Re: [PATCH v5 0/8] drm/msm/dsi: Get PHY ref clocks from the DT

From: Sean Paul
Date: Thu Jan 31 2019 - 14:24:32 EST


On Mon, Jan 28, 2019 at 04:05:34PM -0800, Matthias Kaehlcke wrote:
> Hi,
>
> this series has gone through multiple rounds of review and there are
> no outstanding comments. It seems it should be ready to land, or is
> there anything left that needs to be addressed?

>From the drm side, I think we'll need Andy to pick up the dt-bindings
and dts changes, and then the msm/dsi changes can be picked once that's
merged. We could also do a topic branch if that suits everyone.

Sean

>
> Thanks
>
> Matthias
>
> On Wed, Dec 19, 2018 at 03:55:20PM -0800, Matthias Kaehlcke wrote:
> > The MSM DSI PHY drivers currently hardcode the name and the rate of
> > the PHY ref clock. Get the ref clock from the device tree instead.
> >
> > Note: testing of this series was limited to SDM845 and the 10nm PHY
> >
> > Major changes in v5:
> > - none (see per-patch change log for minor changes)
> >
> > Major changes in v4:
> > - always use parent rate for 28nm and 28nm 8960 PHYs
> >
> > Major changes in v3:
> > - keep supporting DTs without ref clock for the 28nm and the 28nm
> > 8960 PHYs
> > - added patch to add ref clock to qcom-apq8064.dtsi
> >
> > Major changes in v2:
> > - apply to all MSM DSI PHY drivers, not only 10nm
> >
> > Matthias Kaehlcke (8):
> > dt-bindings: msm/dsi: Add ref clock for PHYs
> > drm/msm/dsi: 28nm 8960 PHY: Get ref clock from the DT
> > drm/msm/dsi: 28nm PHY: Get ref clock from the DT
> > drm/msm/dsi: 14nm PHY: Get ref clock from the DT
> > drm/msm/dsi: 10nm PHY: Get ref clock from the DT
> > arm64: dts: qcom: msm8916: Set 'xo_board' as ref clock of the DSI PHY
> > arm64: dts: sdm845: Set 'bi_tcxo' as ref clock of the DSI PHYs
> > ARM: dts: qcom-apq8064: Set 'xo_board' as ref clock of the DSI PHY
> >
> > .../devicetree/bindings/display/msm/dsi.txt | 1 +
> > arch/arm/boot/dts/qcom-apq8064.dtsi | 5 +--
> > arch/arm64/boot/dts/qcom/msm8916.dtsi | 5 +--
> > arch/arm64/boot/dts/qcom/sdm845.dtsi | 10 +++---
> > drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c | 20 +++++++++--
> > drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c | 23 +++++++++---
> > drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c | 36 +++++++++++++------
> > .../gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c | 24 ++++++++++---
> > 8 files changed, 92 insertions(+), 32 deletions(-)
> >

--
Sean Paul, Software Engineer, Google / Chromium OS