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drm/msm: Implement shutdown callback for adreno

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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: Akhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Akhil P Oommen 2020-10-19 18:49:17 +05:30 • committed by Rob Clark
parent ab38764752
commit a04c696c0a
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/msm/adreno/adreno_device.c
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@ -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,