From: Chunyan Zhang
This iommu module can be used by Unisoc's multimedia devices, such as
display, Image codec(jpeg) and a few signal processors, including
VSP(video), GSP(graphic), ISP(image), and CPP(camera pixel processor), etc.
Signed-off-by: Chunyan Zhang
---
drivers/iommu/Kconfig |
On Wed, 20 Jan 2021 at 20:29, Robin Murphy wrote:
>
> On 2021-01-20 11:40, Chunyan Zhang wrote:
> [...]
> >>> + pgt_base_iova = dom->pgt_va +
> >>> + ((iova - mdata->iova_start) >> SPRD_IOMMU_PAGE_SHIFT);
> >>> +
> >>> + spin_lock_irqsave(>pgtlock, flags);
> >>> + for (i =
On 2021-01-20 11:40, Chunyan Zhang wrote:
[...]
+ pgt_base_iova = dom->pgt_va +
+ ((iova - mdata->iova_start) >> SPRD_IOMMU_PAGE_SHIFT);
+
+ spin_lock_irqsave(>pgtlock, flags);
+ for (i = 0; i < page_num; i++) {
+ pgt_base_iova[i] = pabase >>
Hi Robin,
On Wed, 13 Jan 2021 at 03:10, Robin Murphy wrote:
>
> On 2021-01-08 11:38, Chunyan Zhang wrote:
> > From: Chunyan Zhang
> >
> > This patch only adds display iommu support, the driver was tested with sprd
> > dpu.
> >
> > The iommu support for others would be added once finished tests
On 2021-01-08 11:38, Chunyan Zhang wrote:
From: Chunyan Zhang
This patch only adds display iommu support, the driver was tested with sprd
dpu.
The iommu support for others would be added once finished tests with those
devices, such as Image codec(jpeg) processor, a few signal processors,
From: Chunyan Zhang
This patch only adds display iommu support, the driver was tested with sprd
dpu.
The iommu support for others would be added once finished tests with those
devices, such as Image codec(jpeg) processor, a few signal processors,
including VSP(video), GSP(graphic), ISP(image),
