Commit 7e682946 authored by Drew Davenport's avatar Drew Davenport Committed by Douglas Anderson
Browse files

drm/panel-simple: Use ktime_get_boottime for delays 



ktime_get_boottime continues while the device is suspended. This change
ensures that the resume path will not be delayed if the power off delay
has already been met while the device is suspended

Signed-off-by: default avatarDrew Davenport <ddavenport@chromium.org>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.3.Iebd9f79aba0a62015fd2383fe6986c2d6fe12cfd@changeid
parent 62e43673

drivers/gpu/drm/panel/panel-simple.c

+3 −3
Original line number Diff line number Diff line
@@ -280,7 +280,7 @@ static void panel_simple_wait(ktime_t start_ktime, unsigned int min_ms) 
		return;



	min_ktime = ktime_add(start_ktime, ms_to_ktime(min_ms));

	now_ktime = ktime_get();

	now_ktime = ktime_get_boottime();



	if (ktime_before(now_ktime, min_ktime))

		msleep(ktime_to_ms(ktime_sub(min_ktime, now_ktime)) + 1);
@@ -307,7 +307,7 @@ static int panel_simple_suspend(struct device *dev) 


	gpiod_set_value_cansleep(p->enable_gpio, 0);

	regulator_disable(p->supply);

	p->unprepared_time = ktime_get();

	p->unprepared_time = ktime_get_boottime();



	kfree(p->edid);

	p->edid = NULL;
@@ -351,7 +351,7 @@ static int panel_simple_resume(struct device *dev) 
	if (p->desc->delay.prepare)

		msleep(p->desc->delay.prepare);



	p->prepared_time = ktime_get();

	p->prepared_time = ktime_get_boottime();



	return 0;

}