software ih ring will be used as a workaround
in case hardware ih ring 1 and ring 2 don't work
Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
index 4c7bbd0b63c6..a1d4d67d5ee1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
@@ -357,6 +357,9 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev)
if (ret)
return ret;
+ if (adev->irq.ih_soft.ring_size)
+ adev->irq.ih_soft.enabled = true;
+
return 0;
}
@@ -554,6 +557,10 @@ static int vega20_ih_sw_init(void *handle)
/* initialize ih control registers offset */
vega20_ih_init_register_offset(adev);
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, PAGE_SIZE, true);
+ if (r)
+ return r;
+
r = amdgpu_irq_init(adev);
return r;
--
2.17.1
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