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This because you are using the fbdev and not the hw acceleration.
The issue is on the radeon firmware and kernel not on debian. On my Quad G5 i fixed using dual gpu where the radeon is on the 8x slot and not on 16x.
I have all accelerated my gpu is the 6570 HD 2GB.
here the video
Ciao
Luigi
Da: Bertrand <bertrand.dekoninck@gmail.com>
Inviato: giovedì 26 dicembre 2019 16:38 A: debian-powerpc@lists.debian.org <debian-powerpc@lists.debian.org> Oggetto: Radeon forced to pci-mode. Hi,
as I said previously, Mate is sluggish on my fresh install on sid-ppc64 and a G5. The menus are slow, some scrollings are painfull in some apps (thunderbird or smooth-scrolling in firefox for instance, most gtk3 apps). I've found this in dmesg : [ 4.136564] [drm] initializing kernel modesetting (RV350 0x1002:0x4150 0x1002:0x4150 0x00). [ 4.136634] [drm] Forcing AGP to PCI mode Then I've put this option in /etc/default/grub GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="radeon.agpmode=4" GRUB_CMDLINE_LINUX="" and did 'sudo update-grub" . Now at least I see that AGP4 mode is requested in boot message, but I'm still in PCI mode. See the following lines from dmesg (I've elipsized some quotes which I mark with "[...]") : [ 1.222313] vgaarb: loaded [...] [ 2.974441] Using unsupported 1280x1024 (null) at 98008000, depth=8, pitch=1280 [ 2.999882] Console: switching to colour frame buffer device 160x64 [ 3.025026] fb0: Open Firmware frame buffer device on /pci@0,f0000000/ATY,PitonParent@10/ATY,Piton_A@0 [ 3.025415] Using unsupported 800x600 (null) at 9c008000, depth=8, pitch=1024 [ 3.025644] checking generic (98008000 140000) vs hw (9c008000 96000) [ 3.025792] fb1: Open Firmware frame buffer device on /pci@0,f0000000/ATY,PitonParent@10/ATY,Piton_B@1 [ 3.026210] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 3.027138] pmac_zilog: 0.6 (Benjamin Herrenschmidt <benh@kernel.crashing.org>) [ 3.027503] Non-volatile memory driver v1.3 [ 3.027629] Linux agpgart interface v0.103 [ 3.027778] agpgart-uninorth 0000:f0:0b.0: Apple U3H chipset [ 3.033166] agpgart-uninorth 0000:f0:0b.0: configuring for size idx: 64 [ 3.033518] agpgart-uninorth 0000:f0:0b.0: AGP aperture is 256M @ 0x0 [...] [ 4.058562] radeon 0000:f0:10.0: remove_conflicting_pci_framebuffers: bar 0: 0x98000000 -> 0x9fffffff [ 4.067206] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.03 [ 4.075810] radeon 0000:f0:10.0: remove_conflicting_pci_framebuffers: bar 2: 0x90000000 -> 0x9000ffff [ 4.075814] checking generic (98008000 140000) vs hw (98000000 8000000) [ 4.084799] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.093976] fb0: switching to radeondrmfb from OFfb ATY,Piton_ [ 4.103120] usb usb1: Product: EHCI Host Controller [ 4.121269] usb usb1: Manufacturer: Linux 5.3.0-3-powerpc64 ehci_hcd [ 4.121272] usb usb1: SerialNumber: 0001:05:0b.2 [ 4.121441] Console: switching to colour dummy device 80x25 [ 4.121743] checking generic (9c008000 96000) vs hw (98000000 8000000) [ 4.121745] fb1: switching to radeondrmfb from OFfb ATY,Piton_ [ 4.122061] radeon 0000:f0:10.0: vgaarb: deactivate vga console [ 4.122243] radeon 0000:f0:10.0: enabling device (0006 -> 0007) [ 4.122587] [drm] initializing kernel modesetting (RV350 0x1002:0x4150 0x1002:0x4150 0x00). [ 4.122803] radeon 0000:f0:10.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff [...] [ 4.228451] [drm] Not an x86 BIOS ROM, not using. [ 4.228527] [drm] Using device-tree clock info [ 4.228541] [drm] AGP mode requested: 4 [ 4.228569] agpgart-uninorth 0000:f0:0b.0: putting AGP V3 device into 4x mode [ 4.228582] radeon 0000:f0:10.0: putting AGP V3 device into 4x mode [ 4.228664] radeon 0000:f0:10.0: GTT: 256M 0x00000000 - 0x0FFFFFFF [ 4.228671] [drm] Generation 2 PCI interface, using max accessible memory [ 4.228681] radeon 0000:f0:10.0: VRAM: 128M 0x0000000098000000 - 0x000000009FFFFFFF (128M used) [ 4.228757] [drm] Detected VRAM RAM=128M, BAR=128M [ 4.228762] [drm] RAM width 128bits DDR [ 4.228947] [TTM] Zone kernel: Available graphics memory: 1003744 KiB [ 4.228957] [TTM] Initializing pool allocator [ 4.228971] [TTM] Initializing DMA pool allocator [ 4.229090] [drm] radeon: 128M of VRAM memory ready [ 4.229097] [drm] radeon: 256M of GTT memory ready. [ 4.229210] [drm] radeon: 1 quad pipes, 1 Z pipes initialized [ 4.232377] radeon 0000:f0:10.0: WB disabled [ 4.232404] radeon 0000:f0:10.0: fence driver