Re: [PATCH v0 00/10] i.MX8MP HDMI support

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Hi Tim,

Am Mittwoch, dem 06.04.2022 um 09:10 -0700 schrieb Tim Harvey:
> On Wed, Apr 6, 2022 at 9:01 AM Lucas Stach <l.stach@xxxxxxxxxxxxxx> wrote:
> > 
> > Hi all,
> > 
> > this adds support for the HDMI output pipeline on the i.MX8MP.
> > It currently depends on the i.MX8MP HDMI power domain series [1]
> > and support for the new LCDIF [2] in the i.MX8MP. I guess the
> > implementation presented here also still has some warts that
> > require fixing and the individual patches most likely need to go
> > through different maintainer trees, so I don't expect this series
> > to be applied right away.
> > 
> > However this complete series should allow people to test it more
> > easily and provide feedback on the implementation with the full
> > picture available.
> > 
> > Compared to downstream this implementation actually allows to
> > power down the separate HDMI PHY power domain when the display
> > is inactive or no HDMI cable is connected.
> > 
> > Regards,
> > Lucas
> > 
> > [1] https://lore.kernel.org/all/20220406153402.1265474-1-l.stach@xxxxxxxxxxxxxx/
> > [2] https://lore.kernel.org/all/20220322142853.125880-1-marex@xxxxxxx/
> > 
> > Lucas Stach (10):
> >   drm/bridge: dw-hdmi: add low-active PHY reset
> >   dt-bindings: display: imx: add binding for i.MX8MP HDMI TX
> >   drm/imx: add bridge wrapper driver for i.MX8MP DWC HDMI
> >   dt-bindings: display: imx: add binding for i.MX8MP HDMI PVI
> >   drm/imx: add driver for HDMI TX Parallel Video Interface
> >   dt-bindings: phy: add binding for the i.MX8MP HDMI PHY
> >   phy: freescale: add Samsung HDMI PHY
> >   arm64: dts: imx8mp: add HDMI irqsteer
> >   arm64: dts: imx8mp: add HDMI display pipeline
> >   arm64: dts: imx8mp-evk: enable HDMI
> > 
> >  .../display/imx/fsl,imx8mp-hdmi-pvi.yaml      |   83 ++
> >  .../bindings/display/imx/fsl,imx8mp-hdmi.yaml |   72 ++
> >  .../bindings/phy/fsl,imx8mp-hdmi-phy.yaml     |   62 +
> >  arch/arm64/boot/dts/freescale/imx8mp-evk.dts  |   19 +
> >  arch/arm64/boot/dts/freescale/imx8mp.dtsi     |   93 ++
> >  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c     |    7 +
> >  drivers/gpu/drm/imx/Kconfig                   |    1 +
> >  drivers/gpu/drm/imx/Makefile                  |    2 +
> >  drivers/gpu/drm/imx/bridge/Kconfig            |   18 +
> >  drivers/gpu/drm/imx/bridge/Makefile           |    4 +
> >  drivers/gpu/drm/imx/bridge/imx-hdmi-pvi.c     |  209 +++
> >  drivers/gpu/drm/imx/bridge/imx-hdmi.c         |  128 ++
> >  drivers/phy/freescale/Kconfig                 |    7 +
> >  drivers/phy/freescale/Makefile                |    1 +
> >  drivers/phy/freescale/phy-fsl-samsung-hdmi.c  | 1145 +++++++++++++++++
> >  include/drm/bridge/dw_hdmi.h                  |    1 +
> >  16 files changed, 1852 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> >  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
> >  create mode 100644 Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml
> >  create mode 100644 drivers/gpu/drm/imx/bridge/Kconfig
> >  create mode 100644 drivers/gpu/drm/imx/bridge/Makefile
> >  create mode 100644 drivers/gpu/drm/imx/bridge/imx-hdmi-pvi.c
> >  create mode 100644 drivers/gpu/drm/imx/bridge/imx-hdmi.c
> >  create mode 100644 drivers/phy/freescale/phy-fsl-samsung-hdmi.c
> > 
> > --
> > 2.30.2
> > 
> 
> Lucas,
> 
> Thanks for consolidating this - It's been difficult to try to merge
> these for testing.
> 
> I still have not been able to apply these to origin/master or
> imx/master - what are you basing off of here?

This HDMI series depends on the HDMI blk-ctrl ([1] in this cover
letter), which in turn depends on the GPCv2 i.MX8MP support series ([1]
in the HDMI blk-ctrl cover letter), which should apply cleanly or with
minimal fuzz to 5.18-rc1.

Regards,
Lucas




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