[PATCH 4/6] drm/amdgpu: drop alpha support

["Christian König" <deathsimple@vodafone.de>]

From: Christian König <christian.koenig@amd.com>

We will probably never see this combination.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 7bf5ba7..524abca 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;
-- 
2.5.0

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