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drm/rockchip: dw-dp: force runtime PM suspend on system suspend

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Signed-off-by: Wyon bi <bivvy.bi@rock-chips.com>
Change-Id: I6a5eee91ea92923b29e8a1950f09d4f5f9f93c8f
This commit is contained in:
Wyon bi
2022-01-07 18:17:22 +08:00
committed by Tao Huang
parent 3aa6ab2a5d
commit b31df11baa
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/rockchip/dw-dp.c
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@@ -2298,8 +2298,6 @@ static int dw_dp_bind(struct device *dev, struct device *master, void *data)
pm_runtime_enable(dp->dev);
pm_runtime_get_sync(dp->dev);
dw_dp_init(dp);
enable_irq(dp->irq);
return 0;
}
@@ -2308,7 +2306,6 @@ static void dw_dp_unbind(struct device *dev, struct device *master, void *data)
{
struct dw_dp *dp = dev_get_drvdata(dev);
disable_irq(dp->irq);
pm_runtime_put(dp->dev);
pm_runtime_disable(dp->dev);
@@ -2480,6 +2477,8 @@ static int __maybe_unused dw_dp_runtime_suspend(struct device *dev)
{
struct dw_dp *dp = dev_get_drvdata(dev);
disable_irq(dp->irq);
clk_bulk_disable_unprepare(dp->nr_clks, dp->clks);
return 0;
@@ -2495,14 +2494,19 @@ static int __maybe_unused dw_dp_runtime_resume(struct device *dev)
return ret;
reset_control_assert(dp->rstc);
usleep_range(10, 20);
udelay(10);
reset_control_deassert(dp->rstc);
dw_dp_init(dp);
enable_irq(dp->irq);
return 0;
}
static const struct dev_pm_ops dw_dp_pm_ops = {
SET_RUNTIME_PM_OPS(dw_dp_runtime_suspend, dw_dp_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
};
static const struct of_device_id dw_dp_of_match[] = {