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Commit ab1d4015 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "disp: msm: dp: Reset dp sink power state during panel init"

parents 3e7ef1e1 8247a33d

msm/dp/dp_panel.c

+4 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#define pr_fmt(fmt)	"[drm-dp] %s: " fmt, __func__



#include "dp_panel.h"

#include <linux/unistd.h>

#include <drm/drm_fixed.h>



#define DP_KHZ_TO_HZ 1000
@@ -2459,6 +2460,9 @@ static int dp_panel_init_panel_info(struct dp_panel *dp_panel) 
	panel = container_of(dp_panel, struct dp_panel_private, dp_panel);

	pinfo = &dp_panel->pinfo;



	drm_dp_dpcd_writeb(panel->aux->drm_aux, DP_SET_POWER, DP_SET_POWER_D3);

	/* 200us propagation time for the power down to take effect */

	usleep_range(200, 205);

	drm_dp_dpcd_writeb(panel->aux->drm_aux, DP_SET_POWER, DP_SET_POWER_D0);



	/*