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drm/amdgpu: don't create ih ring 1 and ring 2 for APU

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APUs don't support ih ring 1 and ring 2.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-12-12 23:04:08 +08:00 • committed by Alex Deucher
parent 26f2daa420
commit 9f18985dda
1 changed files with 12 additions and 11 deletions
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23
drivers/gpu/drm/amd/amdgpu/vega10_ih.c
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@ -489,20 +489,21 @@ static int vega10_ih_sw_init(void *handle)
adev->irq.ih.use_doorbell = true;
adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1;
r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
if (r)
return r;
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
if (r)
return r;
adev->irq.ih1.use_doorbell = true;
adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
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;
adev->irq.ih2.use_doorbell = true;
adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
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;
}
/* initialize ih control registers offset */
vega10_ih_init_register_offset(adev);