Re: [PATCH 00/12] drm/nouveau: support for GK20A, cont'd

On Wed, Mar 26, 2014 at 7:33 PM, Lucas Stach wrote: >> > It does so by doing the necessary manual cache flushes/invalidates on >> > buffer access, so costs some performance. To avoid this you really want >> > to get writecombined mappings into the kernel<->userspace interface. >> > Simply mapping

Re: [PATCH 00/12] drm/nouveau: support for GK20A, cont'd

Hi Alexandre, Am Mittwoch, den 26.03.2014, 15:33 +0900 schrieb Alexandre Courbot: > Hi Lucas, > > On Mon, Mar 24, 2014 at 10:19 PM, Lucas Stach wrote: > > Hi Alexandre, > > > > Am Montag, den 24.03.2014, 17:42 +0900 schrieb Alexandre Courbot: > >> Hi everyone, > > [...] > >> > >> A few lines of

Re: [PATCH 00/12] drm/nouveau: support for GK20A, cont'd

Hi Lucas, On Mon, Mar 24, 2014 at 10:19 PM, Lucas Stach wrote: > Hi Alexandre, > > Am Montag, den 24.03.2014, 17:42 +0900 schrieb Alexandre Courbot: >> Hi everyone, > [...] >> >> A few lines of hacks (not included here) are still needed to deal with cached >> mappings triggering external aborts a

Re: [PATCH 00/12] drm/nouveau: support for GK20A, cont'd

Hi Alexandre, Am Montag, den 24.03.2014, 17:42 +0900 schrieb Alexandre Courbot: > Hi everyone, [...] > > A few lines of hacks (not included here) are still needed to deal with cached > mappings triggering external aborts and CPU/GPU memory coherency issues, but I > hope to understand and address