[PATCH 07/14] drm/mgag200: Replace simple-KMS with regular atomic helpers

[Thomas Zimmermann]

Hi

Am 26.04.23 um 01:39 schrieb kernel at linuxace.com:
> I'm not sure if this information is useful, but we have found one system which
> works with the 6.1 kernel.  I grabbed the lspci output from a working and
> non-working system, pasted below.  Same kernel and same distro.
> 
> BAD Dell R815 AMD
> 0a:03.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200eW

Thanks for this info. That's a G200eW, which uses slightly different 
code within the driver. From the testing we've done, we didn't see the 
bug either. So it's probably something very specific to your machine or 
the G200EH model.

Best regards
Thomas

>          WPCM450 (rev 0a) (prog-if 00 [VGA controller])
>         DeviceName: Embedded Video
>         Subsystem: Dell Device 0444
>         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
>         Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
>         Latency: 32 (4000ns min, 8000ns max), Cache Line Size: 64 bytes
>         Interrupt: pin A routed to IRQ 5
>         NUMA node: 0
>         IOMMU group: 10
>         Region 0: Memory at ec800000 (32-bit, prefetchable) [size=8M]
>         Region 1: Memory at ef7fc000 (32-bit, non-prefetchable) [size=16K]
>         Region 2: Memory at ee800000 (32-bit, non-prefetchable) [size=8M]
>         Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
>         Capabilities: [dc] Power Management version 1
>                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> 00: 2b 10 32 05 07 00 90 02 0a 00 00 03 10 20 00 00
> 10: 08 00 80 ec 00 c0 7f ef 00 00 80 ee 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 44 04
> 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 10 20
> 
> GOOD Dell R710 INTEL
> 0a:03.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200eW
>          WPCM450 (rev 0a) (prog-if 00 [VGA controller])
>         DeviceName: Embedded Video
>         Subsystem: Dell PowerEdge R710 MGA G200eW WPCM450
>         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
>         Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
>         Latency: 32 (4000ns min, 8000ns max), Cache Line Size: 64 bytes
>         Interrupt: pin A routed to IRQ 10
>         Region 0: Memory at d5000000 (32-bit, prefetchable) [size=8M]
>         Region 1: Memory at deffc000 (32-bit, non-prefetchable) [size=16K]
>         Region 2: Memory at df000000 (32-bit, non-prefetchable) [size=8M]
>         Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
>         Capabilities: [dc] Power Management version 1
>                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> 00: 2b 10 32 05 07 00 90 02 0a 00 00 03 10 20 00 00
> 10: 08 00 00 d5 00 c0 ff de 00 00 00 df 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 35 02
> 30: 00 00 00 00 dc 00 00 00 00 00 00 00 0a 01 10 20
> 
> Phil

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)
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