diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c index 4c3b0a2..668cf96 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c @@ -29,10 +29,10 @@ #include <subdev/fb.h> #include <subdev/vm.h> #include <subdev/ltcg.h> +#include <subdev/bar.h> struct nvc0_vmmgr_priv { struct nouveau_vmmgr base; - spinlock_t lock; }; @@ -160,40 +160,40 @@ nvc0_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) } } -void -nvc0_vm_flush_engine(struct nouveau_subdev *subdev, u64 addr, int type) -{ - struct nvc0_vmmgr_priv *priv = (void *)nouveau_vmmgr(subdev); - unsigned long flags; - - /* looks like maybe a "free flush slots" counter, the - * faster you write to 0x100cbc to more it decreases - */ - spin_lock_irqsave(&priv->lock, flags); - if (!nv_wait_ne(subdev, 0x100c80, 0x00ff0000, 0x00000000)) { - nv_error(subdev, "vm timeout 0: 0x%08x %d\n", - nv_rd32(subdev, 0x100c80), type); - } - - nv_wr32(subdev, 0x100cb8, addr >> 8); - nv_wr32(subdev, 0x100cbc, 0x80000000 | type); - - /* wait for flush to be queued? */ - if (!nv_wait(subdev, 0x100c80, 0x00008000, 0x00008000)) { - nv_error(subdev, "vm timeout 1: 0x%08x %d\n", - nv_rd32(subdev, 0x100c80), type); - } - spin_unlock_irqrestore(&priv->lock, flags); -} - static void nvc0_vm_flush(struct nouveau_vm *vm) { + struct nvc0_vmmgr_priv *priv = (void *)vm->vmm; + struct nouveau_bar *bar = nouveau_bar(priv); struct nouveau_vm_pgd *vpgd; + u32 type; + + bar->flush(bar); + + type = 0x00000001; /* PAGE_ALL */ + if (atomic_read(&vm->engref[NVDEV_SUBDEV_BAR])) + type |= 0x00000004; /* HUB_ONLY */ + mutex_lock(&nv_subdev(priv)->mutex); list_for_each_entry(vpgd, &vm->pgd_list, head) { - nvc0_vm_flush_engine(nv_subdev(vm->vmm), vpgd->obj->addr, 1); + /* looks like maybe a "free flush slots" counter, the + * faster you write to 0x100cbc to more it decreases + */ + if (!nv_wait_ne(priv, 0x100c80, 0x00ff0000, 0x00000000)) { + nv_error(priv, "vm timeout 0: 0x%08x %d\n", + nv_rd32(priv, 0x100c80), type); + } + + nv_wr32(priv, 0x100cb8, vpgd->obj->addr >> 8); + nv_wr32(priv, 0x100cbc, 0x80000000 | type); + + /* wait for flush to be queued? */ + if (!nv_wait(priv, 0x100c80, 0x00008000, 0x00008000)) { + nv_error(priv, "vm timeout 1: 0x%08x %d\n", + nv_rd32(priv, 0x100c80), type); + } } + mutex_unlock(&nv_subdev(priv)->mutex); } static int @@ -227,7 +227,6 @@ nvc0_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->base.map_sg = nvc0_vm_map_sg; priv->base.unmap = nvc0_vm_unmap; priv->base.flush = nvc0_vm_flush; - spin_lock_init(&priv->lock); return 0; } |