1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2485-drm-amd-display-edp-backlight-regression-fix.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2485-drm-amd-display-edp-backlight-regression-fix.patch
new file mode 100644
index 00000000..12090bee
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2485-drm-amd-display-edp-backlight-regression-fix.patch
@@ -0,0 +1,43 @@
+From 2eb0a18fa7d753a85eddd8324ebe8cd9bbab104e Mon Sep 17 00:00:00 2001
+From: Yue Hin Lau <Yuehin.Lau@amd.com>
+Date: Tue, 19 Sep 2017 11:35:23 -0400
+Subject: [PATCH 2485/4131] drm/amd/display: edp backlight regression fix
+
+Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h | 5 +++++
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c   | 1 +
+ 2 files changed, 6 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
+index db6c19c..3e95f7f 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
+@@ -68,5 +68,10 @@ void dce110_fill_display_configs(
+ uint32_t dce110_get_min_vblank_time_us(const struct dc_state *context);
+ 
+ void dp_receiver_power_ctrl(struct dc_link *link, bool on);
++
++void hwss_blacklight_control(
++	struct dc_link *link,
++	bool enable);
++
+ #endif /* __DC_HWSS_DCE110_H__ */
+ 
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+index 82a985a..bf5c924 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+@@ -2897,6 +2897,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
+ 	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+ 	.ready_shared_resources = ready_shared_resources,
+ 	.optimize_shared_resources = optimize_shared_resources,
++	.backlight_control = hwss_blacklight_control
+ };
+ 
+ 
+-- 
+2.7.4
+