This is a note to let you know that I've just added the patch titled
drm/amd/display: Free gamma after calculating legacy transfer function
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-free-gamma-after-calculating-legacy-.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 510754c7c276570a6ce0b277b6982ee663825baa
Author: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Date: Fri Oct 11 12:26:10 2019 -0400
drm/amd/display: Free gamma after calculating legacy transfer function
[ Upstream commit 0e3a7c2ec93b15f43a2653e52e9608484391aeaf ]
[Why]
We're leaking memory by not freeing the gamma used to calculate the
transfer function for legacy gamma.
[How]
Release the gamma after we're done with it.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Reviewed-by: Leo Li <sunpeng.li@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index b43bb7f90e4e9..2233d293a707a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -210,6 +210,8 @@ static int __set_legacy_tf(struct dc_transfer_func *func,
res = mod_color_calculate_regamma_params(func, gamma, true, has_rom,
NULL);
+ dc_gamma_release(&gamma);
+
return res ? 0 : -ENOMEM;
}
