I implemented support for this, but forget to hook
up the callback so the driver can actually use it.
On asics with a dedicated DMA engine, we use the DMA
engine for buffer migration so this is just for testing
purposes.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
                .hdmi_setmode = &evergreen_hdmi_setmode,
        },
        .copy = {
-               .blit = NULL,
+               .blit = &cik_copy_cpdma,
                .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
                .dma = &cik_copy_dma,
                .dma_ring_index = R600_RING_TYPE_DMA_INDEX,
                .hdmi_setmode = &evergreen_hdmi_setmode,
        },
        .copy = {
-               .blit = NULL,
+               .blit = &cik_copy_cpdma,
                .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
                .dma = &cik_copy_dma,
                .dma_ring_index = R600_RING_TYPE_DMA_INDEX,