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Groups > linux.kernel > #1635698

Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback

From Daniel Vetter <daniel@ffwll.ch>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback
Date 2017-05-04 14:50 +0200
Message-ID <tDomJ-3tZ-1@gated-at.bofh.it> (permalink)
References (3 earlier) <tCCi7-4Jn-35@gated-at.bofh.it> <tCVNM-150-37@gated-at.bofh.it> <tD3ij-6wt-37@gated-at.bofh.it> <tD44H-73B-45@gated-at.bofh.it> <tD4o1-7a8-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, May 3, 2017 at 5:21 PM, Ville Syrjälä
<ville.syrjala@linux.intel.com> wrote:
> We don't actually want the codepaths to match exactly. In i915
> we allow the user to exceed some of the display/dongle limits
> because those things often tell us that something shouldn't work
> when in fact it does. And some users are quick to complain if
> something stops working for them.

The goal here is to share the source-side checking
(crtc/encoder/bridges), and that should match perfectly between probe
and commit. Sink-side constraints are different, and for those we
should indeed not check everything. Maybe a good reason to only call
connector->mode_valid in the probe paths?
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

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Thread

[PATCH 0/2] Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-04-26 12:50 +0200
  [PATCH 2/2] drm: arcpgu: Use crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-04-26 13:00 +0200
  [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-04-26 13:00 +0200
    Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Andrzej Hajda <a.hajda@samsung.com> - 2017-04-27 12:10 +0200
      Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-04-27 14:40 +0200
    Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-28 13:50 +0200
      Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-04-28 14:40 +0200
        Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-04-28 15:00 +0200
    Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-02 10:50 +0200
      Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-02 11:30 +0200
        Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-03 08:20 +0200
          Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-03 16:20 +0200
            Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-03 17:10 +0200
              Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-05-03 17:30 +0200
                Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-04 14:50 +0200
                Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Ville Syrjälä <ville.syrjala@linux.intel.com> - 2017-05-04 15:10 +0200
              Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-04 12:30 +0200
                Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Jose Abreu <Jose.Abreu@synopsys.com> - 2017-05-04 14:00 +0200
                Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-04 14:50 +0200
        Re: [PATCH 1/2] drm: Introduce crtc->mode_valid() callback Daniel Vetter <daniel@ffwll.ch> - 2017-05-03 08:30 +0200

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