On Wed, 3 Feb 2021 at 02:02, Robin Murphy wrote:
>
> On 2021-02-02 14:41, Joerg Roedel wrote:
> > On Tue, Feb 02, 2021 at 02:34:34PM +, Robin Murphy wrote:
> >> Nope, I believe if Arm Ltd. had any involvement in this I'd know about it
> >> :)
> >
> > Okay, got confused by thinking of ARM as
On Tue, 2 Feb 2021 at 22:14, Joerg Roedel wrote:
>
> On Tue, Feb 02, 2021 at 06:42:57PM +0800, Chunyan Zhang wrote:
> > +static phys_addr_t sprd_iommu_iova_to_phys(struct iommu_domain *domain,
> > +dma_addr_t iova)
> > +{
> > + struct sprd_iommu_domain
On Tue, Feb 02, 2021 at 06:42:57PM +0800, Chunyan Zhang wrote:
> 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
On 2021-02-02 14:41, Joerg Roedel wrote:
On Tue, Feb 02, 2021 at 02:34:34PM +, Robin Murphy wrote:
Nope, I believe if Arm Ltd. had any involvement in this I'd know about it :)
Okay, got confused by thinking of ARM as the CPU architecture, not the
company :)
But given the intel/ and amd/
On Tue, Feb 02, 2021 at 06:42:57PM +0800, Chunyan Zhang wrote:
> +static phys_addr_t sprd_iommu_iova_to_phys(struct iommu_domain *domain,
> +dma_addr_t iova)
> +{
> + struct sprd_iommu_domain *dom = to_sprd_domain(domain);
> + unsigned long flags;
>
On 2021-02-02 14:01, Joerg Roedel wrote:
On Tue, Feb 02, 2021 at 06:42:57PM +0800, Chunyan Zhang wrote:
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),
On Tue, Feb 02, 2021 at 02:34:34PM +, Robin Murphy wrote:
> Nope, I believe if Arm Ltd. had any involvement in this I'd know about it :)
Okay, got confused by thinking of ARM as the CPU architecture, not the
company :)
But given the intel/ and amd/ subdirectories refer to company names as
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 |
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),
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