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Commit 15c1a919 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/panel: simple: Allow GPIO accesses to sleep 



The enable GPIO for panels may be provided by GPIO expanders on slow
busses (such as I2C), and therefore toggling the GPIO may sleep. Since
these accesses don't happen in interrupt context, use the *_cansleep()
variants of the GPIO API.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 887eb66e

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

+2 −2
Original line number Diff line number Diff line
@@ -106,7 +106,7 @@ static int panel_simple_disable(struct drm_panel *panel) 
	}



	if (p->enable_gpio)

		gpiod_set_value(p->enable_gpio, 0);

		gpiod_set_value_cansleep(p->enable_gpio, 0);



	regulator_disable(p->supply);

	p->enabled = false;
@@ -129,7 +129,7 @@ static int panel_simple_enable(struct drm_panel *panel) 
	}



	if (p->enable_gpio)

		gpiod_set_value(p->enable_gpio, 1);

		gpiod_set_value_cansleep(p->enable_gpio, 1);



	if (p->backlight) {

		p->backlight->props.power = FB_BLANK_UNBLANK;