1 files changed, 2 insertions, 84 deletions

diff --git a/drm/nouveau/nvkm/subdev/fb/ramgk20a.c b/drm/nouveau/nvkm/subdev/fb/ramgk20a.c
index 5f30db140..60d8e1cea 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramgk20a.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramgk20a.c
@@ -23,99 +23,17 @@
 
 #include <core/device.h>
 
-struct gk20a_mem {
-	struct nvkm_mem base;
-	void *cpuaddr;
-	dma_addr_t handle;
-};
-#define to_gk20a_mem(m) container_of(m, struct gk20a_mem, base)
-
 static void
 gk20a_ram_put(struct nvkm_fb *pfb, struct nvkm_mem **pmem)
 {
-	struct device *dev = nv_device_base(nv_device(pfb));
-	struct gk20a_mem *mem = to_gk20a_mem(*pmem);
-
-	*pmem = NULL;
-	if (unlikely(mem == NULL))
-		return;
-
-	if (likely(mem->cpuaddr))
-		dma_free_coherent(dev, mem->base.size << PAGE_SHIFT,
-				  mem->cpuaddr, mem->handle);
-
-	kfree(mem->base.pages);
-	kfree(mem);
+	BUG();
 }
 
 static int
 gk20a_ram_get(struct nvkm_fb *pfb, u64 size, u32 align, u32 ncmin,
 	     u32 memtype, struct nvkm_mem **pmem)
 {
-	struct device *dev = nv_device_base(nv_device(pfb));
-	struct gk20a_mem *mem;
-	u32 type = memtype & 0xff;
-	u32 npages, order;
-	int i;
-
-	nv_debug(pfb, "%s: size: %llx align: %x, ncmin: %x\n", __func__, size,
-		 align, ncmin);
-
-	npages = size >> PAGE_SHIFT;
-	if (npages == 0)
-		npages = 1;
-
-	if (align == 0)
-		align = PAGE_SIZE;
-	align >>= PAGE_SHIFT;
-
-	/* round alignment to the next power of 2, if needed */
-	order = fls(align);
-	if ((align & (align - 1)) == 0)
-		order--;
-	align = BIT(order);
-
-	/* ensure returned address is correctly aligned */
-	npages = max(align, npages);
-
-	mem = kzalloc(sizeof(*mem), GFP_KERNEL);
-	if (!mem)
-		return -ENOMEM;
-
-	mem->base.size = npages;
-	mem->base.memtype = type;
-
-	mem->base.pages = kzalloc(sizeof(dma_addr_t) * npages, GFP_KERNEL);
-	if (!mem->base.pages) {
-		kfree(mem);
-		return -ENOMEM;
-	}
-
-	*pmem = &mem->base;
-
-	mem->cpuaddr = dma_alloc_coherent(dev, npages << PAGE_SHIFT,
-					  &mem->handle, GFP_KERNEL);
-	if (!mem->cpuaddr) {
-		nv_error(pfb, "%s: cannot allocate memory!\n", __func__);
-		gk20a_ram_put(pfb, pmem);
-		return -ENOMEM;
-	}
-
-	align <<= PAGE_SHIFT;
-
-	/* alignment check */
-	if (unlikely(mem->handle & (align - 1)))
-		nv_warn(pfb, "memory not aligned as requested: %pad (0x%x)\n",
-			&mem->handle, align);
-
-	nv_debug(pfb, "alloc size: 0x%x, align: 0x%x, paddr: %pad, vaddr: %p\n",
-		 npages << PAGE_SHIFT, align, &mem->handle, mem->cpuaddr);
-
-	for (i = 0; i < npages; i++)
-		mem->base.pages[i] = mem->handle + (PAGE_SIZE * i);
-
-	mem->base.offset = (u64)mem->base.pages[0];
-	return 0;
+	BUG();
 }
 
 static int