diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c | 56 |
1 files changed, 34 insertions, 22 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c index e067f81c97b3..07dd1fe2d6fb 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c @@ -27,11 +27,11 @@ #include <subdev/timer.h> #include <subdev/fb.h> +#include <subdev/bar.h> #include <subdev/vm.h> struct nv50_vmmgr_priv { struct nouveau_vmmgr base; - spinlock_t lock; }; static void @@ -86,8 +86,8 @@ nv50_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, /* IGPs don't have real VRAM, re-target to stolen system memory */ target = 0; - if (nouveau_fb(vma->vm->vmm)->ram.stolen) { - phys += nouveau_fb(vma->vm->vmm)->ram.stolen; + if (nouveau_fb(vma->vm->vmm)->ram->stolen) { + phys += nouveau_fb(vma->vm->vmm)->ram->stolen; target = 3; } @@ -151,29 +151,42 @@ nv50_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) static void nv50_vm_flush(struct nouveau_vm *vm) { + struct nv50_vmmgr_priv *priv = (void *)vm->vmm; + struct nouveau_bar *bar = nouveau_bar(priv); struct nouveau_engine *engine; - int i; + int i, vme; + + bar->flush(bar); + mutex_lock(&nv_subdev(priv)->mutex); for (i = 0; i < NVDEV_SUBDEV_NR; i++) { - if (atomic_read(&vm->engref[i])) { - engine = nouveau_engine(vm->vmm, i); - if (engine && engine->tlb_flush) - engine->tlb_flush(engine); + if (!atomic_read(&vm->engref[i])) + continue; + + /* unfortunate hw bug workaround... */ + engine = nouveau_engine(priv, i); + if (engine && engine->tlb_flush) { + engine->tlb_flush(engine); + continue; } - } -} -void -nv50_vm_flush_engine(struct nouveau_subdev *subdev, int engine) -{ - struct nv50_vmmgr_priv *priv = (void *)nouveau_vmmgr(subdev); - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - nv_wr32(subdev, 0x100c80, (engine << 16) | 1); - if (!nv_wait(subdev, 0x100c80, 0x00000001, 0x00000000)) - nv_error(subdev, "vm flush timeout: engine %d\n", engine); - spin_unlock_irqrestore(&priv->lock, flags); + switch (i) { + case NVDEV_ENGINE_GR : vme = 0x00; break; + case NVDEV_ENGINE_VP : vme = 0x01; break; + case NVDEV_SUBDEV_BAR : vme = 0x06; break; + case NVDEV_ENGINE_MPEG : vme = 0x08; break; + case NVDEV_ENGINE_BSP : vme = 0x09; break; + case NVDEV_ENGINE_CRYPT: vme = 0x0a; break; + case NVDEV_ENGINE_COPY0: vme = 0x0d; break; + default: + continue; + } + + nv_wr32(priv, 0x100c80, (vme << 16) | 1); + if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) + nv_error(priv, "vm flush timeout: engine %d\n", vme); + } + mutex_unlock(&nv_subdev(priv)->mutex); } static int @@ -211,7 +224,6 @@ nv50_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->base.map_sg = nv50_vm_map_sg; priv->base.unmap = nv50_vm_unmap; priv->base.flush = nv50_vm_flush; - spin_lock_init(&priv->lock); return 0; } |