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drm/amdgpu: drop alpha support

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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>
This commit is contained in:
Christian König 2017-03-28 20:00:20 +02:00 committed by Alex Deucher
parent c8b26bd1d2
commit b94e433660
1 changed files with 0 additions and 25 deletions
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25
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -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;