[PATCH 0/2] staging: vboxvideo: Add page-flip support

Steve Longerbeam slongerbeam at gmail.com
Tue Aug 7 21:57:06 UTC 2018



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
>>
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