diff options
| author | Le Ma <le.ma@amd.com> | 2018-09-11 08:11:28 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-18 22:18:03 +0300 |
| commit | f2d6657111ed5c065b1f934b548a279205c3d370 (patch) | |
| tree | 3674dda825d870772fe08234a7633a3be41910b3 /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
| parent | 2065aa5494e465c0efb20fffd607db6cbfa74067 (diff) | |
| download | linux-f2d6657111ed5c065b1f934b548a279205c3d370.tar.xz | |
drm/amdgpu: skip pasid mapping for second mmhub on Arcturus
There's no LUT register for second mmhub to convert pasid since it has no ATC.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 75801178efa1..a05040249a50 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -492,6 +492,10 @@ static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, struct amdgpu_device *adev = ring->adev; uint32_t reg; + /* Do nothing because there's no lut register for mmhub1. */ + if (ring->funcs->vmhub == AMDGPU_MMHUB_1) + return; + if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; else |