Re: drm/exynos: g2d userptr memory corruption

2015-08-17 Thread Tobias Jakobi
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

Re: drm/exynos: g2d userptr memory corruption

2015-08-17 Thread Lucas Stach
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 l