On Thu, Jun 25, 2015 at 12:24:59PM +0000, Wang, Zhi A wrote: > Hi Chris: > Thanks for the comments that extends our knowledge about this > modification. Really appreciate the help. But is it possible that we still > need an ordinary gpu reset here? Consider that we may modprobe i915 with > i915.enable_execlists=1 then unload it, then modprobe > i915.enable_execlists=0, according to bspec, changing execlist mode to > ringbuffer mode, a hardware reset is needed?
Sounds credible that execlist -> execbuffer requires a reset. That reset should be called in execlist shutdown and documented appropriately. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
