diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2021-12-01 02:23:25 +0300 |
|---|---|---|
| committer |   Thierry Reding <treding@nvidia.com> | 2021-12-16 14:07:08 +0100 |
| commit | 58ed47adcabb4ce13a60f56230074805957822fa (patch) | |
| tree | 5cab63037994623082528aa19f9e4a620d489b3c /drivers/gpu/drm/tegra/drm.c | |
| parent | drm/tegra: submit: Remove pm_runtime_enabled() checks (diff) | |
| download | linux-dev-58ed47adcabb4ce13a60f56230074805957822fa.tar.xz linux-dev-58ed47adcabb4ce13a60f56230074805957822fa.zip | |
drm/tegra: Consolidate runtime PM management of older UAPI codepath
Move runtime PM management of older UAPI code paths into the common place.
This removes boilerplate code from client drivers.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 2e7da2a7505d..dc04ce329be3 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -10,6 +10,7 @@ #include <linux/iommu.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <drm/drm_aperture.h> #include <drm/drm_atomic.h> @@ -116,6 +117,7 @@ static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) static void tegra_drm_context_free(struct tegra_drm_context *context) { context->client->ops->close_channel(context); + pm_runtime_put(context->client->base.dev); kfree(context); } @@ -427,13 +429,20 @@ static int tegra_client_open(struct tegra_drm_file *fpriv, { int err; + err = pm_runtime_resume_and_get(client->base.dev); + if (err) + return err; + err = client->ops->open_channel(client, context); - if (err < 0) + if (err < 0) { + pm_runtime_put(client->base.dev); return err; + } err = idr_alloc(&fpriv->legacy_contexts, context, 1, 0, GFP_KERNEL); if (err < 0) { client->ops->close_channel(context); + pm_runtime_put(client->base.dev); return err; } |