Re: 6.10/bisected/regression - commits bc87d666c05 and 6d4279cb99ac cause appearing green flashing bar on top of screen on Radeon 6900XT and 120Hz

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On Tue, Jul 9, 2024 at 7:48 PM Rodrigo Siqueira Jordao
<Rodrigo.Siqueira@xxxxxxx> wrote:
> Hi,
>
> I also tried it with 6900XT. I got the same results on my side.

This is weird.

> Anyway, I could not reproduce the issue with the below components. I may
> be missing something that will trigger this bug; in this sense, could
> you describe the following:
> - The display resolution and refresh rate.

3840x2160 and 120Hz
At 60Hz issue not reproduced.

> - Are you able to reproduce this issue with DP and HDMI?

My TV, an OLED LG C3, has only an HDMI 2.1 port.

> - Could you provide the firmware information: sudo cat
> /sys/kernel/debug/dri/0/amdgpu_firmware_info

> sudo cat /sys/kernel/debug/dri/0/amdgpu_firmware_info
[sudo] password for mikhail:
VCE feature version: 0, firmware version: 0x00000000
UVD feature version: 0, firmware version: 0x00000000
MC feature version: 0, firmware version: 0x00000000
ME feature version: 38, firmware version: 0x0000000e
PFP feature version: 38, firmware version: 0x0000000e
CE feature version: 38, firmware version: 0x00000003
RLC feature version: 1, firmware version: 0x0000001f
RLC SRLC feature version: 1, firmware version: 0x00000001
RLC SRLG feature version: 1, firmware version: 0x00000001
RLC SRLS feature version: 1, firmware version: 0x00000001
RLCP feature version: 0, firmware version: 0x00000000
RLCV feature version: 0, firmware version: 0x00000000
MEC feature version: 38, firmware version: 0x00000015
MEC2 feature version: 38, firmware version: 0x00000015
IMU feature version: 0, firmware version: 0x00000000
SOS feature version: 0, firmware version: 0x00000000
ASD feature version: 553648344, firmware version: 0x210000d8
TA XGMI feature version: 0x00000000, firmware version: 0x00000000
TA RAS feature version: 0x00000000, firmware version: 0x00000000
TA HDCP feature version: 0x00000000, firmware version: 0x1700003f
TA DTM feature version: 0x00000000, firmware version: 0x12000016
TA RAP feature version: 0x00000000, firmware version: 0x00000000
TA SECUREDISPLAY feature version: 0x00000000, firmware version: 0x00000000
SMC feature version: 0, program: 0, firmware version: 0x00544fdf (84.79.223)
SDMA0 feature version: 52, firmware version: 0x00000009
VCN feature version: 0, firmware version: 0x0311f002
DMCU feature version: 0, firmware version: 0x00000000
DMCUB feature version: 0, firmware version: 0x05000f00
TOC feature version: 0, firmware version: 0x00000007
MES_KIQ feature version: 0, firmware version: 0x00000000
MES feature version: 0, firmware version: 0x00000000
VPE feature version: 0, firmware version: 0x00000000
VBIOS version: 102-RAPHAEL-008

> Also, could you conduct the below tests and report the results:
>
> - Test 1: Just revert the fallback patch (drm/amd/display: Add fallback
> configuration for set DRR in DCN10) and see if it solves the issue.

It's not enough.
I checked revert commit bc87d666c05 on top of 34afb82a3c67.

> - Test 2: Try the latest amd-staging-drm-next
> (https://gitlab.freedesktop.org/agd5f/linux) and see if the issue is gone.

I checked commit 7cef45b1347a in the amd-staging-drm-next branch. Same here.

> - Test 3: In the kernel that you see the issue, could you install the
> latest firmware and see if it fix the issue? Check:
> https://gitlab.freedesktop.org/drm/firmware P.S.: Don't forget to update
> the initramfs or something similar in your system.

Is this any sense? Fedora Rawhide always ships with the latest kernel
and firmware.

-- 
Best Regards,
Mike Gavrilov.




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