drm/rockchip: Add log for iommu map/unmap

Signed-off-by: Andy Yan <[email protected]>
Change-Id: Ieefd2e6e113da45cfdfe9578ab5580d16402c3d6

Author: Andy Yan

drivers/gpu/drm/rockchip/rockchip_drm_gem.c

@@ -53,6 +53,9 @@ static int rockchip_gem_iommu_map(struct rockchip_gem_object *rk_obj)
 
 	rk_obj->dma_addr = rk_obj->mm.start;
 
+	rockchip_drm_dbg(drm->dev, VOP_DEBUG_IOMMU_MAP, "iommu map: iova: %pad size: 0x%zx",
+			 &rk_obj->dma_addr, rk_obj->base.size);
+
 	ret = iommu_map_sgtable(private->domain, rk_obj->dma_addr, rk_obj->sgt,
 				prot);
 	if (ret < (ssize_t)rk_obj->base.size) {
@@ -81,6 +84,9 @@ static int rockchip_gem_iommu_unmap(struct rockchip_gem_object *rk_obj)
 	struct drm_device *drm = rk_obj->base.dev;
 	struct rockchip_drm_private *private = drm->dev_private;
 
+	rockchip_drm_dbg(drm->dev, VOP_DEBUG_IOMMU_MAP, "iommu unmap: iova: %pad size: %zx",
+			 &rk_obj->dma_addr, rk_obj->size);
+
 	iommu_unmap(private->domain, rk_obj->dma_addr, rk_obj->size);
 
 	mutex_lock(&private->mm_lock);