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drm/amdgpu: disable agp for sriov

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Since agp is not used for sriov, just disable it

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Frank.Min <Frank.Min@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Frank.Min
2019-08-21 17:20:34 +08:00
committed by Alex Deucher
parent c4e1da5e7d
commit 81c274c473
2 changed files with 9 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@@ -220,6 +220,14 @@ void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)
const uint64_t sixteen_gb_mask = ~(sixteen_gb - 1);
u64 size_af, size_bf;
if (amdgpu_sriov_vf(adev)) {
mc->agp_start = 0xffffffff;
mc->agp_end = 0x0;
mc->agp_size = 0;
return;
}
if (mc->fb_start > mc->gart_start) {
size_bf = (mc->fb_start & sixteen_gb_mask) -
ALIGN(mc->gart_end + 1, sixteen_gb);