drm/nouveau: move + rename some stuff in nouveau_sgdma.c

In preparation for the addition of a new nv40 pcie backend.

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

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 07b115184b876f2e2577bba59fbae8c2be31fd80..a6002f456899f344bf8318ddb89e9153bde479da 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -89,8 +89,24 @@ nouveau_sgdma_clear(struct ttm_backend *be)
        }
 }
 
+static void
+nouveau_sgdma_destroy(struct ttm_backend *be)
+{
+       struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+
+       if (be) {
+               NV_DEBUG(nvbe->dev, "\n");
+
+               if (nvbe) {
+                       if (nvbe->pages)
+                               be->func->clear(be);
+                       kfree(nvbe);
+               }
+       }
+}
+
 static int
-nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 {
        struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
        struct drm_device *dev = nvbe->dev;
@@ -117,7 +133,7 @@ nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 }
 
 static int
-nouveau_sgdma_unbind(struct ttm_backend *be)
+nv04_sgdma_unbind(struct ttm_backend *be)
 {
        struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
        struct drm_device *dev = nvbe->dev;
@@ -140,21 +156,13 @@ nouveau_sgdma_unbind(struct ttm_backend *be)
        return 0;
 }
 
-static void
-nouveau_sgdma_destroy(struct ttm_backend *be)
-{
-       struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
-
-       if (be) {
-               NV_DEBUG(nvbe->dev, "\n");
-
-               if (nvbe) {
-                       if (nvbe->pages)
-                               be->func->clear(be);
-                       kfree(nvbe);
-               }
-       }
-}
+static struct ttm_backend_func nv04_sgdma_backend = {
+       .populate               = nouveau_sgdma_populate,
+       .clear                  = nouveau_sgdma_clear,
+       .bind                   = nv04_sgdma_bind,
+       .unbind                 = nv04_sgdma_unbind,
+       .destroy                = nouveau_sgdma_destroy
+};
 
 static int
 nv50_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
@@ -185,14 +193,6 @@ nv50_sgdma_unbind(struct ttm_backend *be)
        return 0;
 }
 
-static struct ttm_backend_func nouveau_sgdma_backend = {
-       .populate               = nouveau_sgdma_populate,
-       .clear                  = nouveau_sgdma_clear,
-       .bind                   = nouveau_sgdma_bind,
-       .unbind                 = nouveau_sgdma_unbind,
-       .destroy                = nouveau_sgdma_destroy
-};
-
 static struct ttm_backend_func nv50_sgdma_backend = {
        .populate               = nouveau_sgdma_populate,
        .clear                  = nouveau_sgdma_clear,
@@ -213,10 +213,10 @@ nouveau_sgdma_init_ttm(struct drm_device *dev)
 
        nvbe->dev = dev;
 
-       if (dev_priv->card_type < NV_50)
-               nvbe->backend.func = &nouveau_sgdma_backend;
-       else
+       if (dev_priv->card_type >= NV_50)
                nvbe->backend.func = &nv50_sgdma_backend;
+       else
+               nvbe->backend.func = &nv04_sgdma_backend;
        return &nvbe->backend;
 }
 
@@ -228,7 +228,16 @@ nouveau_sgdma_init(struct drm_device *dev)
        uint32_t aper_size, obj_size;
        int i, ret;
 
-       if (dev_priv->card_type < NV_50) {
+       if (dev_priv->card_type >= NV_50) {
+               ret = nouveau_vm_get(dev_priv->chan_vm, 512 * 1024 * 1024,
+                                    12, NV_MEM_ACCESS_RW,
+                                    &dev_priv->gart_info.vma);
+               if (ret)
+                       return ret;
+
+               dev_priv->gart_info.aper_base = dev_priv->gart_info.vma.offset;
+               dev_priv->gart_info.aper_size = 512 * 1024 * 1024;
+       } else {
                if(dev_priv->ramin_rsvd_vram < 2 * 1024 * 1024)
                        aper_size = 64 * 1024 * 1024;
                else
@@ -257,16 +266,6 @@ nouveau_sgdma_init(struct drm_device *dev)
                dev_priv->gart_info.sg_ctxdma = gpuobj;
                dev_priv->gart_info.aper_base = 0;
                dev_priv->gart_info.aper_size = aper_size;
-       } else
-       if (dev_priv->chan_vm) {
-               ret = nouveau_vm_get(dev_priv->chan_vm, 512 * 1024 * 1024,
-                                    12, NV_MEM_ACCESS_RW,
-                                    &dev_priv->gart_info.vma);
-               if (ret)
-                       return ret;
-
-               dev_priv->gart_info.aper_base = dev_priv->gart_info.vma.offset;
-               dev_priv->gart_info.aper_size = 512 * 1024 * 1024;
        }
 
        dev_priv->gart_info.type      = NOUVEAU_GART_SGDMA;