Re: [PATCH v2 07/11] clk: qcom: mmcc-msm8998: Set CLK_GET_RATE_NOCACHE to pixel/byte clks

[AngeloGioacchino Del Regno]

Il 08/02/21 19:21, Stephen Boyd ha scritto:
> Quoting AngeloGioacchino Del Regno (2021-01-14 14:10:55)
> > The pixel and byte clocks rate should not be cached, as a VCO shutdown
> > may clear the frequency setup and this may not be set again due to the
> > cached rate being present.
> > This will also be useful when shadow clocks will be implemented in
> > the DSI PLL for seamless timing/resolution switch.
> >
> > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
> > ---
> >   drivers/clk/qcom/mmcc-msm8998.c | 8 ++++----
> >   1 file changed, 4 insertions(+), 4 deletions(-)
>
> We didn't do this on sdm845, so I'm not going to apply this patch. The
> rate caching thing is a problem with the display driver that should be
> fixed some other way vs. setting nocache here.

Ok, I agree.