diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2017-03-23 16:32:13 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:55:42 -0400 |
| commit | eeb2487df75fec73a958b54a1ebefc18808c20ba (patch) | |
| tree | 2dfbea30cf609c464ff4780d594e05d38516ff9b /drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | |
| parent | 5846e355694f8a0be33a29d45ea8cafb0b5de22c (diff) | |
| download | op-kernel-dev-eeb2487df75fec73a958b54a1ebefc18808c20ba.zip op-kernel-dev-eeb2487df75fec73a958b54a1ebefc18808c20ba.tar.gz | |
drm/amdgpu:fix missing programing critical registers
those MC_VM registers won't be programed by VBIOS in VF
so driver is responsible to programe them.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 987b21b..5604a53 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -53,6 +53,15 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev) mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB), (u32)(value >> 44)); + if (amdgpu_sriov_vf(adev)) { + /* MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are VF copy registers so + vbios post doesn't program them, for SRIOV driver need to program them */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_FB_LOCATION_BASE), + adev->mc.vram_start >> 24); + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_FB_LOCATION_TOP), + adev->mc.vram_end >> 24); + } + /* Disable AGP. */ WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BASE), 0); WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_TOP), 0); |
