonciello <superm1@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ 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)
diff --git a/queue-5.15/series b/queue-5.15/series
index 26957c8b11b..0272955b7e9 100644
--- a/queue-5.15/series
+++ b/queue-5.15/series
@@ -295,3 +295,4 @@ net-qrtr-update-packets-cloning-when-broadcasting.patch
 bonding-fix-unnecessary-warnings-and-logs-from-bond_.patch
 netfilter-nf_tables-keep-deleted-flowtable-hooks-unt.patch
 netfilter-ctnetlink-compile-ctnetlink_label_size-wit.patch
+drm-amd-display-fix-synaptics-cascaded-panamera-dsc-determination.patch