The patch below does not apply to the 5.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 0689dcf3e4d6b89cc2087139561dc12b60461dca Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 26 Oct 2020 10:25:36 -0400
Subject: [PATCH] drm/amdgpu/display: use kvzalloc again in dc_create_state
It looks this was accidently lost in a follow up patch.
dc context is large and we don't need contiguous pages.
Fixes: e4863f118a7d ("drm/amd/display: Multi display cause system lag on mode change")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Aric Cyr <aric.cyr@xxxxxxx>
Cc: Alex Xu <alex_y_xu@xxxxxxxx>
Reported-by: Alex Xu (Hello71) <alex_y_xu@xxxxxxxx>
Tested-by: Alex Xu (Hello71) <alex_y_xu@xxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 1eb29c362122..45ad05f6e03b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1571,8 +1571,8 @@ static void init_state(struct dc *dc, struct dc_state *context)
struct dc_state *dc_create_state(struct dc *dc)
{
- struct dc_state *context = kzalloc(sizeof(struct dc_state),
- GFP_KERNEL);
+ struct dc_state *context = kvzalloc(sizeof(struct dc_state),
+ GFP_KERNEL);
if (!context)
return NULL;
