From: Anthony Koo <[email protected]>

Change-Id: I1542e96e23c2b2b943c09d2099d2fd5426cb0868
Signed-off-by: Anthony Koo <[email protected]>
Reviewed-by: Aric Cyr <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
 drivers/gpu/drm/amd/display/modules/color/color.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/color/color.c 
b/drivers/gpu/drm/amd/display/modules/color/color.c
index 938867282d04..6d1b20f6bf98 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color.c
@@ -1748,8 +1748,10 @@ bool mod_color_remove_sink(struct mod_color *mod_color,
 
        for (i = 0; i < core_color->num_sinks; i++) {
                if (core_color->caps[i].sink == sink) {
-                       if (core_color->state[i].gamma)
+                       if (core_color->state[i].gamma) {
                                dc_gamma_release(core_color->state[i].gamma);
+                               core_color->state[i].gamma = NULL;
+                       }
 
                        /* To remove this sink, shift everything after down */
                        for (j = i; j < core_color->num_sinks - 1; j++) {
-- 
2.9.3

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