linux-kernel - Re: [PATCH] drm/panel: boe-tv101wum-nl6: Fine tune Himax83102-j02 panel HFP and HBP

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Message-ID: <CAHwB_NJ0LdO0OK0uUTUP=OzkFN9Dfd_9EtAX1pGf_ygV__Y-UA@mail.gmail.com>
Date: Tue, 5 Mar 2024 09:23:25 +0800
From: cong yang <yangcong5@...qin.corp-partner.google.com>
To: Doug Anderson <dianders@...omium.org>
Cc: sam@...nborg.org, neil.armstrong@...aro.org, daniel@...ll.ch, 
	hsinyi@...omium.org, swboyd@...omium.org, airlied@...il.com, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: boe-tv101wum-nl6: Fine tune Himax83102-j02
 panel HFP and HBP

Hi,

On Tue, Mar 5, 2024 at 12:51 AM Doug Anderson <dianders@...omium.org> wrote:
>
> Hi,
>
> On Thu, Feb 29, 2024 at 10:11 PM Cong Yang
> <yangcong5@...qin.corp-partner.google.com> wrote:
> >
> > The current measured frame rate is 59.95Hz, which does not meet the
> > requirements of touch-stylus and stylus cannot work normally. After
> > adjustment, the actual measurement is 60.001Hz. Now this panel looks
> > like it's only used by me on the MTK platform, so let's change this
> > set of parameters.
> >
> > Fixes: cea7008190ad ("drm/panel: Fine tune Himax83102-j02 panel HFP and HBP")
>
> Your "Fixes:" tag is not quite right. It needs to have the _exact_
> subject of the old commit message, AKA:
>
> Fixes: cea7008190ad ("drm/panel: boe-tv101wum-nl6: Fine tune
> Himax83102-j02 panel HFP and HBP")

Ack! Thanks, I’ll fix it now.

>
> > Signed-off-by: Cong Yang <yangcong5@...qin.corp-partner.google.com>
> > ---
> >  drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 8 ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
>
> A little odd that the patch you're fixing claimed that it caused the
> measured rate to be 60.01Hz and here you're saying that it ended up
> being 59.95Hz. I guess there was a measurement error when the previous
> patch was posted?

Yes, the previous  patch measurement was wrong.

>
> In any case, the argument still holds that this is a panel that still
> appears to be only used by your board, so small tweaks to the numbers
> here seem OK.
>
> Landed to "drm-misc-fixes" after:
> * Adding "(again)" to the end of the subject to make it distinct from
> the previous patch description
> * Fixing your Fixes tag
>
> 9dfc46c87cdc drm/panel: boe-tv101wum-nl6: Fine tune Himax83102-j02
> panel HFP and HBP (again)

Got it. Thanks.

>
>
> -Doug