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Commit b6110c00 authored by Feifei Xu's avatar Feifei Xu Committed by Alex Deucher
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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: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cc3a98cc

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

+1 −4
Original line number Original line Diff line number Diff line
@@ -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_vram_location(adev, &adev->gmc, base);

	amdgpu_device_gart_location(adev, mc);

	amdgpu_device_gart_location(adev, mc);

	/* base offset of vram pages */

	/* 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);

	adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);

	else

		adev->vm_manager.vram_base_offset = 0;

}

}





/**

/**