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authorGurchetan Singh <gurchetansingh@chromium.org>2020-09-24 03:31:57 +0300
committerGerd Hoffmann <kraxel@redhat.com>2020-09-29 12:22:46 +0300
commit0ce0729656382da069d64d21ab4bed5434f79559 (patch)
treed9b31e3ed46e9959268303cc0d76e5edc28a6796 /drivers/gpu/drm/virtio
parent30172efbfb842cd898e34fea8694ed250200eaab (diff)
downloadlinux-0ce0729656382da069d64d21ab4bed5434f79559.tar.xz
drm/virtio: blob prep: make CPU responses more generic
RESOURCE_MAP_BLOB / RESOURCE_UNMAP_BLOB can use this. Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org> Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-2-gurchetansingh@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/virtio')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_drv.h6
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_prime.c6
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_vq.c10
3 files changed, 11 insertions, 11 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 55c34b4fc3e9..272abe177ded 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -49,9 +49,9 @@
#define DRIVER_MINOR 1
#define DRIVER_PATCHLEVEL 0
-#define UUID_INITIALIZING 0
-#define UUID_INITIALIZED 1
-#define UUID_INITIALIZATION_FAILED 2
+#define STATE_INITIALIZING 0
+#define STATE_OK 1
+#define STATE_ERR 2
struct virtio_gpu_object_params {
uint32_t format;
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
index acd14ef73d56..3552db128ba3 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -34,8 +34,8 @@ static int virtgpu_virtio_get_uuid(struct dma_buf *buf,
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
struct virtio_gpu_device *vgdev = obj->dev->dev_private;
- wait_event(vgdev->resp_wq, bo->uuid_state != UUID_INITIALIZING);
- if (bo->uuid_state != UUID_INITIALIZED)
+ wait_event(vgdev->resp_wq, bo->uuid_state != STATE_INITIALIZING);
+ if (bo->uuid_state != STATE_OK)
return -ENODEV;
uuid_copy(uuid, &bo->uuid);
@@ -81,7 +81,7 @@ struct dma_buf *virtgpu_gem_prime_export(struct drm_gem_object *obj,
return ERR_PTR(ret);
virtio_gpu_notify(vgdev);
} else {
- bo->uuid_state = UUID_INITIALIZATION_FAILED;
+ bo->uuid_state = STATE_ERR;
}
exp_info.ops = &virtgpu_dmabuf_ops.ops;
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index a7550044b8b2..55529ed97d9c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -1127,14 +1127,14 @@ static void virtio_gpu_cmd_resource_uuid_cb(struct virtio_gpu_device *vgdev,
uint32_t resp_type = le32_to_cpu(resp->hdr.type);
spin_lock(&vgdev->resource_export_lock);
- WARN_ON(obj->uuid_state != UUID_INITIALIZING);
+ WARN_ON(obj->uuid_state != STATE_INITIALIZING);
if (resp_type == VIRTIO_GPU_RESP_OK_RESOURCE_UUID &&
- obj->uuid_state == UUID_INITIALIZING) {
+ obj->uuid_state == STATE_INITIALIZING) {
memcpy(&obj->uuid.b, resp->uuid, sizeof(obj->uuid.b));
- obj->uuid_state = UUID_INITIALIZED;
+ obj->uuid_state = STATE_OK;
} else {
- obj->uuid_state = UUID_INITIALIZATION_FAILED;
+ obj->uuid_state = STATE_ERR;
}
spin_unlock(&vgdev->resource_export_lock);
@@ -1153,7 +1153,7 @@ virtio_gpu_cmd_resource_assign_uuid(struct virtio_gpu_device *vgdev,
resp_buf = kzalloc(sizeof(*resp_buf), GFP_KERNEL);
if (!resp_buf) {
spin_lock(&vgdev->resource_export_lock);
- bo->uuid_state = UUID_INITIALIZATION_FAILED;
+ bo->uuid_state = STATE_ERR;
spin_unlock(&vgdev->resource_export_lock);
virtio_gpu_array_put_free(objs);
return -ENOMEM;