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drm/amdgpu: Use different gart table parameters for 2-level gart table

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If use gart for FB translation, we will squeeze vram into
sysvm aperture. This requires 2 level gart table. Add
page table depth and page table block size parameters
to gmc. This is prepare work to 2-level gart table
construction

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng
2020-09-17 20:32:56 -05:00
committed by Alex Deucher
parent f527f310bb
commit 7b454b3a34
4 changed files with 20 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@@ -244,6 +244,9 @@ struct amdgpu_gmc {
struct amdgpu_xgmi xgmi;
struct amdgpu_irq_src ecc_irq;
int noretry;
uint32_t vmid0_page_table_block_size;
uint32_t vmid0_page_table_depth;
};
#define amdgpu_gmc_flush_gpu_tlb(adev, vmid, vmhub, type) ((adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid), (vmhub), (type)))