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PENDING: drm/msm/dp: disable HPD IRQ during shutdown to prevent IOMMU #772

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PENDING: drm/msm/dp: disable HPD IRQ during shutdown to prevent IOMMU #772

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10 changes: 10 additions & 0 deletions drivers/gpu/drm/msm/dp/dp_display.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1441,6 +1441,15 @@ static void msm_dp_display_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
}

static void msm_dp_display_shutdown(struct platform_device *pdev)
{
struct msm_dp_display_private *dp = dev_get_dp_display_private(&pdev->dev);

disable_irq(dp->irq);
synchronize_irq(dp->irq);
pm_runtime_disable(&pdev->dev);
}

static int msm_dp_pm_runtime_suspend(struct device *dev)
{
struct msm_dp_display_private *dp = dev_get_dp_display_private(dev);
Expand Down Expand Up @@ -1487,6 +1496,7 @@ static const struct dev_pm_ops msm_dp_pm_ops = {
static struct platform_driver msm_dp_display_driver = {
.probe = msm_dp_display_probe,
.remove = msm_dp_display_remove,
.shutdown = msm_dp_display_shutdown,
.driver = {
.name = "msm-dp-display",
.of_match_table = msm_dp_dt_match,
Expand Down