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drm/amdgpu: use a 64bit interval tree for VM management v2

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This only makes a difference for 32-bit systems. The idea is to have a
fixed virtual address space size with 4-level page tables and to
minimize differences between 32 and 64-bit systems.

v2: Update commit message.

Signed-off-by: Christian König <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:
Christian König
2017-03-30 14:03:59 +02:00
committed by Alex Deucher
parent ca7f65c767
commit a9f87f6452
7 changed files with 71 additions and 62 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
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@@ -741,10 +741,10 @@ static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
start = amdgpu_bo_gpu_offset(bo);
end = (mapping->it.last + 1 - mapping->it.start);
end = (mapping->last + 1 - mapping->start);
end = end * AMDGPU_GPU_PAGE_SIZE + start;
addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
start += addr;
amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,