diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-03-28 20:24:53 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:55:51 -0400 |
| commit | 22770e5a750e905a1aaa66e20b88d080e42ddd15 (patch) | |
| tree | d461d869979fa29e83eb88920d9babb18f2ed8c6 /drivers/gpu/drm/amd | |
| parent | 43e669d65eb45897c062fc439018ad4988d59576 (diff) | |
| download | op-kernel-dev-22770e5a750e905a1aaa66e20b88d080e42ddd15.zip op-kernel-dev-22770e5a750e905a1aaa66e20b88d080e42ddd15.tar.gz | |
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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 5 |
4 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 72bef22..84de4f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -336,7 +336,7 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev, struct amdgpu_vm *vm, uint64_t saddr, uint64_t size) { - unsigned last_pfn; + uint64_t last_pfn; uint64_t eaddr; /* validate the parameters */ @@ -346,7 +346,7 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev, eaddr = saddr + size - 1; last_pfn = eaddr / AMDGPU_GPU_PAGE_SIZE; if (last_pfn >= adev->vm_manager.max_pfn) { - dev_err(adev->dev, "va above limit (0x%08X >= 0x%08X)\n", + dev_err(adev->dev, "va above limit (0x%08llX >= 0x%08llX)\n", last_pfn, adev->vm_manager.max_pfn); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index abb4d27..fbe17bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -153,7 +153,7 @@ struct amdgpu_vm_manager { u64 fence_context; unsigned seqno[AMDGPU_MAX_RINGS]; - uint32_t max_pfn; + uint64_t max_pfn; uint32_t num_level; /* vram base address for page table entry */ u64 vram_base_offset; diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 5604a53..dd48637 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)); } diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index 5903bb0..c1dc8c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -247,8 +247,9 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev) WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0); WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0); WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2, - adev->vm_manager.max_pfn - 1); - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0); + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, + upper_32_bits(adev->vm_manager.max_pfn - 1)); } return 0; |
