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authorBen Skeggs <bskeggs@redhat.com>2012-04-30 13:55:29 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:55:53 +1000
commit5e120f6e4b3f35b741c5445dfc755f50128c3c44 (patch)
tree210b2bb8f5dccfcb4a6c134341fa31a633ba5243 /drivers/gpu/drm/nouveau/nouveau_drv.h
parentd375e7d56dffa564a6c337d2ed3217fb94826100 (diff)
downloadop-kernel-dev-5e120f6e4b3f35b741c5445dfc755f50128c3c44.zip
op-kernel-dev-5e120f6e4b3f35b741c5445dfc755f50128c3c44.tar.gz
drm/nouveau/fence: convert to exec engine, and improve channel sync
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h20
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 43a46f1..79eecf5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -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
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