on ring 0 use gpu addr 0x0000000000000000 and cpu addr 0x(____ptrval____) [ 4.232420] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 4.232426] [drm] Driver supports precise vblank timestamp query. [ 4.232474] [drm] radeon: irq initialized. [ 4.232508] [drm] Loading R300 Microcode [ 4.232608] radeon 0000:f0:10.0: firmware: direct-loading firmware radeon/R300_cp.bin [ 4.232773] [drm] radeon: ring at 0x0000000000010000 [...] [ 4.380999] [drm:.r100_ring_test [radeon]] *ERROR* radeon: ring test failed (scratch(0x15E4)=0xCAFEDEAD) [ 4.381101] [drm:.r100_cp_init [radeon]] *ERROR* radeon: cp isn't working (-22). [ 4.381111] radeon 0000:f0:10.0: failed initializing CP (-22). [ 4.381118] radeon 0000:f0:10.0: Disabling GPU acceleration [...] [ 4.528393] [drm:.r100_cp_fini [radeon]] *ERROR* Wait for CP idle timeout, shutting down CP. [ 4.675601] Failed to wait GUI idle while programming pipes. Bad things might happen. [ 4.679752] [drm] radeon: cp finalized [ 4.679890] radeon 0000:f0:10.0: (r300_asic_reset:428) RBBM_STATUS=0x80010140 [ 5.179885] radeon 0000:f0:10.0: (r300_asic_reset:447) RBBM_STATUS=0x80010140 [ 5.675886] radeon 0000:f0:10.0: (r300_asic_reset:459) RBBM_STATUS=0x00000140 [ 5.675920] radeon 0000:f0:10.0: GPU reset succeed [ 5.675986] [drm] radeon: cp finalized [ 5.676106] [TTM] Finalizing pool allocator [ 5.676127] [TTM] Finalizing DMA pool allocator [ 5.676270] [TTM] Zone kernel: Used memory at exit: 0 KiB [ 5.676291] [drm] radeon: ttm finalized [ 5.676298] [drm] Forcing AGP to PCI mode [ 5.676350] radeon 0000:f0:10.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff [ 5.735347] usb 4-1: new full-speed USB device number 2 using ohci-pci [ 5.781960] [drm] Not an x86 BIOS ROM, not using. [ 5.781995] [drm] Using device-tree clock info [ 5.782003] [drm] Generation 2 PCI interface, using max accessible memory [ 5.782018] radeon 0000:f0:10.0: VRAM: 128M 0x0000000098000000 - 0x000000009FFFFFFF (128M used) [ 5.782026] radeon 0000:f0:10.0: GTT: 512M 0x0000000078000000 - 0x0000000097FFFFFF [ 5.782036] [drm] Detected VRAM RAM=128M, BAR=128M [ 5.782041] [drm] RAM width 128bits DDR [ 5.782221] [TTM] Zone kernel: Available graphics memory: 1003744 KiB [ 5.782230] [TTM] Initializing pool allocator [ 5.782244] [TTM] Initializing DMA pool allocator [ 5.782306] [drm] radeon: 128M of VRAM memory ready [ 5.782312] [drm] radeon: 512M of GTT memory ready. [ 5.782358] [drm] GART: num cpu pages 8192, num gpu pages 131072 [ 5.784150] [drm] radeon: 1 quad pipes, 1 Z pipes initialized [ 5.784171] [drm] PCI GART of 512M enabled (table at 0x0000000060180000). [ 5.784270] radeon 0000:f0:10.0: WB enabled [ 5.784280] radeon 0000:f0:10.0: fence driver on ring 0 use gpu addr 0x0000000078000000 and cpu addr 0x(____ptrval____) [ 5.784293] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 5.784299] [drm] Driver supports precise vblank timestamp query. [ 5.784339] [drm] radeon: irq initialized. [ 5.784505] [drm] radeon: ring at 0x0000000078010000 [ 5.784541] [drm] ring test succeeded in 1 usecs [ 5.784726] [drm] ib test succeeded in 0 usecs [ 5.785747] [drm] Connector Table: 12 (mac g5 9600) [ 5.785810] [drm] No valid Ext TMDS info found in BIOS [ 5.785821] [drm] No TV DAC info found in BIOS [ 5.786305] [drm] No TMDS info found in BIOS [ 5.787174] [drm] Radeon Display Connectors [ 5.787187] [drm] Connector 0: [ 5.787191] [drm] DVI-I-1 [ 5.787195] [drm] HPD1 [ 5.787200] [drm] DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64 [ 5.787207] [drm] Encoders: [ 5.787212] [drm] DFP2: INTERNAL_DVO1 [ 5.787216] [drm] CRT2: INTERNAL_DAC2 [ 5.787220] [drm] Connector 1: [ 5.787224] [drm] DVI-I-2 [ 5.787228] [drm] HPD2 [ 5.787232] [drm] DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60 [ 5.787237] [drm] Encoders: [ 5.787241] [drm] DFP1: INTERNAL_TMDS1 [ 5.787245] [drm] CRT1: INTERNAL_DAC1 [ 5.787250] [drm] Connector 2: [ 5.787253] [drm] SVIDEO-1 [ 5.787257] [drm] Encoders: [ 5.787261] [drm] TV1: INTERNAL_DAC2 [ 5.794421] ata4: SATA link down (SStatus 4 SControl 300) [ 5.856996] [drm] fb mappable at 0x98040000 [ 5.857010] [drm] vram apper at 0x98000000 [ 5.857014] [drm] size 5242880 [ 5.857018] [drm] fb depth is 24 [ 5.857022] [drm] pitch is 5120 [ 5.957564] Console: switching to colour frame buffer device 128x48 [ 5.974345] radeon 0000:f0:10.0: fb0: radeondrmfb frame buffer device [ 5.991387] [drm] Initialized radeon 2.50.0 20080528 for 0000:f0:10.0 on minor 0 |