diff options
| -rw-r--r-- | drivers/gpu/msm/kgsl.c | 39 | ||||
| -rw-r--r-- | include/uapi/linux/msm_kgsl.h | 2 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index 02f0cb7eb16c..55ebc0a8e26c 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -1403,6 +1403,45 @@ long kgsl_ioctl_device_getproperty(struct kgsl_device_private *dev_priv, kgsl_context_put(context); break; } + case KGSL_PROP_SECURE_BUFFER_ALIGNMENT: + { + unsigned int align; + + if (param->sizebytes != sizeof(unsigned int)) { + result = -EINVAL; + break; + } + /* + * XPUv2 impose the constraint of 1MB memory alignment, + * on the other hand Hypervisor does not have such + * constraints. So driver should fulfill such + * requirements when allocating secure memory. + */ + align = MMU_FEATURE(&dev_priv->device->mmu, + KGSL_MMU_HYP_SECURE_ALLOC) ? PAGE_SIZE : SZ_1M; + + if (copy_to_user(param->value, &align, sizeof(align))) + result = -EFAULT; + + 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( diff --git a/include/uapi/linux/msm_kgsl.h b/include/uapi/linux/msm_kgsl.h index 13bb8b79359a..005fb8284524 100644 --- a/include/uapi/linux/msm_kgsl.h +++ b/include/uapi/linux/msm_kgsl.h @@ -322,6 +322,8 @@ enum kgsl_timestamp_type { #define KGSL_PROP_DEVICE_QDSS_STM 0x19 #define KGSL_PROP_DEVICE_QTIMER 0x20 #define KGSL_PROP_IB_TIMEOUT 0x21 +#define KGSL_PROP_SECURE_BUFFER_ALIGNMENT 0x23 +#define KGSL_PROP_SECURE_CTXT_SUPPORT 0x24 struct kgsl_shadowprop { unsigned long gpuaddr; |