BUG: *ERROR* No EDID read

[Alex Deucher]

On Mon, Jul 2, 2018 at 3:21 PM, Daniel Andersson <engywook at gmail.com> wrote:
> I get:
> [drm:dc_link_detect [amdgpu]] *ERROR* No EDID read.
> on boot. This started happening on 4.17 and is still an issue on 4.18-rc2.
>
> I have a Vega64 connected on Display Port to a monitor(1440p). The monitor
> doesn't have any additional ports so I can't test HDMI.
>
> xrandr:
> Screen 0: minimum 320 x 200, current 1024 x 768, maximum 16384 x 16384
> DisplayPort-0 connected 1024x768+0+0 (normal left inverted right x axis y
> axis) 0mm x 0mm
>    1024x768      60.00*
>    800x600       60.32    56.25
>    848x480       60.00
>    640x480       59.94
> DisplayPort-1 disconnected (normal left inverted right x axis y axis)
> HDMI-A-0 disconnected (normal left inverted right x axis y axis)
> HDMI-A-1 disconnected (normal left inverted right x axis y axis)
>
> The 1440p resolution worked on 4.16.

Can you use git to bisect?

Alex