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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
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