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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif/fifo.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/fifo.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/fifo.h b/drivers/gpu/drm/nouveau/include/nvif/fifo.h
new file mode 100644
index 000000000..e9468c9f9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/fifo.h
@@ -0,0 +1,18 @@
+#ifndef __NVIF_FIFO_H__
+#define __NVIF_FIFO_H__
+#include <nvif/device.h>
+
+/* Returns mask of runlists that support a NV_DEVICE_INFO_ENGINE_* type. */
+u64 nvif_fifo_runlist(struct nvif_device *, u64 engine);
+
+/* CE-supporting runlists (excluding GRCE, if others exist). */
+static inline u64
+nvif_fifo_runlist_ce(struct nvif_device *device)
+{
+ u64 runmgr = nvif_fifo_runlist(device, NV_DEVICE_INFO_ENGINE_GR);
+ u64 runmce = nvif_fifo_runlist(device, NV_DEVICE_INFO_ENGINE_CE);
+ if (runmce && !(runmce &= ~runmgr))
+ runmce = runmgr;
+ return runmce;
+}
+#endif