diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_kms.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 80ba69b4860b..b4329f28e976 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -49,7 +49,10 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work) virtio_gpu_cmd_get_edids(vgdev); virtio_gpu_cmd_get_display_info(vgdev); virtio_gpu_notify(vgdev); - drm_helper_hpd_irq_event(vgdev->ddev); + wait_event_timeout(vgdev->resp_wq, + !vgdev->display_info_pending, + 5 * HZ); + drm_kms_helper_hotplug_event(vgdev->ddev); } events_clear |= VIRTIO_GPU_EVENT_DISPLAY; } @@ -124,7 +127,7 @@ int virtio_gpu_init(struct virtio_device *vdev, struct drm_device *dev) struct virtio_gpu_device *vgdev; /* this will expand later */ struct virtqueue *vqs[2]; - u32 num_scanouts, num_capsets; + u32 num_scanouts, num_capsets, blob_alignment; int ret = 0; if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) @@ -198,14 +201,22 @@ int virtio_gpu_init(struct virtio_device *vdev, struct drm_device *dev) if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_CONTEXT_INIT)) vgdev->has_context_init = true; + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_BLOB_ALIGNMENT)) { + vgdev->has_blob_alignment = true; + virtio_cread_le(vgdev->vdev, struct virtio_gpu_config, + blob_alignment, &blob_alignment); + vgdev->blob_alignment = blob_alignment; + } + DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible", vgdev->has_virgl_3d ? '+' : '-', vgdev->has_edid ? '+' : '-', vgdev->has_resource_blob ? '+' : '-', vgdev->has_host_visible ? '+' : '-'); - DRM_INFO("features: %ccontext_init\n", - vgdev->has_context_init ? '+' : '-'); + DRM_INFO("features: %ccontext_init %cblob_alignment\n", + vgdev->has_context_init ? '+' : '-', + vgdev->has_blob_alignment ? '+' : '-'); ret = virtio_find_vqs(vgdev->vdev, 2, vqs, vqs_info, NULL); if (ret) { |