From: "Michel Dänzer" <michel@daenzer.net>
To: Keith Packard <keithp@keithp.com>,
Dave Airlie <airlied@redhat.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2]
Date: Mon, 7 Aug 2017 12:03:15 +0900 [thread overview]
Message-ID: <8dabcab7-a8ed-1395-1736-705c6d2ccd7d@daenzer.net> (raw)
In-Reply-To: <87mv7dfjjy.fsf@keithp.com>
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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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WARNING: multiple messages have this Message-ID (diff)
From: "Michel Dänzer" <michel@daenzer.net>
To: Keith Packard <keithp@keithp.com>,
Dave Airlie <airlied@redhat.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2]
Date: Mon, 7 Aug 2017 12:03:15 +0900 [thread overview]
Message-ID: <8dabcab7-a8ed-1395-1736-705c6d2ccd7d@daenzer.net> (raw)
In-Reply-To: <87mv7dfjjy.fsf@keithp.com>
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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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next prev parent reply other threads:[~2017-08-07 3:03 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-05 22:10 [PATCH 0/3] drm: Add CRTC-id based ioctls for vblank query/event Keith Packard
2017-07-05 22:10 ` Keith Packard
2017-07-05 22:10 ` [PATCH 1/3] drm: Widen vblank count to 64 bits. Change vblank time precision to ns Keith Packard
2017-07-05 22:10 ` Keith Packard
2017-07-06 7:19 ` Daniel Vetter
2017-07-06 7:19 ` Daniel Vetter
2017-07-06 14:59 ` Keith Packard
2017-07-06 14:59 ` Keith Packard
2017-07-07 12:16 ` Daniel Vetter
2017-07-07 12:16 ` Daniel Vetter
2017-07-25 20:54 ` Keith Packard
2017-07-25 20:54 ` Keith Packard
2017-07-06 7:45 ` Michel Dänzer
2017-07-06 7:45 ` Michel Dänzer
2017-07-06 8:05 ` Michel Dänzer
2017-07-06 8:05 ` Michel Dänzer
2017-07-06 15:11 ` Keith Packard
2017-07-06 15:04 ` Keith Packard
2017-07-06 15:04 ` Keith Packard
2017-07-07 1:34 ` Michel Dänzer
2017-07-07 1:34 ` Michel Dänzer
2017-07-07 2:05 ` Michel Dänzer
2017-07-07 2:05 ` Michel Dänzer
2017-07-05 22:10 ` [PATCH 2/3] drm: Reorganize drm_pending_event to support future event types Keith Packard
2017-07-05 22:10 ` Keith Packard
2017-07-06 7:30 ` Daniel Vetter
2017-07-06 15:36 ` Keith Packard
2017-07-06 15:36 ` Keith Packard
2017-07-07 12:05 ` Daniel Vetter
2017-07-07 12:05 ` Daniel Vetter
2017-07-05 22:10 ` [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls Keith Packard
2017-07-05 22:10 ` Keith Packard
2017-07-06 7:53 ` Daniel Vetter
2017-07-06 10:16 ` Ville Syrjälä
2017-07-06 10:16 ` Ville Syrjälä
2017-07-06 11:04 ` Daniel Vetter
2017-07-06 14:08 ` Ville Syrjälä
2017-07-06 16:28 ` Keith Packard
2017-07-06 16:28 ` Keith Packard
2017-07-06 17:59 ` Ville Syrjälä
2017-07-06 17:59 ` Ville Syrjälä
2017-07-06 18:22 ` Keith Packard
2017-07-06 18:22 ` Keith Packard
2017-07-06 18:59 ` Ville Syrjälä
2017-07-06 18:59 ` Ville Syrjälä
2017-07-06 19:46 ` Keith Packard
2017-07-06 19:46 ` Keith Packard
2017-07-06 16:27 ` Keith Packard
2017-07-06 16:27 ` Keith Packard
2017-07-06 21:49 ` Daniel Vetter
2017-07-06 21:49 ` Daniel Vetter
2017-08-01 5:03 ` [PATCH 0/3] drm: Add CRTC-id based ioctls for vblank query/event Keith Packard
2017-08-01 5:03 ` Keith Packard
2017-08-01 5:03 ` [PATCH 1/3] drm: Widen vblank UAPI to 64 bits. Change vblank time to ktime_t [v2] Keith Packard
2017-08-01 5:03 ` Keith Packard
2017-08-02 8:53 ` Daniel Vetter
2017-08-02 8:53 ` Daniel Vetter
2017-08-02 9:41 ` Michel Dänzer
2017-08-02 9:41 ` Michel Dänzer
2017-08-06 17:35 ` Keith Packard
2017-08-06 17:35 ` Keith Packard
2017-08-01 5:03 ` [PATCH 2/3] drm: Reorganize drm_pending_event to support future event types [v2] Keith Packard
2017-08-02 9:05 ` Daniel Vetter
2017-08-01 5:03 ` [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v2] Keith Packard
2017-08-01 5:03 ` Keith Packard
2017-08-02 9:25 ` Daniel Vetter
2017-08-02 9:25 ` Daniel Vetter
2017-08-06 3:32 ` Keith Packard
2017-08-06 3:32 ` Keith Packard
2017-08-07 3:02 ` Michel Dänzer
2017-08-07 3:02 ` Michel Dänzer
2017-08-07 8:34 ` Daniel Vetter
2017-08-07 8:34 ` Daniel Vetter
2017-10-09 17:18 ` Keith Packard
2017-10-09 17:18 ` Keith Packard
2017-10-10 8:55 ` Daniel Vetter
2017-10-10 8:55 ` Daniel Vetter
2017-08-02 9:45 ` Michel Dänzer
2017-08-06 3:42 ` Keith Packard
2017-08-06 3:42 ` Keith Packard
2017-08-07 3:03 ` Michel Dänzer [this message]
2017-08-07 3:03 ` Michel Dänzer
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