Hi Daniel, Chris The concern for traditional X and media server do make sense. I'll update the patch with RP_UP_EI_INTERRUPT as trigger instead of the page flip. Thanks for the valuable input. - Daisy -----Original Message----- From: daniel.vetter@xxxxxxxx [mailto:daniel.vetter@xxxxxxxx] On Behalf Of Daniel Vetter Sent: Monday, July 14, 2014 12:04 AM To: Sun, Daisy Cc: Chris Wilson; intel-gfx@xxxxxxxxxxxxxxxxxxxxx Subject: Re: [PATCH v2] drm/i915/bdw: BDW Software Turbo On Mon, Jul 14, 2014 at 8:59 AM, Daniel Vetter <daniel@xxxxxxxx> wrote: > On Mon, Jul 14, 2014 at 04:22:44AM +0000, Sun, Daisy wrote: >> 3) The function will be called when flip happened, this should cover >> most of the cases. One exception is background media process without >> any display output, it's relatively rare. Please let me know if you >> have concern on other cases, I will try to cover it definitely. > > Traditional X never flips. And we kinda have to keep this working. > Instead of checking when flipping we need to check at regular time > intervals I guess, for as long as the gt is busy. Oh and transcode servers are a real thing apparently. They also never flip, and we actually care from a business pov ... -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
