Commit f44a6c76 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: enable software ih ring for vega20 ih block 



software ih ring will be used as a workaround
in case hardware ih ring 1 and ring 2 don't work

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a2b6df4f

drivers/gpu/drm/amd/amdgpu/vega20_ih.c

+7 −0
Original line number Diff line number Diff line
@@ -342,6 +342,9 @@ 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;

}
@@ -539,6 +542,10 @@ 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;