diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index be2c1224e68a..d3352889a870 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -250,6 +250,18 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; } break; + case RADEON_INFO_VA_START: + /* this is where we report if vm is supported or not */ + if (rdev->family < CHIP_CAYMAN) + return -EINVAL; + value = RADEON_VA_RESERVED_SIZE; + break; + case RADEON_INFO_IB_VM_MAX_SIZE: + /* this is where we report if vm is supported or not */ + if (rdev->family < CHIP_CAYMAN) + return -EINVAL; + value = RADEON_IB_VM_MAX_SIZE; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; @@ -270,7 +282,6 @@ int radeon_driver_firstopen_kms(struct drm_device *dev) return 0; } - void radeon_driver_lastclose_kms(struct drm_device *dev) { vga_switcheroo_process_delayed_switch(); @@ -278,12 +289,45 @@ void radeon_driver_lastclose_kms(struct drm_device *dev) int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { + struct radeon_device *rdev = dev->dev_private; + + file_priv->driver_priv = NULL; + + /* new gpu have virtual address space support */ + if (rdev->family >= CHIP_CAYMAN) { + struct radeon_fpriv *fpriv; + int r; + + fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); + if (unlikely(!fpriv)) { + return -ENOMEM; + } + + r = radeon_vm_init(rdev, &fpriv->vm); + if (r) { + radeon_vm_fini(rdev, &fpriv->vm); + kfree(fpriv); + return r; + } + + file_priv->driver_priv = fpriv; + } return 0; } void radeon_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv) { + struct radeon_device *rdev = dev->dev_private; + + /* new gpu have virtual address space support */ + if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) { + struct radeon_fpriv *fpriv = file_priv->driver_priv; + + radeon_vm_fini(rdev, &fpriv->vm); + kfree(fpriv); + file_priv->driver_priv = NULL; + } } void radeon_driver_preclose_kms(struct drm_device *dev, @@ -451,5 +495,6 @@ struct drm_ioctl_desc radeon_ioctls_kms[] = { DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED), DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED), }; int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms); |