diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/graph/nv50.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c index 1ac36110ca19..03de5175dd9f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c @@ -186,13 +186,6 @@ nv50_graph_cclass = { * PGRAPH engine/subdev functions ******************************************************************************/ -static int -nv50_graph_tlb_flush(struct nouveau_engine *engine) -{ - nv50_vm_flush_engine(&engine->base, 0x00); - return 0; -} - static const struct nouveau_bitfield nv50_pgraph_status[] = { { 0x00000001, "BUSY" }, /* set when any bit is set */ { 0x00000002, "DISPATCH" }, @@ -302,8 +295,10 @@ nv84_graph_tlb_flush(struct nouveau_engine *engine) nv_rd32(priv, 0x400388)); } - nv50_vm_flush_engine(&engine->base, 0x00); + nv_wr32(priv, 0x100c80, 0x00000001); + if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) + nv_error(priv, "vm flush timeout\n"); nv_mask(priv, 0x400500, 0x00000001, 0x00000001); spin_unlock_irqrestore(&priv->lock, flags); return timeout ? -EBUSY : 0; @@ -857,10 +852,9 @@ nv50_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine, }; - if (nv_device(priv)->chipset == 0x50 || - nv_device(priv)->chipset == 0xac) - nv_engine(priv)->tlb_flush = nv50_graph_tlb_flush; - else + /* unfortunate hw bug workaround... */ + if (nv_device(priv)->chipset != 0x50 && + nv_device(priv)->chipset != 0xac) nv_engine(priv)->tlb_flush = nv84_graph_tlb_flush; spin_lock_init(&priv->lock); |