Hi Guido, I've just sent out a patch which should hopefully also fix this issue, in a (slightly) more correct way. I don't have my MX8M system up right now, so would appreciate if you could test drive this patch. Regards, Lucas Am Mittwoch, den 12.09.2018, 17:44 +0200 schrieb Guido Günther: > Since we don't want to setup up DMA via device tree we end up with > arm64's dummy_dma_ops otherwise. > > Links: https://lists.freedesktop.org/archives/etnaviv/2018-August/001925.html > > Signed-off-by: Guido Günther <agx@xxxxxxxxxxx> > --- > drivers/gpu/drm/etnaviv/etnaviv_drv.c | 13 ++++++++++++- > 1 file changed, 12 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c > index 9b2720b41571..e488c07f333c 100644 > --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c > +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c > @@ -591,8 +591,19 @@ static int etnaviv_pdev_probe(struct platform_device *pdev) > { > > struct device *dev = &pdev->dev; > > struct component_match *match = NULL; > > + int ret; > + > > + ret = of_dma_configure(dev, NULL, true); > > + if (ret) { > > + dev_err(&pdev->dev, "Setting up dma ops failed\n"); > > + return ret; > > + }; > > > - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); > > + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); > > + if (ret) { > > + dev_err(&pdev->dev, "dma_coerce_mask_and_coherent failed\n"); > > + return ret; > > + }; > > > if (!dev->platform_data) { > > struct device_node *core_node; _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel