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

From: Thierry Reding treding@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(-)