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drm/amdgpu: skip pasid mapping for second mmhub on Arcturus

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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>
This commit is contained in:
Le Ma 2018-09-11 13:11:28 +08:00 committed by Alex Deucher
parent 2065aa5494
commit f2d6657111
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
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@ -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