diff mbox series

[RFC,v1,4/6] gpu: host1x: Avoid implicit DMA backing with IOMMU

Message ID 20180726231624.21084-5-digetx@gmail.com
State Rejected
Headers show
Series Resolve unwanted DMA backing with IOMMU | expand

Commit Message

Dmitry Osipenko July 26, 2018, 11:16 p.m. UTC 
Host1x driver manages IOMMU by itself, backing DMA with IOMMU by the
drivers core breaks the Host1x driver.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/gpu/host1x/dev.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index afabd33a48d9..0966415d4ccd 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -361,6 +361,7 @@  static int host1x_remove(struct platform_device *pdev)
 static struct platform_driver tegra_host1x_driver = {
 	.driver = {
 		.name = "tegra-host1x",
+		.no_implicit_iommu = true,
 		.of_match_table = host1x_of_match,
 	},
 	.probe = host1x_probe,