On Thu, Jun 11, 2020 at 04:36:56PM -0600, Jordan Crouse wrote: > Add a new implementation hook to allow the implementation specific code > to tweek the context bank configuration just before it gets written. > The first user will be the Adreno GPU implementation to turn on > SCTLR.HUPCF to ensure that a page fault doesn't terminating pending > transactions. Doing so could hang the GPU if one of the terminated > transactions is a CP read. > > This depends on the arm-smmu adreno SMMU implementation [1]. > > [1] https://patchwork.kernel.org/patch/11600943/ > > Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> > --- > > drivers/iommu/arm-smmu-qcom.c | 13 +++++++++++++ > drivers/iommu/arm-smmu.c | 28 +++++++++++++--------------- > drivers/iommu/arm-smmu.h | 11 +++++++++++ > 3 files changed, 37 insertions(+), 15 deletions(-) This looks straightforward enough, but I don't want to merge this without a user and Sai's series has open questions afaict. Will
