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Commit 34b9a0d1 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: fbdev: add debug code to capture display wakeup latency"

parents 0a6ff723 2956a0e1

drivers/video/fbdev/msm/mdss_fb.c

+9 −1
Original line number Diff line number Diff line
@@ -2100,7 +2100,10 @@ static int mdss_fb_blank(int blank_mode, struct fb_info *info) 
	int ret;

	struct mdss_panel_data *pdata;

	struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)info->par;

	ktime_t start, end;

	s64 actual_time;



	start = ktime_get();

	ret = mdss_fb_pan_idle(mfd);

	if (ret) {

		pr_warn("mdss_fb_pan_idle for fb%d failed. ret=%d\n",
@@ -2133,7 +2136,12 @@ static int mdss_fb_blank(int blank_mode, struct fb_info *info) 
	}



	ret = mdss_fb_blank_sub(blank_mode, info, mfd->op_enable);

	MDSS_XLOG(blank_mode);

	end = ktime_get();

	actual_time = ktime_ms_delta(end, start);



	MDSS_XLOG(blank_mode, actual_time);

	pr_debug("blank_mode: %d and transition time: %lldms\n",

					blank_mode, actual_time);



end:

	mutex_unlock(&mfd->mdss_sysfs_lock);