linux-kernel - Re: [PATCH v2] drm/dp: move intel_dp_vsc_sdp

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Message-ID: <CAA8EJpoeb63QRddxawm2J0s8O0XrLQBrDuYXOB=ZtzDG7mu2PQ@mail.gmail.com>
Date: Tue, 20 Feb 2024 21:20:06 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: dri-devel@...ts.freedesktop.org, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Jani Nikula <jani.nikula@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, 
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, 
	Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>, robdclark@...il.com, 
	freedreno@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org, 
	ville.syrjala@...ux.intel.com, quic_jesszhan@...cinc.com, 
	linux-kernel@...r.kernel.org, intel-xe@...ts.freedesktop.org
Subject: Re: [PATCH v2] drm/dp: move intel_dp_vsc_sdp_pack() to generic helper

On Tue, 20 Feb 2024 at 21:05, Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
>
> On Tue, 20 Feb 2024 at 20:53, Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
> >
> >
> >
> > On 2/20/2024 10:49 AM, Dmitry Baryshkov wrote:
> > > On Thu, 15 Feb 2024 at 21:08, Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
> > >>
> > >> intel_dp_vsc_sdp_pack() can be re-used by other DRM drivers as well.
> > >> Lets move this to drm_dp_helper to achieve this.
> > >>
> > >> changes in v2:
> > >>          - rebased on top of drm-tip
> > >>
> > >> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > >
> > > v1 had an explicit comment before the ack:
> > >
> >
> > Yes, I remember the comment. I did not make any changes to v2 other than
> > just rebasing it on drm-tip to get the ack from i915 folks.
> >
> > >>     From my side, with the promise of the size fixup.
> > >
> > > However I observe neither a second patch removing the size argument
> > > nor it being dropped as a part of this patch.
> > >
> >
> > Yes, now that in v2 we got the ack for this patch, I can spin a v3 with
> > the addition of the next patch to remove the size OR as another series
> > so as to not block the main series which needs this patch.
> >
> > I would prefer the latter.
>
> It doesn't work this way. The comment should have been fixed for v2.

This probably deserves some explanation. Currently there is only one
user of this function. So it is easy to fix it. Once there are several
users, you have to fix all of them at the same time, patching
different drm subtrees. That complicates the life of maintainers.

-- 
With best wishes
Dmitry