Re: [resend] [regression] amdgpu carrizo: no display signal after modeset

On 2026.06.22 16:52, Jaak Ristioja wrote:
> Issue also seems to occurs with 7.1.1 (`dmesg -f kern` output attached).
> 
> The DisplayPort to HDMI dongle does not have markings on the body to 
> identify the exact model, but by the looks of it I think it might be a 
> Vention HBKB0, which seems to be marketed as "1080p@60", "DP male to 
> HDMI female", "classic" (as opposed to "4K"). According to some 
> materials, the chip inside is a MXP3361.
> 
> The text on the HDMI cable reads "ULTRA HIGH SPEED HDMI™ CABLE - 
> WWW.HAMA.COM - HAMA GMBH & CO KG 86652 MONHEIM/GERMANY - 82623".

Reverting commit fee50077656 ("drm/amd/display: Bump the HDMI clock to 
340MHz") on top of v7.1.1 appears to resolve the issue, as I am now able 
to get a picture.


PS: My previous e-mail with the attached dmesg-7.1.1.txt.xz file was 
bounced from @amd.com addresses: Diagnostic-Code: smtp;550 5.0.350 One 
or more of the attachments in your email is of a file type that is NOT 
allowed by the recipient's organization.