Re: [PATCH v1 0/3] Send a hotplug when edid changes

[Daniel Vetter <daniel@ffwll.ch>]

On Thu, Jun 27, 2019 at 10:00:14AM +0300, Stanislav Lisovskiy wrote:
> This series introduce to drm a way to determine if something else
> except connection_status had changed during probing, which
> can be used by other drivers as well. Another i915 specific part
> uses this approach to determine if edid had changed without
> changing the connection status and send a hotplug event.
> 
> Stanislav Lisovskiy (3):
>   drm: Add helper to compare edids.
>   drm: Introduce change counter to drm_connector
>   drm/i915: Send hotplug event if edid had changed.

There was a huge discussion a while back on what this all should look
like, with Pekka and Paul and others. This here seems to fall quite a bit
short on that.

https://lists.freedesktop.org/archives/dri-devel/2019-May/217588.html

Also please cc all the people involved in that previous discussion.

Wrt the patches: Documentation seems to be awol at least, that definitely
needs to be fixed. Maybe fix that, resend, and then use that to move the
overall discussion forward with everyone?
-Daniel

> 
>  drivers/gpu/drm/drm_connector.c              |  1 +
>  drivers/gpu/drm/drm_edid.c                   | 26 ++++++++++++++++++
>  drivers/gpu/drm/drm_probe_helper.c           | 29 ++++++++++++++++++--
>  drivers/gpu/drm/i915/display/intel_dp.c      | 16 ++++++++++-
>  drivers/gpu/drm/i915/display/intel_hdmi.c    | 16 +++++++++--
>  drivers/gpu/drm/i915/display/intel_hotplug.c | 20 ++++++++++----
>  include/drm/drm_connector.h                  |  2 ++
>  include/drm/drm_edid.h                       |  2 ++
>  8 files changed, 101 insertions(+), 11 deletions(-)
> 
> -- 
> 2.17.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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