drm/etnaviv: record correct cmdbuf IOVA in dump

For cmdbufs the CPU IOVA was recorded instead of the GPU one.
Fix this to make it consistent with other BOs and to make
reading the dumps easier.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

drivers/gpu/drm/etnaviv/etnaviv_dump.c

@@ -175,11 +175,13 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
 	etnaviv_core_dump_registers(&iter, gpu);
 	etnaviv_core_dump_mmu(&iter, gpu, mmu_size);
 	etnaviv_core_dump_mem(&iter, ETDUMP_BUF_RING, gpu->buffer->vaddr,
-			      gpu->buffer->size, gpu->buffer->paddr);
+			      gpu->buffer->size,
+			      etnaviv_iommu_get_cmdbuf_va(gpu, gpu->buffer));
 
 	list_for_each_entry(cmd, &gpu->active_cmd_list, node)
 		etnaviv_core_dump_mem(&iter, ETDUMP_BUF_CMD, cmd->vaddr,
-				      cmd->size, cmd->paddr);
+				      cmd->size,
+				      etnaviv_iommu_get_cmdbuf_va(gpu, cmd));
 
 	/* Reserve space for the bomap */
 	if (n_bomap_pages) {