On Fri, Nov 7, 2014 at 11:43 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > On Fri, Nov 07, 2014 at 11:35:01AM +0100, Sedat Dilek wrote: >> On Fri, Nov 7, 2014 at 11:29 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >> > On Fri, Nov 07, 2014 at 11:08:41AM +0100, Sedat Dilek wrote: >> >> Hi, >> >> >> >> I am playing with wc-mmap [1]... (and sent a trivial patch [0]). >> >> >> >> Inspecting my logs... >> >> >> >> $ egrep 'wc|mmap' >> >> logs/build-and-install-log_XF86-Video-Intel-v2-99-916-137-g0aa2edb_WCMMAP_llvm-3-4-2.txt >> >> Experimental support: TearFree mmap(wc) >> >> >> >> $ egrep -i 'wc|mmap|write|comb' /var/log/Xorg.0.log >> >> [ EMPTY ] >> >> >> >> TearFree [1] can be set via an option in xorg.conf. >> >> Doing a very quick look into the sources, such a flag/option is not recognized. >> >> >> >> How do I see if wc-mmap is enabled/active on my desktop? >> > >> > Er, hopefully you don't notice anything except it speeds up certain >> > operations (quite considerably) :). You have to enable the DBG output to >> > see it in action, as it is quite a lowlevel feature (i.e. how we >> > interact with the kernel) and should not add any user visible features. >> > However, it does also require the kernel patch for it to be enabled. >> >> Can you point me to that kernel-patch? >> Is Linux v3.18-rc2+ good enough or do I need d-i-l-n / d-i-n? > Hmm... against which trees are those patches? > http://patchwork.freedesktop.org/patch/35049/ "drm/i915: Broaden application of set-domain(GTT)" ...is not applicable against d-i-f or d-i-n. > http://patchwork.freedesktop.org/patch/35471/ "drm/i915: Support creation of unbound wc user mappings for objects" That's good for both. - Sedat - _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
