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>

1 files changed, 0 insertions, 25 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 7b6463b288aa..83f4930f870c 100644
--- 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;