signed HDMI firmware in imx8mq image

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Every one,

In order to build a Barebox image to boot imx8mq-evk with HDMI, I have tried to
tell Barebox about the embedded signed HDMI firmware, which is necessary for
provided kernel image by NXP.

for this matter, I added the below line into the
arch/arm/boards/nxp-imx8mq-evk/flash-header-imx8mq-evk.imxcfg

  soc imx8mq
  loadaddr 0x007E1000
  dcdofs 0x400
+ signed_hdmi_firmware firmware/imx/signed_hdmi_imx8m.bin

And placed the firmware into the build-directory/firmware/imx


By checking kernel boot message, it seems the HDMI FW is running, but no access
to the HDMI:
[drm:hdmi_phy_init_t28hpc] *ERROR* HDMI mailbox access failed

What should I do more in Barebox to make HDMI accessible by kernel?

Best,
Reyhaneh


--
Reyhaneh Yazdani
Data Modul AG                            TEL:    +49-89-56017-154
Embedded development                 FAX:    +49-89-56017-119
Linux - Development                      RG: HR-Muenchen B-85591
Landsberger Str. 322 D-80687 Muenchen - http://www.data-modul.com

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