Re: drm/exynos: g2d userptr memory corruption

Hi Tobias, Am Sonntag, den 16.08.2015, 14:48 +0200 schrieb Tobias Jakobi: Hello, some time ago I checked whether I could use the userptr functionality to do zero-copy from userspace allocated buffers via the G2D. This didn't work out so well, so kinda put this to the bottom of my TODO list.

Re: drm/exynos: g2d userptr memory corruption

Thanks Lucas for the explanation! Lucas Stach wrote: Hi Tobias, Am Sonntag, den 16.08.2015, 14:48 +0200 schrieb Tobias Jakobi: Hello, some time ago I checked whether I could use the userptr functionality to do zero-copy from userspace allocated buffers via the G2D. This didn't work out

drm/exynos: g2d userptr memory corruption

Hello, some time ago I checked whether I could use the userptr functionality to do zero-copy from userspace allocated buffers via the G2D. This didn't work out so well, so kinda put this to the bottom of my TODO list. Now that IOMMU support has landed and Jan Kara has rewrote page pinning using