[PATCH 2/2] drm:amdgpu: Enable IH RING1 for IH v6.1

[Sunil Khatri]

We need IH Ring1 for handling the pagefault
interrupts which are overflowing the default
ring for specific usecases.

Signed-off-by: Sunil Khatri <sunil.khatri at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/ih_v6_1.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
index b8da0fc29378..d3ce1b809550 100644
--- a/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
@@ -550,8 +550,12 @@ 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;
+	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);
-- 
2.34.1