linux/drivers/gpu/drm/nouveau/nouveau_chan.h
Ben Skeggs 49981046e3 drm/nve0: use async copy engine for ttm buffer moves if available
Kepler PFIFO lost the ability to address multiple engines from a single
channel, so we need a separate one for the copy engine.

v2: Marcin Slusarz <marcin.slusarz@gmail.com>
- regression fix: restore hw accelerated buffer copies

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-03 13:13:02 +10:00

48 lines
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C

#ifndef __NOUVEAU_CHAN_H__
#define __NOUVEAU_CHAN_H__
struct nouveau_cli;
struct nouveau_channel {
struct nouveau_cli *cli;
struct nouveau_drm *drm;
u32 handle;
u32 vram;
u32 gart;
struct {
struct nouveau_bo *buffer;
struct nouveau_vma vma;
u32 handle;
} push;
/* TODO: this will be reworked in the near future */
bool accel_done;
void *fence;
struct {
int max;
int free;
int cur;
int put;
int ib_base;
int ib_max;
int ib_free;
int ib_put;
} dma;
u32 user_get_hi;
u32 user_get;
u32 user_put;
struct nouveau_object *object;
};
int nouveau_channel_new(struct nouveau_drm *, struct nouveau_cli *,
u32 parent, u32 handle, u32 arg0, u32 arg1,
struct nouveau_channel **);
void nouveau_channel_del(struct nouveau_channel **);
int nouveau_channel_idle(struct nouveau_channel *);
#endif