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drm/panel: panel-simple: Don't init gpio value at probe

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When enable display on loader, init gpio would change
gpio status, that would make screen flash.

Change-Id: I4b69a8d3d83c5bef09014c2134abaee6522a7046
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
This commit is contained in:
Sandy Huang
2019-07-04 14:09:42 +08:00
committed by Tao Huang
parent 9d969d5904
commit f24d59c6dd
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/panel/panel-simple.c
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@@ -585,8 +585,8 @@ static int panel_simple_suspend(struct device *dev)
}
}
gpiod_set_value_cansleep(p->reset_gpio, 1);
gpiod_set_value_cansleep(p->enable_gpio, 0);
gpiod_direction_output(p->reset_gpio, 1);
gpiod_direction_output(p->enable_gpio, 0);
panel_simple_regulator_disable(p);
@@ -630,7 +630,7 @@ static int panel_simple_resume(struct device *dev)
return err;
}
gpiod_set_value_cansleep(p->enable_gpio, 1);
gpiod_direction_output(p->enable_gpio, 1);
if (p->desc->delay.prepare)
panel_simple_msleep(p->desc->delay.prepare);
@@ -642,12 +642,12 @@ static int panel_simple_resume(struct device *dev)
return 0;
}
gpiod_set_value_cansleep(p->reset_gpio, 1);
gpiod_direction_output(p->reset_gpio, 1);
if (p->desc->delay.reset)
panel_simple_msleep(p->desc->delay.reset);
gpiod_set_value_cansleep(p->reset_gpio, 0);
gpiod_direction_output(p->reset_gpio, 0);
if (p->desc->delay.init)
panel_simple_msleep(p->desc->delay.init);