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drm:amdgpu: enable IH ring1 for IH v6.1

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We need IH ring1 for handling the pagefault
interrupts which over flow in default
ring for specific usecases.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri 2024-04-12 14:22:16 +05:30 committed by Alex Deucher
parent eefc85a277
commit 5adcd78fa2
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
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@ -550,8 +550,15 @@ static int ih_v6_1_sw_init(void *handle)
adev->irq.ih.use_doorbell = true;
adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1;
adev->irq.ih1.ring_size = 0;
adev->irq.ih2.ring_size = 0;
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, IH_RING_SIZE,
use_bus_addr);
if (r)
return r;
adev->irq.ih1.use_doorbell = true;
adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
}
/* initialize ih control register offset */
ih_v6_1_init_register_offset(adev);