[PATCH v4 22/24] drm/msm/dsi: remove temp data from global pll structure

John Stultz john.stultz at linaro.org
Fri Jun 11 19:15:16 UTC 2021


On Fri, Jun 11, 2021 at 2:01 AM Dmitry Baryshkov
<dmitry.baryshkov at linaro.org> wrote:
>
> Hi,
>
> On Fri, 11 Jun 2021 at 10:07, John Stultz <john.stultz at linaro.org> wrote:
> >
> > On Wed, Mar 31, 2021 at 3:58 AM Dmitry Baryshkov
> > <dmitry.baryshkov at linaro.org> wrote:
> > >
> > > The 7nm, 10nm and 14nm drivers would store interim data used during
> > > VCO/PLL rate setting in the global dsi_pll_Nnm structure. Move this data
> > > structures to the onstack storage. While we are at it, drop
> > > unused/static 'config' data, unused config fields, etc.
> > >
> > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> > > Reviewed-by: Abhinav Kumar <abhinavk at codeaurora.org>
> > > Tested-by: Stephen Boyd <swboyd at chromium.org> # on sc7180 lazor
> >
> > Hey Dmitry,
> >   Just wanted to give you a heads up.  Peter Collingbourne reported
> > today that his db845c wasn't booting to display for him on his 4k
> > monitor. It works fine on a 1080p screen, and while 4k isn't supported
> > (yet?),  normally the board should fall back to 1080p when connected
> > to a 4k monitor.  I was able to reproduce this myself and I see the
> > errors below[1].
>
> It looks like I made a mistake testing these patches with the splash
> screen disabled.
> Stephen Boyd has proposed a fix few days ago (will be included into
> the 5.13). Could you check that it fixes the problem for you?
>
> https://lore.kernel.org/linux-arm-msm/20210608195519.125561-1-swboyd@chromium.org/

Ah! This does seem to fix it! Thank you so much for pointing it out!

thanks
-john


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