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. Change-Id: I585b7d4d96ebab2a5d7178fe8d1d6a746ef0c72a Signed-off-by: Feifei Xu <Feifei.Xu at amd.com> Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com> --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 0a1868b..27f50c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -686,10 +686,7 @@ 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; + adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev); } /** -- 2.7.4
