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(&dom->pgtlock, flags);
> >>> + for
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(&dom->pgtlock, flags);
+ for (i = 0; i < page_num; i++) {
+ pgt_base_iova[i] = pabase >> SPRD_IOMMU_PA
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 w
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,
inclu
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), a
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