[PATCH] drm/etnaviv: init DMA ops for virtual master device

[Lucas Stach]

All the DRM GEM dma-buf import/export operations are done through the
virtual DRM master device. As this isn't instanciated from DT anymore
we need to make sure the DMA ops are set up correctly.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/gpu/drm/etnaviv/etnaviv_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index ab50090d066c..d7666aed943b 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -655,7 +655,8 @@ static int etnaviv_pdev_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct component_match *match = NULL;
 
-	dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+	arch_setup_dma_ops(dev, 0, 0x100000000, NULL, false);
+	dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
 
 	if (!dev->platform_data) {
 		struct device_node *core_node;
-- 
2.16.1