Hi Alex,
Your commit 9349d5cc920c10845693f906ebd67f394f1d0d04
(drm/radeon/kms/pm: enable SetVoltage on r7xx/evergreen) has caused my test-bed
Acer Ferrari One to behave quite unreliably. The symptoms are:
- the system hangs hard (~ 50% of the time) when starting Xorg
- the system hangs hard (~ 50% of the time) when stopping Xorg during system
reboot
- the system sometimes hangs hard during suspend to RAM
These problems are not reproducible with the commit above reverted.
Below is the information about the graphics adapter from lspci.
Rafael
01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon
HD 3200 Graphics] (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 029e
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at a0000000 (32-bit, prefetchable) [size=256M]
Region 1: I/O ports at 9000 [size=256]
Region 2: Memory at 9fdf0000 (32-bit, non-prefetchable) [size=64K]
Region 5: Memory at 9fe00000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at <unassigned> [disabled]
Capabilities: [50] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Kernel driver in use: radeon
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