On Monday, September 17, 2012 03:16:56 PM Deucher, Alexander wrote: > > -----Original Message----- > > From: Andres Freund [mailto:andres@xxxxxxxxxxx] > > Sent: Monday, September 17, 2012 7:29 AM > > To: LKML; Deucher, Alexander; David Airlie; > > dri-devel@xxxxxxxxxxxxxxxxxxxxx Subject: radeon: Regression between > > v3.6-rc4 and v3.6-rc6: unable to allocate a PPLL > > > > Hi, > > > > While debugging another issue I upgraded from v3.6-rc4 to latest git > > (which exactly is v3.6-rc6). After X started up one of my three monitors > > blacked out. A look into the kernel log revealed: > > [drm:radeon_atom_pick_pll] *ERROR* unable to allocate a PPLL > > What 3 monitors are you using (DVI, HDMI, DP, VGA)? Note that there are > only 2 PLLs for non-DP monitors, so if you are trying to use more than 2 > non-DP monitors, it's not supported right now and if it worked before, it > was random luck. If you want to use 3+ monitors, only 2 can be non-DP, > the rest need to be DP. If you use a DP to DVI/HDMI adapter, it must be > active (looks like DP to the GPU), passive adapters just pass through > native DVI/HDMI. That said, I've got a set of patches for 3.7 to allow > PLL sharing properly for non-DP displays, but it's too invasive for > -fixes. 2DVI, 1DP via an supposedly active converter. I can try a native DP cable, its just too short, so I will have to move the monitor to the ground ;) Can I check its really an active connector? The patchset you referenced is in alexdeucher/drm-next-3.7-wip if I saw that correctly? Will test it with a passive connector I have lying arround. The only somewhat relevant thing in the log seems to be [ 2.011401] [drm] ring test on 0 succeeded in 3 usecs [ 2.011897] [drm] ib test on ring 0 succeeded in 0 usecs [ 2.012596] [drm] Radeon Display Connectors [ 2.012784] [drm] Connector 0: [ 2.012972] [drm] DP-1 [ 2.013157] [drm] HPD4 [ 2.013340] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 2.013608] [drm] Encoders: [ 2.013787] [drm] DFP1: INTERNAL_UNIPHY2 [ 2.013978] [drm] Connector 1: [ 2.014163] [drm] HDMI-A-1 [ 2.014346] [drm] HPD3 [ 2.014548] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 2.014816] [drm] Encoders: [ 2.015005] [drm] DFP2: INTERNAL_UNIPHY2 [ 2.015194] [drm] Connector 2: [ 2.015376] [drm] DVI-D-1 [ 2.015561] [drm] HPD1 [ 2.015745] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c [ 2.016015] [drm] Encoders: [ 2.016203] [drm] DFP3: INTERNAL_UNIPHY1 [ 2.016389] [drm] Connector 3: [ 2.016574] [drm] DVI-I-1 [ 2.016759] [drm] HPD6 [ 2.016942] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c [ 2.017214] [drm] Encoders: [ 2.017401] [drm] DFP4: INTERNAL_UNIPHY xrand doesn't seem to have anything relevant: $ xrandr --verbose|grep -E 'Screen|connected|CRTC' Screen 0: minimum 320 x 200, current 4960 x 1920, maximum 16384 x 16384 DVI-1 connected 2560x1600+1200+0 (0x59) normal (normal left inverted right x axis y axis) 641mm x 401mm CRTC: 0 CRTCs: 1 2 0 3 4 5 DisplayPort-0 connected 1200x1920+0+0 (0x60) left (normal left inverted right x axis y axis) 518mm x 324mm CRTC: 1 CRTCs: 1 2 0 3 4 5 HDMI-0 disconnected (normal left inverted right x axis y axis) CRTCs: 1 2 0 3 4 5 DVI-0 connected 1200x1920+3760+0 (0x60) left (normal left inverted right x axis y axis) 518mm x 324mm CRTC: 2 CRTCs: 1 2 0 3 4 5 Greetings, Andres _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
