linux_dsm_epyc7002/drivers/gpu/drm/nouveau/include/nvif/fifo.h
Ben Skeggs cc36205085 drm/nouveau/fifo/gk104-: support querying engines available on each runlist
Will be used to improve channel runlist selection.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:21 +10:00

19 lines
556 B
C

#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