diff options
| author | Akhil P Oommen <akhilpo@codeaurora.org> | 2020-10-19 18:49:17 +0530 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-11-04 08:26:26 -0800 |
| commit | a04c696c0a5494fb0ce5be4d9a5196e7f6dad4c6 (patch) | |
| tree | b7de0d612584765ceed42a3990406ce2915819ac | |
| parent | ab38764752e0786a04d34be8b09b49f159631ec9 (diff) | |
| download | linux-a04c696c0a5494fb0ce5be4d9a5196e7f6dad4c6.tar.bz2 | |
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: Akhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 58e03b20e1c7..87c8b033ad1a 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, |