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drm/amdgpu: Fix hardcoded base offset of vram pages 

In gmc_v9_0_vram_gtt_location(),the vram_base_offset is hardcoded
to 0 in dGPU. Fix it by reading mmMC_VM_FB_OFFSET or return
zfb_phys_addr if ZFB is enabled.

Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Feifei Xu 2018-02-06 12:29:23 +08:00 committed by Alex Deucher
parent cc3a98cc6e
commit b6110c00ce
1 changed files with 1 additions and 4 deletions
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3
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
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@ -693,10 +693,7 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
amdgpu_device_vram_location(adev, &adev->gmc, base);
amdgpu_device_gart_location(adev, mc);
/* base offset of vram pages */
if (adev->flags & AMD_IS_APU)
adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);
else
adev->vm_manager.vram_base_offset = 0;
}
/**