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authorThierry Reding <treding@nvidia.com>2019-02-08 13:10:41 +0100
committerThierry Reding <treding@nvidia.com>2019-10-28 11:18:35 +0100
commitd5ad0e3dfe74f465a218bde84efb25c72b3e51c4 (patch)
tree9d1bcacdfc3ea89766fb823ca4eddde7f21f92f0 /drivers/gpu/drm/tegra/vic.c
parentdd631e8ac90f08c37636fe9e6d12fc7bdf7f429a (diff)
downloadlinux-d5ad0e3dfe74f465a218bde84efb25c72b3e51c4.tar.bz2
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.c7
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;