diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c index c0eb8f0a2182..33b0de54a5da 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c @@ -39,10 +39,17 @@ u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev) { /* The base should be same b/t 2 mmhubs on Acrturus. Read one here. */ u64 base = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_BASE); + u64 top = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_TOP); base &= VMSHAREDVC0_MC_VM_FB_LOCATION_BASE__FB_BASE_MASK; base <<= 24; + top &= VMSHAREDVC0_MC_VM_FB_LOCATION_TOP__FB_TOP_MASK; + top <<= 24; + + adev->gmc.fb_start = base; + adev->gmc.fb_end = top; + return base; } |