diff options
| author | Sunil Khatri <sunilkh@codeaurora.org> | 2018-08-10 11:46:58 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-10-08 06:31:31 -0700 |
| commit | 4d6804439eb8f3f838bf0c91dd912dc41b2586a4 (patch) | |
| tree | b933ab5818ed955dead4e9a1e18f8b02b1abdd4e /drivers/gpu | |
| parent | 3d69d2b9493206838d2c2d7a41b71321a73a802a (diff) | |
msm: kgsl: Add a property to find if secure context is supported
Add a property to determine if a target support secure context
for use cases like CPZ.
This property can be used by userspace application to create
a secure context if its supported on the target.
Change-Id: I1ccc824378fb8fbd2cfbc7b811c6c3fdcd17803e
Signed-off-by: Sunil Khatri <sunilkh@codeaurora.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/msm/kgsl.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index 41c9faf3bdd5..55ebc0a8e26c 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -1425,6 +1425,23 @@ long kgsl_ioctl_device_getproperty(struct kgsl_device_private *dev_priv, break; } + case KGSL_PROP_SECURE_CTXT_SUPPORT: + { + unsigned int secure_ctxt; + + if (param->sizebytes != sizeof(unsigned int)) { + result = -EINVAL; + break; + } + + secure_ctxt = dev_priv->device->mmu.secured ? 1 : 0; + + if (copy_to_user(param->value, &secure_ctxt, + sizeof(secure_ctxt))) + result = -EFAULT; + + break; + } default: if (is_compat_task()) result = dev_priv->device->ftbl->getproperty_compat( |