1 files changed, 34 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4224-drm-amd-display-Free-gamma-after-calculating-legacy-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4224-drm-amd-display-Free-gamma-after-calculating-legacy-.patch
new file mode 100644
index 00000000..ee892995
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4224-drm-amd-display-Free-gamma-after-calculating-legacy-.patch
@@ -0,0 +1,34 @@
+From 80f4743bc70ce2ebd516b8d5657ee5862f20d202 Mon Sep 17 00:00:00 2001
+From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
+Date: Fri, 11 Oct 2019 12:26:10 -0400
+Subject: [PATCH 4224/4736] drm/amd/display: Free gamma after calculating
+ legacy transfer function
+
+[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@amd.com>
+Reviewed-by: Leo Li <sunpeng.li@amd.com>
+---
+ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+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 5005eb07159e..2eb1313c0728 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
+@@ -209,6 +209,7 @@ 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;
+ }
+ 
+-- 
+2.17.1
+