drm/amdgpu: convert the doorbell_index to 2 dwords offset for kiq

KIQ doorbell_index is non-zero from XCC1, thus need to left-shift it like
other rings.
Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -313,14 +313,13 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 	ring->adev = NULL;
 	ring->ring_obj = NULL;
 	ring->use_doorbell = true;
-	ring->doorbell_index = adev->doorbell_index.kiq;
 	ring->xcc_id = xcc_id;
 	ring->vm_hub = AMDGPU_GFXHUB(xcc_id);
 	if (xcc_id >= 1)
-		ring->doorbell_index = adev->doorbell_index.xcc1_kiq_start +
-					xcc_id - 1;
+		ring->doorbell_index = (adev->doorbell_index.xcc1_kiq_start +
+					xcc_id - 1) << 1;
 	else
-		ring->doorbell_index = adev->doorbell_index.kiq;
+		ring->doorbell_index = adev->doorbell_index.kiq << 1;
 
 	r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
 	if (r)