From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Longerbeam Subject: Re: [PATCH 0/2] staging: vboxvideo: Add page-flip support Date: Tue, 7 Aug 2018 14:57:06 -0700 Message-ID: References: <1532107051-31102-1-git-send-email-steve_longerbeam@mentor.com> <20180806083418.GI3008@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180806083418.GI3008@phenom.ffwll.local> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: Daniel Vetter Cc: devel@driverdev.osuosl.org, Steve Longerbeam , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On 08/06/2018 01:34 AM, Daniel Vetter wrote: > On Fri, Jul 20, 2018 at 10:17:29AM -0700, Steve Longerbeam wrote: >> Adds crtc page-flip support by passing the new requested framebuffer >> to vbox_crtc_do_set_base(). >> >> There is no attempt to support vblank interrupts, so this page-flip >> implementation does not try to sync the page-flip to vertical blanking, >> so expect tearing effects. Is it possible to access the host vblank >> intervals in VBOX? > I think it'd be great to move vboxvideo over to atomic instead, which is > required for destaging anyway, and would give you page flip support for > free. Hi Daniel, yes I agree vboxvideo needs to move to the DRM atomic framework. Steve > >> >> Steve Longerbeam (2): >> staging: vboxvideo: Pass a new framebuffer to vbox_crtc_do_set_base >> staging: vboxvideo: Add page-flip support >> >> drivers/staging/vboxvideo/vbox_mode.c | 34 +++++++++++++++++++++++++++++++--- >> 1 file changed, 31 insertions(+), 3 deletions(-) >> >> -- >> 2.7.4 >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel