Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Simon Ser
On Tuesday, October 8, 2019 6:16 PM, Daniel Vetter wrote: > On Tue, Oct 8, 2019 at 5:11 PM Simon Ser cont...@emersion.fr wrote: > > > On Tuesday, October 8, 2019 6:03 PM, Daniel Vetter dan...@ffwll.ch wrote: > > > > > > > > > In any case, this doesn't change the patch itself. Probably > > > > >

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Daniel Vetter
On Tue, Oct 8, 2019 at 5:11 PM Simon Ser wrote: > > On Tuesday, October 8, 2019 6:03 PM, Daniel Vetter wrote: > > > > > > > In any case, this doesn't change the patch itself. Probably > > > > > > something worth > > > > > > mentionning in the commit message. > > > > > > > > > > Yes, recording

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Simon Ser
On Tuesday, October 8, 2019 6:03 PM, Daniel Vetter wrote: > > > > > In any case, this doesn't change the patch itself. Probably something > > > > > worth > > > > > mentionning in the commit message. > > > > > > > > Yes, recording these use cases would be very nice. > > > > > > There's a lot

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Daniel Vetter
On Tue, Oct 8, 2019 at 1:39 PM Pekka Paalanen wrote: > > On Tue, 8 Oct 2019 11:59:04 +0200 > Daniel Vetter wrote: > > > On Mon, Sep 30, 2019 at 10:07:07AM +0300, Pekka Paalanen wrote: > > > On Sun, 29 Sep 2019 20:30:44 + > > > Simon Ser wrote: > > > > > > > Hi, > > > > > > > > > On Mon, Sep

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Pekka Paalanen
On Tue, 8 Oct 2019 11:59:04 +0200 Daniel Vetter wrote: > On Mon, Sep 30, 2019 at 10:07:07AM +0300, Pekka Paalanen wrote: > > On Sun, 29 Sep 2019 20:30:44 + > > Simon Ser wrote: > > > > > Hi, > > > > > > > On Mon, Sep 23, 2019 at 12:39:20PM +, Simon Ser wrote: > > > > >

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-10-08 Thread Daniel Vetter
On Mon, Sep 30, 2019 at 10:07:07AM +0300, Pekka Paalanen wrote: > On Sun, 29 Sep 2019 20:30:44 + > Simon Ser wrote: > > > Hi, > > > > > On Mon, Sep 23, 2019 at 12:39:20PM +, Simon Ser wrote: > > > > Currently the property docs don't specify whether it's okay for two > > > > planes to

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-09-30 Thread Pekka Paalanen
On Sun, 29 Sep 2019 20:30:44 + Simon Ser wrote: > Hi, > > > On Mon, Sep 23, 2019 at 12:39:20PM +, Simon Ser wrote: > > > Currently the property docs don't specify whether it's okay for two > > > planes to > > > have the same zpos value and what user-space should expect in this case.

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-09-29 Thread Simon Ser
Hi, > On Mon, Sep 23, 2019 at 12:39:20PM +, Simon Ser wrote: > > Currently the property docs don't specify whether it's okay for two planes > > to > > have the same zpos value and what user-space should expect in this case. > > > > The rule mentionned in the past was to disambiguate with

Re: [v4] drm: two planes with the same zpos have undefined ordering

2019-09-29 Thread james qian wang (Arm Technology China)
On Mon, Sep 23, 2019 at 12:39:20PM +, Simon Ser wrote: > Currently the property docs don't specify whether it's okay for two planes to > have the same zpos value and what user-space should expect in this case. > > The rule mentionned in the past was to disambiguate with object IDs. However >

Re: [PATCH v4] drm: two planes with the same zpos have undefined ordering

2019-09-24 Thread Simon Ser
On Tuesday, September 24, 2019 11:48 AM, Pekka Paalanen wrote: > On Tue, 24 Sep 2019 07:34:30 + > Simon Ser cont...@emersion.fr wrote: > > > On Tuesday, September 24, 2019 10:26 AM, Pekka Paalanen ppaala...@gmail.com > > wrote: > > > > > On Mon, 23 Sep 2019 12:39:20 + > > > Simon Ser

Re: [PATCH v4] drm: two planes with the same zpos have undefined ordering

2019-09-24 Thread Pekka Paalanen
On Tue, 24 Sep 2019 07:34:30 + Simon Ser wrote: > On Tuesday, September 24, 2019 10:26 AM, Pekka Paalanen > wrote: > > > On Mon, 23 Sep 2019 12:39:20 + > > Simon Ser cont...@emersion.fr wrote: > > > > > Currently the property docs don't specify whether it's okay for two > > >

Re: [PATCH v4] drm: two planes with the same zpos have undefined ordering

2019-09-24 Thread Simon Ser
On Tuesday, September 24, 2019 10:26 AM, Pekka Paalanen wrote: > On Mon, 23 Sep 2019 12:39:20 + > Simon Ser cont...@emersion.fr wrote: > > > Currently the property docs don't specify whether it's okay for two planes > > to > > have the same zpos value and what user-space should expect in

Re: [PATCH v4] drm: two planes with the same zpos have undefined ordering

2019-09-24 Thread Pekka Paalanen
On Mon, 23 Sep 2019 12:39:20 + Simon Ser wrote: > Currently the property docs don't specify whether it's okay for two planes to > have the same zpos value and what user-space should expect in this case. > > The rule mentionned in the past was to disambiguate with object IDs. However > some

[PATCH v4] drm: two planes with the same zpos have undefined ordering

2019-09-23 Thread Simon Ser
Currently the property docs don't specify whether it's okay for two planes to have the same zpos value and what user-space should expect in this case. The rule mentionned in the past was to disambiguate with object IDs. However some drivers break this rule (that's why the ordering is documented