Re: [PATCH v20 0/8] Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ

Alexander Stein
2025-01-07T07:29:55Z

Hi Sandor,

thanks for the updates.

Am Dienstag, 17. Dezember 2024, 07:51:42 CET schrieb Sandor Yu:
> The patch set initial support Cadence MHDP8501(HDMI/DP) DRM bridge
> driver and Cadence HDP-TX PHY(HDMI/DP) driver for Freescale i.MX8MQ.
>
> The patch set compose of DRM bridge drivers and PHY driver.
>
> Both of them need by patch #1 and #3 to pass build.
>
> DRM bridges driver patches:
> #1: soc: cadence: Create helper functions for Cadence MHDP
> #2: drm: bridge: cadence: Update mhdp8546 mailbox access functions
> #3: phy: Add HDMI configuration options
> #4: dt-bindings: display: bridge: Add Cadence MHDP8501
> #5: drm: bridge: Cadence: Add MHDP8501 DP/HDMI driver
>
> PHY driver patches:
> #1: soc: cadence: Create helper functions for Cadence MHDP
> #3: phy: Add HDMI configuration options
> #6: dt-bindings: phy: Add Freescale iMX8MQ DP and HDMI PHY
> #7: phy: freescale: Add DisplayPort/HDMI Combo-PHY driver for i.MX8MQ
>
> i.MX8M/TQMa8Mx DT patches:
> #8: Add DT nodes for DCSS/HDMI pipeline
> #9: Enable HDMI for TQMa8Mx/MBa8Mx
>

I gave this version a new try but unfortunately the display stays black.
Although the display pipeline is intialized and even wayland starts.
Do you have any idea where to start looking?

Best regards,
Alexander
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