Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-30 Thread Zhenyu Wang
el.org; linux- > > ker...@vger.kernel.org; alex.william...@redhat.com; Lv, Zhiyuan > > ; Yuan, Hang ; intel-gvt- > > d...@lists.freedesktop.org; Wang, Zhi A > > Subject: RE: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to > > userspace > > > >

RE: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-28 Thread Zhang, Tina
t; To: Zhenyu Wang > > Cc: Tian, Kevin ; k...@vger.kernel.org; linux- > > ker...@vger.kernel.org; Zhang, Tina ; > > alex.william...@redhat.com; Lv, Zhiyuan ; Yuan, > > Hang ; intel-gvt-...@lists.freedesktop.org; Wang, > > Zhi A > > Subject: Re: [RFC PATCH v3 0/4] Deli

RE: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-28 Thread Zhang, Tina
Tina ; > alex.william...@redhat.com; Lv, Zhiyuan ; Yuan, > Hang ; intel-gvt-...@lists.freedesktop.org; Wang, > Zhi A > Subject: Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to > userspace > > On Fri, Jun 28, 2019 at 11:21:49AM +0800, Zhenyu Wang wrote: > > O

Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-28 Thread Zhenyu Wang
On 2019.06.28 07:43:46 +0200, Gerd Hoffmann wrote: > On Fri, Jun 28, 2019 at 11:21:49AM +0800, Zhenyu Wang wrote: > > On 2019.06.27 12:31:33 +0200, Gerd Hoffmann wrote: > > > > > Hi, > > > > > > > > > > > Instead of delivering page flip events, we choose to post display > > > > > > vblank

Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-27 Thread Gerd Hoffmann
On Fri, Jun 28, 2019 at 11:21:49AM +0800, Zhenyu Wang wrote: > On 2019.06.27 12:31:33 +0200, Gerd Hoffmann wrote: > > > > Hi, > > > > > > > > > Instead of delivering page flip events, we choose to post display > > > > > vblank event. Handling page flip events for both primary plane and > > > >

Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-27 Thread Zhenyu Wang
On 2019.06.27 12:31:33 +0200, Gerd Hoffmann wrote: > > > Hi, > > > > > > > Instead of delivering page flip events, we choose to post display > > > > vblank event. Handling page flip events for both primary plane and > > > > cursor plane may make user space quite busy, although we have the > > >

Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-27 Thread Gerd Hoffmann
> > Hi, > > > > > Instead of delivering page flip events, we choose to post display > > > vblank event. Handling page flip events for both primary plane and > > > cursor plane may make user space quite busy, although we have the > > > mask/unmask mechansim for mitigation. Besides, there are

RE: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-27 Thread Zhang, Tina
; Wang, Zhi A ; Tian, Kevin > ; Yuan, Hang ; > alex.william...@redhat.com > Subject: Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to > userspace > > Hi, > > > Instead of delivering page flip events, we choose to post display > > vblank e

Re: [RFC PATCH v3 0/4] Deliver vGPU display vblank event to userspace

2019-06-27 Thread Gerd Hoffmann
Hi, > Instead of delivering page flip events, we choose to post display vblank > event. Handling page flip events for both primary plane and cursor plane > may make user space quite busy, although we have the mask/unmask mechansim > for mitigation. Besides, there are some cases that guest app