From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 26399] New: [2.6.33-rc6 + drm-linus] RV635 desktop mobile - KMS
	causes screen to go blank for good
Date: Tue,  2 Feb 2010 14:14:25 -0800 (PST)
Message-ID: <bug-26399-502@http.bugs.freedesktop.org/>
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http://bugs.freedesktop.org/show_bug.cgi?id=26399

           Summary: [2.6.33-rc6 + drm-linus] RV635 desktop mobile - KMS
                    causes screen to go blank for good
           Product: DRI
           Version: XOrg CVS
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: shawn.starr@rogers.com


If I enable KMS, the display goes blank and does not come back. I can SSH into
the machine however. I do have this computer hooked up to a KVM switch. I was
watching the machine boot up on the screen and as soon as it switches into KMS
it went blank.

KVM Switch is a 4 port StarView VGA connector only, the radon card has only DVI
connectors so I use a VGA-to-DVI converter connector.

pci information of the card:

05:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3600
Series (prog-if 00 [VGA controller])                                            
        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 32                                       
        Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]         
        Region 2: Memory at fe8e0000 (64-bit, non-prefetchable) [size=64K]      
        Region 4: I/O ports at d000 [size=256]                                  
        Expansion ROM at fe8c0000 [disabled] [size=128K]                        
        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: [58] Express (v2) Legacy Endpoint, MSI 00                 
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1
unlimited               
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-         
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-                      
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+            
                        MaxPayload 128 bytes, MaxReadReq 128 bytes              
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-                     
                LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency
L0 <64ns, L1 <1us       
                        ClockPM- Surprise- LLActRep- BwNot-                     
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ 
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-          
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-     
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-         
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-          
                LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
SpeedDis-, Selectable De-emphasis: -6dB                                         
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-                                         
                         Compliance De-emphasis: -6dB                           
                LnkSta2: Current De-emphasis Level: -6dB                        
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+              
                Address: 00000000fee0f00c  Data: 41c1                           
        Capabilities: [100] Vendor Specific Information <?>                     
        Kernel driver in use: radeon                                            

05:00.1 Audio device: ATI Technologies Inc RV635 Audio device [Radeon HD 3600
Series]
        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 B routed to IRQ 31                                       
        Region 0: Memory at fe8fc000 (64-bit, non-prefetchable) [size=16K]      
        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: [58] Express (v2) Legacy Endpoint, MSI 00                 
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1
unlimited               
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-         
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-                      
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+            
                        MaxPayload 128 bytes, MaxReadReq 128 bytes              
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-                     
                LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency
L0 <64ns, L1 <1us       
                        ClockPM- Surprise- LLActRep- BwNot-                     
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- 
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-          
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-     
                DevCap2: Completion Timeout: Not Supported, TimeoutDis-         
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-          
                LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
SpeedDis-, Selectable De-emphasis: -6dB
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -6dB
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee0f00c  Data: 41b9
        Capabilities: [100] Vendor Specific Information <?>
        Kernel driver in use: HDA Intel


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