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From a85ef60753553a8e3da611043e7ff9ab56386076 Mon Sep 17 00:00:00 2001
From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Thu, 23 Mar 2017 10:34:06 -0400
Subject: [PATCH 0301/4131] drm/amd/display: Power on front end during set
mode.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index e5e52c7..2a3a39e 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1722,6 +1722,9 @@ enum dc_status dce110_apply_ctx_to_hw(
context,
dc);
+ if (dc->hwss.power_on_front_end)
+ dc->hwss.power_on_front_end(dc, pipe_ctx, context);
+
if (DC_OK != status)
return status;
}
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index bcb2672..077dc75 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -104,6 +104,11 @@ struct hw_sequencer_funcs {
enum pipe_gating_control power_gating);
void (*power_down_front_end)(struct core_dc *dc, struct pipe_ctx *pipe);
+
+ void (*power_on_front_end)(struct core_dc *dc,
+ struct pipe_ctx *pipe,
+ struct validate_context *context);
+
void (*update_info_frame)(struct pipe_ctx *pipe_ctx);
void (*enable_stream)(struct pipe_ctx *pipe_ctx);
--
2.7.4
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