[PATCH 5/7] drm/amd/display: re gamma programming
Harry Wentland
harry.wentland at amd.com
Wed Dec 14 22:35:46 UTC 2016
From: Vitaly Prosyak <vitaly.prosyak at amd.com>
Fix gamma update logic to avoid crash
Change-Id: I24a742a25c523f4dc931f5fa3e50d67cac4aa564
Signed-off-by: Vitaly Prosyak <vitaly.prosyak at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 75b6e404d016..9a35e3bb8283 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1445,7 +1445,8 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
}
}
- if (updates[i].gamma) {
+ if (updates[i].gamma && updates[i].gamma !=
+ surface->public.gamma_correction) {
if (surface->public.gamma_correction != NULL)
dc_gamma_release(surface->public.
gamma_correction);
--
2.9.3
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