Commit a04c696c authored by Akhil P Oommen's avatar Akhil P Oommen Committed by Rob Clark
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drm/msm: Implement shutdown callback for adreno 



Implement the shutdown callback for adreno gpu platform device
to safely shutdown it before a system reboot. This helps to avoid
futher transactions from gpu after the smmu is moved to bypass mode.

Signed-off-by: default avatarAkhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent ab387647

drivers/gpu/drm/msm/adreno/adreno_device.c

+6 −0
Original line number Diff line number Diff line
@@ -475,6 +475,11 @@ static int adreno_remove(struct platform_device *pdev) 
	return 0;

}



static void adreno_shutdown(struct platform_device *pdev)

{

	pm_runtime_force_suspend(&pdev->dev);

}



static const struct of_device_id dt_match[] = {

	{ .compatible = "qcom,adreno" },

	{ .compatible = "qcom,adreno-3xx" },
@@ -509,6 +514,7 @@ static const struct dev_pm_ops adreno_pm_ops = { 
static struct platform_driver adreno_driver = {

	.probe = adreno_probe,

	.remove = adreno_remove,

	.shutdown = adreno_shutdown,

	.driver = {

		.name = "adreno",

		.of_match_table = dt_match,