help: radeon card boot hung under Linux

Weiwen Zhong azhongweiwen at
Wed Mar 8 06:42:08 UTC 2017

Hi all,

I have an armv8 machine with radeon 7350 card installed. And this is my
only display card. I've built radeon drivers and firmwares into the kernel
(ver 4.9.9).
When system booting and loading radeon driver, my radeon card will hung
there, about 3 seconds the screen will be black without signal. And I've
found the code where it stuck. And what's wrong with that?

function call:
            radeon_gart_set_page (hung here)

Thanks in advance.

weiwen zhong
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