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path: root/drivers/gpu/drm/radeon/radeon_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index dd0a78e954a..e5b70542738 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -159,6 +159,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
DRM_DEBUG_KMS("tiling config is r6xx+ only!\n");
return -EINVAL;
}
+ case RADEON_INFO_WANT_HYPERZ:
+ mutex_lock(&dev->struct_mutex);
+ if (rdev->hyperz_filp)
+ value = 0;
+ else {
+ rdev->hyperz_filp = filp;
+ value = 1;
+ }
+ mutex_unlock(&dev->struct_mutex);
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
@@ -199,9 +208,11 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
void radeon_driver_preclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
+ struct radeon_device *rdev = dev->dev_private;
+ if (rdev->hyperz_filp == file_priv)
+ rdev->hyperz_filp = NULL;
}
-
/*
* VBlank related functions.
*/