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| author | Thierry Reding <treding@nvidia.com> | 2019-02-08 15:10:41 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-28 13:18:35 +0300 |
| commit | d5ad0e3dfe74f465a218bde84efb25c72b3e51c4 (patch) | |
| tree | 9d1bcacdfc3ea89766fb823ca4eddde7f21f92f0 /drivers/gpu/drm/tegra/vic.c | |
| parent | dd631e8ac90f08c37636fe9e6d12fc7bdf7f429a (diff) | |
| download | linux-d5ad0e3dfe74f465a218bde84efb25c72b3e51c4.tar.xz | |
drm/tegra: vic: Inherit DMA mask from host1x
VIC, just like all other host1x clients, has the same addressing range
as its parent host1x device. Inherit the DMA mask to reflect that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/vic.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/vic.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 748798f2cdc8..d60e479cde92 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -385,6 +385,13 @@ static int vic_probe(struct platform_device *pdev) struct vic *vic; int err; + /* inherit DMA mask from host1x parent */ + err = dma_coerce_mask_and_coherent(dev, *dev->parent->dma_mask); + if (err < 0) { + dev_err(&pdev->dev, "failed to set DMA mask: %d\n", err); + return err; + } + vic = devm_kzalloc(dev, sizeof(*vic), GFP_KERNEL); if (!vic) return -ENOMEM; |