diff options
| author | Rob Clark <robdclark@gmail.com> | 2016-11-07 21:31:30 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-11-27 19:35:07 +0300 |
| commit | c83ea576010d513898c27121e5f8ac355a8eef05 (patch) | |
| tree | 6946ee78f16ca7f02810bb83112298c43dae02d4 /drivers | |
| parent | d8dd80526c9097bd60464982a011150b1b213d06 (diff) | |
| download | linux-c83ea576010d513898c27121e5f8ac355a8eef05.tar.xz | |
drm/msm: set dma_mask properly
Previous value really only made sense on armv7 without LPAE. Everything
that supports more than 4g of memory also has iommu's that can map
anything.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index a2cc990bc7c2..10755a1c53b8 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1038,7 +1038,13 @@ static int msm_pdev_probe(struct platform_device *pdev) if (ret) return ret; - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + /* on all devices that I am aware of, iommu's which can map + * any address the cpu can see are used: + */ + ret = dma_set_mask_and_coherent(&pdev->dev, ~0); + if (ret) + return ret; + return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); } |