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[2/3] drm/rockchip: Use iommu_paging_domain_alloc()

Message ID 20240812071034.9443-2-baolu.lu@linux.intel.com
State Handled Elsewhere
Headers show
Series [1/3] drm/nouveau/tegra: Use iommu_paging_domain_alloc() | expand

Commit Message

Baolu Lu Aug. 12, 2024, 7:10 a.m. UTC
Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
refactored rockchip_drm_init_iommu() to pass a device that the domain is
allocated for. Replace iommu_domain_alloc() with
iommu_paging_domain_alloc() to retire the former.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240610085555.88197-19-baolu.lu@linux.intel.com
---
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Comments

Andy Yan Aug. 12, 2024, 7:52 a.m. UTC | #1
Hi,
  Thanks for your patch

At 2024-08-12 15:10:33, "Lu Baolu" <baolu.lu@linux.intel.com> wrote:
>Commit <421be3ee36a4> ("drm/rockchip: Refactor IOMMU initialisation") has
>refactored rockchip_drm_init_iommu() to pass a device that the domain is
>allocated for. Replace iommu_domain_alloc() with
>iommu_paging_domain_alloc() to retire the former.
>
>Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
>Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
>Link: https://lore.kernel.org/r/20240610085555.88197-19-baolu.lu@linux.intel.com
  Acked-by: Andy Yan <andyshrk@163.com>


>---
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
>index 44d769d9234d..11e5d10de4d7 100644
>--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
>+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
>@@ -103,13 +103,17 @@ static int rockchip_drm_init_iommu(struct drm_device *drm_dev)
> 	struct rockchip_drm_private *private = drm_dev->dev_private;
> 	struct iommu_domain_geometry *geometry;
> 	u64 start, end;
>+	int ret;
> 
> 	if (IS_ERR_OR_NULL(private->iommu_dev))
> 		return 0;
> 
>-	private->domain = iommu_domain_alloc(private->iommu_dev->bus);
>-	if (!private->domain)
>-		return -ENOMEM;
>+	private->domain = iommu_paging_domain_alloc(private->iommu_dev);
>+	if (IS_ERR(private->domain)) {
>+		ret = PTR_ERR(private->domain);
>+		private->domain = NULL;
>+		return ret;
>+	}
> 
> 	geometry = &private->domain->geometry;
> 	start = geometry->aperture_start;
>-- 
>2.34.1
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 44d769d9234d..11e5d10de4d7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -103,13 +103,17 @@  static int rockchip_drm_init_iommu(struct drm_device *drm_dev)
 	struct rockchip_drm_private *private = drm_dev->dev_private;
 	struct iommu_domain_geometry *geometry;
 	u64 start, end;
+	int ret;
 
 	if (IS_ERR_OR_NULL(private->iommu_dev))
 		return 0;
 
-	private->domain = iommu_domain_alloc(private->iommu_dev->bus);
-	if (!private->domain)
-		return -ENOMEM;
+	private->domain = iommu_paging_domain_alloc(private->iommu_dev);
+	if (IS_ERR(private->domain)) {
+		ret = PTR_ERR(private->domain);
+		private->domain = NULL;
+		return ret;
+	}
 
 	geometry = &private->domain->geometry;
 	start = geometry->aperture_start;