drm/amdgpu/jpeg: initialize number of jpeg ring

Initialize number of jpeg ring for vcn 4.0.5.
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c

@@ -56,6 +56,7 @@ static int jpeg_v4_0_5_early_init(void *handle)
 
 
 	adev->jpeg.num_jpeg_inst = 1;
+	adev->jpeg.num_jpeg_rings = 1;
 
 	jpeg_v4_0_5_set_dec_ring_funcs(adev);
 	jpeg_v4_0_5_set_irq_funcs(adev);