diff options
author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-03-29 02:24:53 +0200 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-30 05:55:51 +0200 |
commit | 22770e5a750e905a1aaa66e20b88d080e42ddd15 (patch) | |
tree | d461d869979fa29e83eb88920d9babb18f2ed8c6 /drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | |
parent | drm/amdgpu: drop GB_GPU_ID from the golden settings (diff) | |
download | linux-22770e5a750e905a1aaa66e20b88d080e42ddd15.tar.xz linux-22770e5a750e905a1aaa66e20b88d080e42ddd15.zip |
drm/amdgpu: Make max_pfn 64-bit
With 4-level page tables the maximum VM size is 256TB. That's 64G
pages, which can't be represented in 32-bit.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 5604a53598c9..dd486377fb41 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -227,8 +227,9 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev) WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0); WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0); WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2, - adev->vm_manager.max_pfn - 1); - WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0); + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, + upper_32_bits(adev->vm_manager.max_pfn - 1)); } |