Tegra DRM manages IOMMU by itself, backing DMA with IOMMU by the drivers
core breaks the Tegra driver.
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/gpu/drm/tegra/dc.c | 1 +
drivers/gpu/drm/tegra/gr2d.c | 1 +
drivers/gpu/drm/tegra/gr3d.c | 1 +
drivers/gpu/drm/tegra/vic.c | 1 +
4 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index eb9bb83f8f5d..4827770939e3 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2675,6 +2675,7 @@ static const struct dev_pm_ops tegra_dc_pm_ops = {
struct platform_driver tegra_dc_driver = {
.driver = {
.name = "tegra-dc",
+ .no_implicit_iommu = true,
.of_match_table = tegra_dc_of_match,
.pm = &tegra_dc_pm_ops,
},
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
index 3c5503f1bf3d..e427585ef5cc 100644
--- a/drivers/gpu/drm/tegra/gr2d.c
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -327,6 +327,7 @@ static int gr2d_remove(struct platform_device *pdev)
struct platform_driver tegra_gr2d_driver = {
.driver = {
.name = "tegra-gr2d",
+ .no_implicit_iommu = true,
.of_match_table = gr2d_match,
},
.probe = gr2d_probe,
diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c
index 651e697ccbba..f54710c36afb 100644
--- a/drivers/gpu/drm/tegra/gr3d.c
+++ b/drivers/gpu/drm/tegra/gr3d.c
@@ -481,6 +481,7 @@ static int gr3d_remove(struct platform_device *pdev)
struct platform_driver tegra_gr3d_driver = {
.driver = {
.name = "tegra-gr3d",
+ .no_implicit_iommu = true,
.of_match_table = tegra_gr3d_match,
},
.probe = gr3d_probe,
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index 0e6642bb8524..4ecc466ee490 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -402,6 +402,7 @@ static const struct dev_pm_ops vic_pm_ops = {
struct platform_driver tegra_vic_driver = {
.driver = {
.name = "tegra-vic",
+ .no_implicit_iommu = true,
.of_match_table = vic_match,
.pm = &vic_pm_ops
},
--
2.18.0
--
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