Commit 4c93c62e authored by Le Ma's avatar Le Ma Committed by Alex Deucher
Browse files

drm/amdgpu: skip ih2 rb allocation for IH 4.4.2 



No ih2 hardware on IH 4.4.2.

Signed-off-by: default avatarLe Ma <le.ma@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2b396e75

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

+7 −5
Original line number Diff line number Diff line
@@ -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;



	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;

	}



	/* initialize ih control registers offset */

	vega20_ih_init_register_offset(adev);