[PATCH 0/3] drm/tegra: A couple of fixes for v5.6-rc1

[Dmitry Osipenko]

04.02.2020 16:59, Thierry Reding пишет:
> From: Thierry Reding <treding at nvidia.com>
> 
> Hi,
> 
> this contains a couple of fixes for a DMA API performance regression
> that was introduced in v5.5 for older Tegra devices. Patches 1 and 2
> will likely have to be backported to v5.5.
> 
> Thierry
> 
> Thierry Reding (3):
>   drm/tegra: Relax IOMMU usage criteria on old Tegra
>   drm/tegra: Reuse IOVA mapping where possible
>   gpu: host1x: Set DMA direction only for DMA-mapped buffer objects
> 
>  drivers/gpu/drm/tegra/drm.c   | 49 +++++++++++++++++++++++------------
>  drivers/gpu/drm/tegra/gem.c   | 10 ++++++-
>  drivers/gpu/drm/tegra/plane.c | 44 +++++++++++++++++--------------
>  drivers/gpu/host1x/job.c      | 34 +++++++++++++++++++++---
>  4 files changed, 96 insertions(+), 41 deletions(-)

Works on Tegra20 and Tegra30, thank you very much :)