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Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2]

From Michel Dänzer <michel@daenzer.net>
Newsgroups linux.kernel
Subject Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2]
Date 2017-08-07 05:10 +0200
Message-ID <ubGAy-2IM-25@gated-at.bofh.it> (permalink)
References <u00Ol-3Tl-5@gated-at.bofh.it> <u9xBn-7sU-1@gated-at.bofh.it> <u9xBn-7sU-5@gated-at.bofh.it> <u9YrU-89Z-7@gated-at.bofh.it> <ubmBP-6Fy-1@gated-at.bofh.it>
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On 06/08/17 12:42 PM, Keith Packard wrote:
> Michel Dänzer <michel@daenzer.net> writes:
> 
>> [...]
>>
>>> +#define DRM_CRTC_SEQUENCE_NEXT_ON_MISS		0x00000002	/* Use next sequence if we've missed */
>>
>> Do you have userspace making use of DRM_CRTC_SEQUENCE_NEXT_ON_MISS? If
>> not, drop it.
> 
> I added this so that the new ioctl would be compatible with the old
> ioctl; do you think that's unnecessary?

I do. I don't know if there's ever been any real-world usage of
DRM_VBLANK_NEXTONMISS. Let's not repeat my mistake in the new interface.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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Thread

[PATCH 0/3] drm: Add CRTC-id based ioctls for vblank query/event Keith Packard <keithp@keithp.com> - 2017-08-01 07:10 +0200
  [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2] Keith Packard <keithp@keithp.com> - 2017-08-01 07:10 +0200
    Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE  ioctls [v2] Daniel Vetter <daniel@ffwll.ch> - 2017-08-02 11:30 +0200
      Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2] "Keith Packard" <keithp@keithp.com> - 2017-08-06 07:50 +0200
        Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE  ioctls [v2] Michel Dänzer <michel@daenzer.net> - 2017-08-07 05:10 +0200
        Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE  ioctls [v2] Daniel Vetter <daniel@ffwll.ch> - 2017-08-07 10:40 +0200
    Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE  ioctls [v2] Michel Dänzer <michel@daenzer.net> - 2017-08-02 11:50 +0200
      Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2] "Keith Packard" <keithp@keithp.com> - 2017-08-06 07:50 +0200
        Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE  ioctls [v2] Michel Dänzer <michel@daenzer.net> - 2017-08-07 05:10 +0200
  [PATCH 1/3] drm: Widen vblank UAPI to 64 bits. Change vblank time to ktime_t [v2] Keith Packard <keithp@keithp.com> - 2017-08-01 07:10 +0200
    Re: [PATCH 1/3] drm: Widen vblank UAPI to 64 bits. Change vblank  time to ktime_t [v2] Daniel Vetter <daniel@ffwll.ch> - 2017-08-02 11:00 +0200
      Re: [PATCH 1/3] drm: Widen vblank UAPI to 64 bits. Change vblank time  to ktime_t [v2] Michel Dänzer <michel@daenzer.net> - 2017-08-02 11:50 +0200
      Re: [PATCH 1/3] drm: Widen vblank UAPI to 64 bits. Change vblank time to ktime_t [v2] "Keith Packard" <keithp@keithp.com> - 2017-08-06 19:40 +0200
  [PATCH 2/3] drm: Reorganize drm_pending_event to support future event types [v2] Keith Packard <keithp@keithp.com> - 2017-08-01 07:10 +0200
    Re: [PATCH 2/3] drm: Reorganize drm_pending_event to support future  event types [v2] Daniel Vetter <daniel@ffwll.ch> - 2017-08-02 11:10 +0200

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