drm/amdgpu: drop alpha support

We will probably never see this combination.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 7b6463b..83f4930 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -538,31 +538,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
                        return -EINVAL;
                mem->bus.base = adev->mc.aper_base;
                mem->bus.is_iomem = true;
-#ifdef __alpha__
-               /*
-                * Alpha: use bus.addr to hold the ioremap() return,
-                * so we can modify bus.base below.
-                */
-               if (mem->placement & TTM_PL_FLAG_WC)
-                       mem->bus.addr =
-                               ioremap_wc(mem->bus.base + mem->bus.offset,
-                                          mem->bus.size);
-               else
-                       mem->bus.addr =
-                               ioremap_nocache(mem->bus.base + mem->bus.offset,
-                                               mem->bus.size);
-               if (!mem->bus.addr)
-                       return -ENOMEM;
-
-               /*
-                * Alpha: Use just the bus offset plus
-                * the hose/domain memory base for bus.base.
-                * It then can be used to build PTEs for VRAM
-                * access, as done in ttm_bo_vm_fault().
-                */
-               mem->bus.base = (mem->bus.base & 0x0ffffffffUL) +
-                       adev->ddev->hose->dense_mem_base;
-#endif
                break;
        default:
                return -EINVAL;