Hi, On Monday, September 17, 2012 04:24:08 PM Deucher, Alexander wrote: > > On Monday, September 17, 2012 03:16:56 PM Deucher, Alexander wrote: > > > > 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? > > Try the attached debugging patch. It will tell us what PPLLs are getting > allocated and what type of sink we detect on the DP port (DP or non-DP) [ 1.844382] [drm] Initialized drm 1.1.0 20060810 [ 1.867560] [drm] radeon defaulting to kernel modesetting. [ 1.890474] [drm] radeon kernel modesetting enabled. [ 1.913006] fb: conflicting fb hw usage radeondrmfb vs VGA16 VGA - removing generic driver [ 1.981793] [drm] initializing kernel modesetting (BARTS 0x1002:0x6738 0x174B:0x174B). [ 1.982323] [drm] register mmio base: 0xFBEC0000 [ 1.982522] [drm] register mmio size: 131072 [ 1.983880] [drm] Detected VRAM RAM=1024M, BAR=256M [ 1.984072] [drm] RAM width 256bits DDR [ 1.985141] [drm] radeon: 1024M of VRAM memory ready [ 1.985345] [drm] radeon: 512M of GTT memory ready. [ 1.985575] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 1.985779] [drm] Driver supports precise vblank timestamp query. [ 1.986252] [drm] radeon: irq initialized. [ 1.986454] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 1.987226] [drm] probing gen 2 caps for device 8086:340a = 2/0 [ 1.987426] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [ 1.987930] [drm] Loading BARTS Microcode [ 1.990807] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000). [ 2.008503] [drm] ring test on 0 succeeded in 3 usecs [ 2.009029] [drm] ib test on ring 0 succeeded in 0 usecs [ 2.009728] [drm] Radeon Display Connectors [ 2.009914] [drm] Connector 0: [ 2.010103] [drm] DP-1 [ 2.010283] [drm] HPD4 [ 2.010464] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 2.010734] [drm] Encoders: [ 2.010921] [drm] DFP1: INTERNAL_UNIPHY2 [ 2.011112] [drm] Connector 1: [ 2.011295] [drm] HDMI-A-1 [ 2.011478] [drm] HPD3 [ 2.011662] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 2.011932] [drm] Encoders: [ 2.012119] [drm] DFP2: INTERNAL_UNIPHY2 [ 2.012324] [drm] Connector 2: [ 2.012512] [drm] DVI-D-1 [ 2.012695] [drm] HPD1 [ 2.012881] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c [ 2.013152] [drm] Encoders: [ 2.013340] [drm] DFP3: INTERNAL_UNIPHY1 [ 2.013528] [drm] Connector 3: [ 2.013712] [drm] DVI-I-1 [ 2.013898] [drm] HPD6 [ 2.014082] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c [ 2.014352] [drm] Encoders: [ 2.014538] [drm] DFP4: INTERNAL_UNIPHY [ 2.014724] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 2.015014] [drm] Internal thermal controller with fan control [ 2.016370] [drm] radeon: power management initialized [ 2.022137] [drm] DP sink type 0x13 [ 2.133666] [drm] fb mappable at 0xD0142000 [ 2.133793] [drm] vram apper at 0xD0000000 [ 2.133919] [drm] size 16384000 [ 2.134044] [drm] fb depth is 24 [ 2.134170] [drm] pitch is 10240 [ 2.134358] fbcon: radeondrmfb (fb0) is primary device [ 2.134901] [drm] crtc 0 using pll 0x2 [ 2.362257] [drm] crtc 1 using pll 0x1 [ 2.386709] [drm] crtc 2 using pll 0x0 [ 2.472275] fb0: radeondrmfb frame buffer device [ 2.472300] drm: registered panic notifier [ 2.472325] [drm] Initialized radeon 2.22.0 20080528 for 0000:08:00.0 on minor 0 [ 60.056358] [drm] DP sink type 0x13 [ 60.205905] [drm] DP sink type 0x13 [ 60.679305] [drm:radeon_atom_pick_pll] *ERROR* unable to allocate a PPLL [ 60.679310] [drm] crtc 0 using pll 0xff [ 60.789183] [drm] crtc 1 using pll 0x2 [ 60.819594] [drm] crtc 2 using pll 0x1 [ 61.926401] [drm] DP sink type 0x13 [ 73.022055] [drm] DP sink type 0x13 [ 73.567827] [drm] DP sink type 0x13 [ 2654.041357] [drm] crtc 0 using pll 0x2 [ 2654.146105] [drm] crtc 1 using pll 0x0 [ 2654.193906] [drm] crtc 2 using pll 0x1 [ 2699.743567] [drm] DP sink type 0x13 [ 2699.892998] [drm] DP sink type 0x13 [ 2699.982947] [drm:radeon_atom_pick_pll] *ERROR* unable to allocate a PPLL [ 2699.982950] [drm] crtc 0 using pll 0xff [ 2700.104885] [drm] crtc 1 using pll 0x2 [ 2700.150563] [drm] crtc 2 using pll 0x1 [ 2700.289148] [drm] DP sink type 0x13 [ 2700.785181] [drm] DP sink type 0x13 [ 2730.400834] [drm] crtc 0 using pll 0x2 [ 2730.448034] [drm] crtc 1 using pll 0x0 [ 2730.490630] [drm] crtc 2 using pll 0x1 [ 2737.092937] [drm] DP sink type 0x13 [ 2737.242505] [drm] DP sink type 0x13 [ 2737.331883] [drm:radeon_atom_pick_pll] *ERROR* unable to allocate a PPLL [ 2737.331886] [drm] crtc 0 using pll 0xff [ 2737.453714] [drm] crtc 1 using pll 0x2 [ 2737.509907] [drm] crtc 2 using pll 0x1 [ 2737.645287] [drm] DP sink type 0x13 [ 2738.207736] [drm] DP sink type 0x13 [ 2763.766354] [drm] DP sink type 0x13 [ 2763.882633] [drm] DP sink type 0x13 [ 2764.118995] [drm] crtc 0 using pll 0x2 [ 2764.223623] [drm] crtc 1 using pll 0x0 [ 2764.273047] [drm] crtc 2 using pll 0x1 [ 2767.566733] [drm] DP sink type 0x13 > > 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. > > Yes. Note that PLLs can only be shared for non-DP monitors if the clocks > are the same. That should be fine, two of the three monitors are the same. Greetings, Andres _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
