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drm/amdgpu: skip ih2 rb allocation for IH 4.4.2

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No ih2 hardware on IH 4.4.2.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma
2021-07-20 17:16:46 +08:00
committed by Alex Deucher
parent 2b396e75be
commit 4c93c62e77
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/amd/amdgpu/vega20_ih.c
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@@ -552,12 +552,14 @@ static int vega20_ih_sw_init(void *handle)
adev->irq.ih1.use_doorbell = true;
adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
if (r)
return r;
if (adev->ip_versions[OSSSYS_HWIP][0] != IP_VERSION(4, 4, 2)) {
r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
if (r)
return r;
adev->irq.ih2.use_doorbell = true;
adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
adev->irq.ih2.use_doorbell = true;
adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
}
/* initialize ih control registers offset */
vega20_ih_init_register_offset(adev);