From dbedcbaf954918cc55d6b945c1347009be463a33 Mon Sep 17 00:00:00 2001
From: Cho KyongHo <pullip.cho@samsung.com>
Date: Mon, 12 Feb 2018 14:50:34 +0900
Subject: [PATCH] g2d: fix use of ION API for 4.14 kernel

ION is dramatically changed in 4.14 kernel including kernel API and
the header files. But the symantics of ION API is not changed.

Change-Id: I24ca55a603d5a39ce0da40d18782e40b4a14e43b
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
---
 drivers/gpu/exynos/g2d/g2d_drv.c          |  2 ++
 drivers/gpu/exynos/g2d/g2d_uapi_process.c | 11 +++++------
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/exynos/g2d/g2d_drv.c b/drivers/gpu/exynos/g2d/g2d_drv.c
index 1465d10435fa..d21a6ea7f781 100644
--- a/drivers/gpu/exynos/g2d/g2d_drv.c
+++ b/drivers/gpu/exynos/g2d/g2d_drv.c
@@ -782,6 +782,8 @@ static int g2d_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	dma_set_mask(&pdev->dev, DMA_BIT_MASK(36));
+
 	g2d_dev->clock = devm_clk_get(&pdev->dev, "gate");
 	if (IS_ERR(g2d_dev->clock)) {
 		dev_err(&pdev->dev, "Failed to get clock (%ld)\n",
diff --git a/drivers/gpu/exynos/g2d/g2d_uapi_process.c b/drivers/gpu/exynos/g2d/g2d_uapi_process.c
index 7d7f656b5e19..4c9d46e5a257 100644
--- a/drivers/gpu/exynos/g2d/g2d_uapi_process.c
+++ b/drivers/gpu/exynos/g2d/g2d_uapi_process.c
@@ -18,10 +18,9 @@
 #include <linux/dma-buf.h>
 #include <linux/sync_file.h>
 #include <linux/iommu.h>
-#include <linux/ion.h>
+#include <linux/ion_exynos.h>
 #include <linux/slab.h>
 #include <linux/sched/mm.h>
-#include <linux/exynos_ion.h>
 #include <linux/exynos_iovmm.h>
 
 #include <asm/cacheflush.h>
@@ -76,8 +75,8 @@ static void g2d_clean_caches_layer(struct device *dev, struct g2d_layer *layer,
 
 		dmabuf = layer->buffer[i].dmabuf.dmabuf;
 		if ((layer->buffer_type == G2D_BUFTYPE_DMABUF) &&
-				ion_cached_needsync_dmabuf(dmabuf) &&
-					ion_may_hwrender_dmabuf(dmabuf)) {
+				ion_cached_dmabuf(dmabuf) &&
+					ion_hwrender_dmabuf(dmabuf)) {
 				dma_sync_sg_for_cpu(dev,
 					layer->buffer[i].dmabuf.sgt->sgl,
 					layer->buffer[i].dmabuf.sgt->orig_nents,
@@ -232,10 +231,10 @@ static int g2d_get_dmabuf(struct g2d_task *task,
 	if (dir != DMA_TO_DEVICE)
 		prot |= IOMMU_WRITE;
 
-	if (ion_cached_needsync_dmabuf(dmabuf)) {
+	if (ion_cached_dmabuf(dmabuf)) {
 		task->total_cached_len += buffer->payload;
 
-		if ((dir == DMA_TO_DEVICE) && ion_may_hwrender_dmabuf(dmabuf))
+		if ((dir == DMA_TO_DEVICE) && ion_hwrender_dmabuf(dmabuf))
 			task->total_hwrender_len += buffer->payload;
 	}
 
-- 
2.20.1