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 --- drivers/gpu/drm/msm/adreno/adreno_device.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 58e03b2..87c8b03 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -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,