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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0061-drm-amd-display-re-gamma-programming.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0061-drm-amd-display-re-gamma-programming.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0061-drm-amd-display-re-gamma-programming.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0061-drm-amd-display-re-gamma-programming.patch
new file mode 100644
index 00000000..8ddbee09
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0061-drm-amd-display-re-gamma-programming.patch
@@ -0,0 +1,32 @@
+From 25a5f43de1e6e42660b63e30772098d739b028c7 Mon Sep 17 00:00:00 2001
+From: Vitaly Prosyak <vitaly.prosyak@amd.com>
+Date: Tue, 13 Dec 2016 14:23:16 -0600
+Subject: [PATCH 0061/4131] drm/amd/display: re gamma programming
+
+Fix gamma update logic to avoid crash
+
+Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@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 75b6e40..9a35e3b 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);
+--
+2.7.4
+