drm/nv50: move tlb flushing to a helper function

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 4 insertions, 30 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 1b2ab5a714ce..491767fe4fcf 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -118,21 +118,8 @@ nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
         dev_priv->engine.instmem.flush(nvbe->dev);
 
         if (dev_priv->card_type == NV_50) {
-                nv_wr32(dev, 0x100c80, 0x00050001);
-                if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
-                        NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
-                        NV_ERROR(dev, "0x100c80 = 0x%08x\n",
-                                                nv_rd32(dev, 0x100c80));
-                        return -EBUSY;
-                }
-
-                nv_wr32(dev, 0x100c80, 0x00000001);
-                if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
-                        NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
-                        NV_ERROR(dev, "0x100c80 = 0x%08x\n",
-                                                nv_rd32(dev, 0x100c80));
-                        return -EBUSY;
-                }
+                nv50_vm_flush(dev, 5); /* PGRAPH */
+                nv50_vm_flush(dev, 0); /* PFIFO */
         }
 
         nvbe->bound = true;
@@ -171,21 +158,8 @@ nouveau_sgdma_unbind(struct ttm_backend *be)
         dev_priv->engine.instmem.flush(nvbe->dev);
 
         if (dev_priv->card_type == NV_50) {
-                nv_wr32(dev, 0x100c80, 0x00050001);
-                if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
-                        NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
-                        NV_ERROR(dev, "0x100c80 = 0x%08x\n",
-                                                nv_rd32(dev, 0x100c80));
-                        return -EBUSY;
-                }
-
-                nv_wr32(dev, 0x100c80, 0x00000001);
-                if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
-                        NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
-                        NV_ERROR(dev, "0x100c80 = 0x%08x\n",
-                                                nv_rd32(dev, 0x100c80));
-                        return -EBUSY;
-                }
+                nv50_vm_flush(dev, 5);
+                nv50_vm_flush(dev, 0);
         }
 
         nvbe->bound = false;