On Wed, 8 Jan 2020 at 09:16, Will Deacon <[email protected]> wrote: > On Thu, Dec 26, 2019 at 02:17:06PM -0800, Bjorn Andersson wrote: > > These patches implements the stream mapping inheritance that's necessary > in > > order to not hit a security violation as the display hardware looses its > stream > > mapping during initialization of arm-smmu in various Qualcomm platforms. > > > > This was previously posted as an RFC [1], changes since then involves the > > rebase and migration of the read-back code to the Qualcomm specific > > implementation, the mapping is maintained indefinitely - to handle probe > > deferring clients - and rewritten commit messages. > > I don't think we should solve this in a Qualcomm-specific manner. Please > can > you take a look at the proposal from Thierry [1] and see whether or not it > works for you? >
Did this or Thierry's solution ever gain traction? Or are all the parties still 'solving' this downstream? > Thanks, > > Will > > [1] > https://lore.kernel.org/lkml/[email protected] > -- Lee Jones [李琼斯] Linaro Services Senior Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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