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-rw-r--r--drivers/gpu/drm/drm_ioctl.c3
-rw-r--r--drivers/gpu/drm/drm_syncobj.c10
-rw-r--r--include/drm/drm_drv.h7
-rw-r--r--include/uapi/drm/drm.h1
4 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 5878145077d0..2263e3ddd822 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -245,6 +245,9 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_
case DRM_CAP_SYNCOBJ:
req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ);
return 0;
+ case DRM_CAP_SYNCOBJ_TIMELINE:
+ req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE);
+ return 0;
}
/* Other caps only work with KMS drivers */
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index d141dee38640..361a01a08c18 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -740,7 +740,7 @@ drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
struct drm_syncobj_transfer *args = data;
int ret;
- if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
return -EOPNOTSUPP;
if (args->pad)
@@ -1091,7 +1091,7 @@ drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
struct drm_syncobj **syncobjs;
int ret = 0;
- if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
return -EOPNOTSUPP;
if (args->flags & ~(DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL |
@@ -1195,7 +1195,7 @@ drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
uint32_t i, j;
int ret;
- if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
return -EOPNOTSUPP;
if (args->pad != 0)
@@ -1266,8 +1266,8 @@ int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
uint32_t i;
int ret;
- if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
- return -ENODEV;
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
+ return -EOPNOTSUPP;
if (args->pad != 0)
return -EINVAL;
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 5cc7f728ec73..68ca736c548d 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -91,6 +91,13 @@ enum drm_driver_feature {
* submission.
*/
DRIVER_SYNCOBJ = BIT(5),
+ /**
+ * @DRIVER_SYNCOBJ_TIMELINE:
+ *
+ * Driver supports the timeline flavor of &drm_syncobj for explicit
+ * synchronization of command submission.
+ */
+ DRIVER_SYNCOBJ_TIMELINE = BIT(6),
/* IMPORTANT: Below are all the legacy flags, add new ones above. */
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 236b01a1fabf..661d73f9a919 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -649,6 +649,7 @@ struct drm_gem_open {
#define DRM_CAP_PAGE_FLIP_TARGET 0x11
#define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12
#define DRM_CAP_SYNCOBJ 0x13
+#define DRM_CAP_SYNCOBJ_TIMELINE 0x14
/** DRM_IOCTL_GET_CAP ioctl argument type */
struct drm_get_cap {