Commit 6c54afc7 authored by Le Ma's avatar Le Ma Committed by Alex Deucher

drm/amdgpu: assign fb_start/end in mmhub v9.4 interface

Align with mmhub v1.0.
Signed-off-by: default avatarLe Ma <le.ma@amd.com>
Reviewed-by: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cd1fd7b3
...@@ -39,10 +39,17 @@ u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev) ...@@ -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. */ /* 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 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 &= VMSHAREDVC0_MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
base <<= 24; 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; return base;
} }
......
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