[bisected][regression] drm: amdgpu: system hangs on tty login prompt

[Tareque Md.Hanif]

 Hi,
Thanks Alex. The attached patch fixes the issue.
Tareque
    On Friday, December 24, 2021, 01:21:23 AM GMT+6, Alex Deucher <alexdeucher at gmail.com> wrote:  
 
 The attached patch should fix this.

Alex

On Thu, Dec 23, 2021 at 2:04 PM Tareque Md.Hanif
<tarequemd.hanif at yahoo.com> wrote:
>
> Hi,
>
> I have been testing the 5.16-rc6 kernel and it hangs on tty login prompt on my laptop. Sometimes it lets me to login but "startx" hangs the system. The system is booting fine in 5.15.7.
>
> So I bisected the bug.
>
> first bad commit: [f7f12b25823c0dce1165b390522d29f99c4585b4] drm/amdgpu: default to true in amdgpu_device_asic_has_dc_support
>
> Reverting this commit fixes the issue.
>
> Device Information:
> Laptop model: Dell Inspiron 15 5567
> GPU 0: Intel HD Graphics 620
> GPU 1: AMD ATI Radeon R7 M445
>
> Regards,
> Tareque.
>
  
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