Am 07.02.2018 um 13:34 schrieb Feifei Xu:
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...@amd.com>
Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
Reviewed-by: Christian König <christian.koe...@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);
}
/**
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