summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/virtio/virtgpu_ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_ioctl.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index b24b11f25..e4f76f315 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -42,12 +42,19 @@
static void virtio_gpu_create_context_locked(struct virtio_gpu_device *vgdev,
struct virtio_gpu_fpriv *vfpriv)
{
- char dbgname[TASK_COMM_LEN];
+ if (vfpriv->explicit_debug_name) {
+ virtio_gpu_cmd_context_create(vgdev, vfpriv->ctx_id,
+ vfpriv->context_init,
+ strlen(vfpriv->debug_name),
+ vfpriv->debug_name);
+ } else {
+ char dbgname[TASK_COMM_LEN];
- get_task_comm(dbgname, current);
- virtio_gpu_cmd_context_create(vgdev, vfpriv->ctx_id,
- vfpriv->context_init, strlen(dbgname),
- dbgname);
+ get_task_comm(dbgname, current);
+ virtio_gpu_cmd_context_create(vgdev, vfpriv->ctx_id,
+ vfpriv->context_init, strlen(dbgname),
+ dbgname);
+ }
vfpriv->context_created = true;
}
@@ -107,6 +114,9 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
case VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs:
value = vgdev->capset_id_mask;
break;
+ case VIRTGPU_PARAM_EXPLICIT_DEBUG_NAME:
+ value = vgdev->has_context_init ? 1 : 0;
+ break;
default:
return -EINVAL;
}
@@ -565,8 +575,8 @@ static int virtio_gpu_context_init_ioctl(struct drm_device *dev,
void *data, struct drm_file *file)
{
int ret = 0;
- uint32_t num_params, i, param, value;
- uint64_t valid_ring_mask;
+ uint32_t num_params, i;
+ uint64_t valid_ring_mask, param, value;
size_t len;
struct drm_virtgpu_context_set_param *ctx_set_params = NULL;
struct virtio_gpu_device *vgdev = dev->dev_private;
@@ -580,7 +590,7 @@ static int virtio_gpu_context_init_ioctl(struct drm_device *dev,
return -EINVAL;
/* Number of unique parameters supported at this time. */
- if (num_params > 3)
+ if (num_params > 4)
return -EINVAL;
ctx_set_params = memdup_user(u64_to_user_ptr(args->ctx_set_params),
@@ -642,6 +652,21 @@ static int virtio_gpu_context_init_ioctl(struct drm_device *dev,
vfpriv->ring_idx_mask = value;
break;
+ case VIRTGPU_CONTEXT_PARAM_DEBUG_NAME:
+ if (vfpriv->explicit_debug_name) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ ret = strncpy_from_user(vfpriv->debug_name,
+ u64_to_user_ptr(value),
+ DEBUG_NAME_MAX_LEN - 1);
+ if (ret < 0)
+ goto out_unlock;
+
+ vfpriv->explicit_debug_name = true;
+ ret = 0;
+ break;
default:
ret = -EINVAL;
goto out_unlock;