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drm/nouveau/fence: convert to exec engine, and improve channel sync

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Now have a somewhat simpler semaphore sync implementation for nv17:nv84,
and a switched to using semaphores as fences on nv84+ and making use of
the hardware's >= acquire operation.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2012-04-30 13:55:29 +10:00
förälder d375e7d56d
incheckning 5e120f6e4b
14 ändrade filer med 851 tillägg och 473 borttagningar
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20
drivers/gpu/drm/nouveau/nouveau_drv.h
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@@ -165,6 +165,7 @@ enum nouveau_flags {
#define NVOBJ_ENGINE_PPP NVOBJ_ENGINE_MPEG
#define NVOBJ_ENGINE_BSP 6
#define NVOBJ_ENGINE_VP 7
#define NVOBJ_ENGINE_FENCE 14
#define NVOBJ_ENGINE_DISPLAY 15
#define NVOBJ_ENGINE_NR 16
@@ -234,17 +235,6 @@ struct nouveau_channel {
uint32_t user_get_hi;
uint32_t user_put;
/* Fencing */
struct {
/* lock protects the pending list only */
spinlock_t lock;
struct list_head pending;
uint32_t sequence;
uint32_t sequence_ack;
atomic_t last_sequence_irq;
struct nouveau_vma vma;
} fence;
/* DMA push buffer */
struct nouveau_gpuobj *pushbuf;
struct nouveau_bo *pushbuf_bo;
@@ -1443,13 +1433,6 @@ extern int nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
struct nouveau_vma *);
extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
/* nouveau_fence.c */
int nouveau_fence_init(struct drm_device *);
void nouveau_fence_fini(struct drm_device *);
int nouveau_fence_channel_init(struct nouveau_channel *);
void nouveau_fence_channel_fini(struct nouveau_channel *);
void nouveau_fence_work(struct nouveau_fence *fence,
void (*work)(void *priv, bool signalled), void *priv);
/* nouveau_gem.c */
extern int nouveau_gem_new(struct drm_device *, int size, int align,
uint32_t domain, uint32_t tile_mode,
@@ -1746,6 +1729,7 @@ nv44_graph_class(struct drm_device *dev)
#define NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL 0x00000001
#define NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG 0x00000002
#define NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL 0x00000004
#define NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD 0x00001000
#define NV84_SUBCHAN_NOTIFY_INTR 0x00000020
#define NV84_SUBCHAN_WRCACHE_FLUSH 0x00000024
#define NV10_SUBCHAN_REF_CNT 0x00000050