drm/amdgpu/si: fix ring size for compute

We switched the other asics, but missed this.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c

@@ -2779,7 +2779,7 @@ static int gfx_v6_0_sw_init(void *handle)
 		ring->queue = i;
 		sprintf(ring->name, "comp %d.%d.%d", ring->me, ring->pipe, ring->queue);
 		irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
-		r = amdgpu_ring_init(adev, ring, 1024 * 1024,
+		r = amdgpu_ring_init(adev, ring, 1024,
 				     0x80000000, 0xf,
 				     &adev->gfx.eop_irq, irq_type,
 				     AMDGPU_RING_TYPE_COMPUTE);