> [drm] Radeon Display Connectors > [drm] Connector 0: > [drm] VGA-1 > [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c > [drm] Encoders: > [drm] CRT1: INTERNAL_KLDSCP_DAC1 > [drm] Connector 1: > [drm] DVI-D-1 > [drm] HPD3 > [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c > [drm] Encoders: > [drm] DFP3: INTERNAL_KLDSCP_LVTMA Your board has a DVI-D port (not DVI-I) so there are no analog pins connected on the DVI port. It's digital only. You can't use a DVI to VGA convertor on DVI-D, it will only work on DVI-I ports. Alex On Mon, Mar 23, 2015 at 11:54 AM, B模式// <377953829@xxxxxx> wrote: > > > > ------------------ 原始邮件 ------------------ > > Jesse > > On 03/21/2015 12:46 AM, Bģʽ// wrote: >> - hi Barnes： >> the kernel driver is failing to get the EDID from the DVI attached >> monitor . I print the drm_get_edid() function ret val on two different >> kernel versionn >> 2.6.32-131 and 2.6.32-358(this version kernel can work normally) ，i >> find the ret val >> is different ,and i think EDID should be same for one monitor. the log >> on different kernel version >> as shown blow : >> ================================================================= >> this is 2.6.32-131 kernel driver log about DRM： >> [drm] Initialized drm 1.1.0 20060810 >> [drm] radeon defaulting to kernel modesetting. >> [drm] radeon kernel modesetting enabled. >> NUM[.1.] [drm_pci_init]... >> PCI: Setting latency timer of device 0000:01:05.0 to 64 >> [drm] initializing kernel modesetting (RS780 0x1002:0x9615). >> -->swiotlb_dma_supported(0x872fffff, 0xffffffffff) >> [drm] rdev->need_dma32: 0 >> [drm] register mmio base: 0x48000000 >> [drm] register mmio size: 65536 >> ATOM BIOS: 113 >> radeon 0000:01:05.0: VRAM: 128M 0x0000000040000000 - 0x0000000047FFFFFF >> (128M used) >> radeon 0000:01:05.0: GTT: 512M 0x0000000048000000 - 0x0000000067FFFFFF >> [drm:rs690_pm_info] *ERROR* No integrated system info for your GPU, >> using safe default >> [drm:radeon_atombios_sideport_present] *ERROR* Unsupported IGP table: 1 4 >> [drm] Detected VRAM RAM=128M, BAR=128M >> [drm] RAM width 32bits DDR >> [TTM] Zone kernel: Available graphics memory: 2017416 kiB. >> [TTM] Initializing pool allocator. >> [drm] radeon: 128M of VRAM memory ready >> [drm] radeon: 512M of GTT memory ready. >> [drm] radeon: irq initialized. >> [drm] GART: num cpu pages 32768, num gpu pages 131072 >> [drm] Loading RS780 Microcode >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/RS780_pfp.bin >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/RS780_me.bin >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/R600_rlc.bin >> radeon 0000:01:05.0: WB enabled >> [drm] ring test succeeded in 0 usecs >> [drm] radeon: ib pool ready. >> [drm] ib test succeeded in 0 usecs >> [drm] Enabling audio support >> [drm] Radeon Display Connectors >> [drm] Connector 0: >> [drm] VGA >> [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c >> [drm] Encoders: >> [drm] CRT1: INTERNAL_KLDSCP_DAC1 >> [drm] Connector 1: >> [drm] DVI-D >> [drm] HPD3 >> [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c >> [drm] Encoders: >> [drm] DFP3: INTERNAL_KLDSCP_LVTMA >> [drm-cs] drm_get_edid() func .. edid=980000017e8e5a00 >> [drm-cs] drm_get_edid() func .. edid=980000017e86ac80 >> [drm-cs] drm_get_edid() func .. edid=980000017e8e5a00 >> [drm] -->> timing->pixel_clock= 14850 >> [drm] cs---->>>mode->type=64 >> cs->> mode->clock=148500 >> cs->> mode->hdisplay=1920 >> cs->> mode->hsync_start=2008 >> cs->> mode->hsync_end=2052 >> cs->> mode->htotal=2200 >> cs->> mode->vdisplay=1080 >> cs->> mode->vsync_start=1084 >> cs->> mode->vsync_end=1089 >> cs->> mode->vtotal=1125 >> [drm] drm_mode_set_name func ... >> [drm] -->> timing->pixel_clock= 0 >> [drm] -->> timing->pixel_clock= 0 >> [drm] -->> timing->pixel_clock= 0 >> [drm] drm_mode_set_name func ... >> [drm-cs] drm_get_edid() func .. edid=980000017e869a80 >> [drm] -->> timing->pixel_clock= 10650 >> [drm] cs---->>>mode->type=64 >> cs->> mode->clock=106500 >> cs->> mode->hdisplay=1440 >> cs->> mode->hsync_start=1520 >> cs->> mode->hsync_end=1672 >> cs->> mode->htotal=1904 >> cs->> mode->vdisplay=900 >> cs->> mode->vsync_start=903 >> cs->> mode->vsync_end=909 >> cs->> mode->vtotal=934 >> [drm] drm_mode_set_name func ... >> [drm] -->> timing->pixel_clock= 0 >> [drm] -->> timing->pixel_clock= 0 >> [drm] -->> timing->pixel_clock= 0 >> [drm] -->> timing->pixel_clock= 7425 >> [drm] cs---->>>mode->type=64 >> cs->> mode->clock=74250 >> cs->> mode->hdisplay=1920 >> cs->> mode->hsync_start=2448 >> cs->> mode->hsync_end=2492 >> cs->> mode->htotal=2640 >> cs->> mode->vdisplay=540 >> cs->> mode->vsync_start=542 >> cs->> mode->vsync_end=547 >> cs->> mode->vtotal=562 >> [drm] drm_mode_set_name func ... >> [drm] fb mappable at 0x40144000 >> [drm] vram apper at 0x40000000 >> [drm] size 4161536 >> [drm] fb depth is 16 >> [drm] pitch is 3840 >> Console: switching to colour frame buffer device 180x56 >> fb0: radeondrmfb frame buffer device >> drm: registered panic notifier >> >> ================================================================================ >> >> ### >> this is 2.6.32-358 kernel driver log about DRM，there is some log more >> info： >> >> ================================================================================ >> [drm] Initialized drm 1.1.0 20060810 >> [drm] radeon defaulting to kernel modesetting. >> [drm] radeon kernel modesetting enabled. >> [drm] initializing kernel modesetting (RS780 0x1002:0x9615 0x1002:0x0000). >> -->swiotlb_dma_supported(0x8855bfff, 0xffffffffff) >> -->swiotlb_dma_supported(0x8855bfff, 0xffffffffff) >> [drm] register mmio base: 0x48000000 >> [drm] register mmio size: 65536 >> ATOM BIOS: 113 >> radeon 0000:01:05.0: VRAM: 128M 0x0000000040000000 - 0x0000000047FFFFFF >> (128M used) >> radeon 0000:01:05.0: GTT: 512M 0x0000000048000000 - 0x0000000067FFFFFF >> [drm:rs690_pm_info] *ERROR* No integrated system info for your GPU, >> using safe default >> [drm:radeon_atombios_sideport_present] *ERROR* Unsupported IGP table: 1 4 >> [drm] Detected VRAM RAM=128M, BAR=128M >> [drm] RAM width 32bits DDR >> [TTM] Zone kernel: Available graphics memory: 2008016 kiB >> [TTM] Initializing pool allocator >> [TTM] Initializing DMA pool allocator >> [drm] radeon: 128M of VRAM memory ready >> [drm] radeon: 512M of GTT memory ready. >> [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). >> [drm] Driver supports precise vblank timestamp query. >> [drm] radeon: irq initialized. >> [drm] GART: num cpu pages 32768, num gpu pages 131072 >> [drm] Loading RS780 Microcode >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/RS780_pfp.bin >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/RS780_me.bin >> platform radeon_cp.0: firmware: using built-in firmware >> radeon/R600_rlc.bin >> [drm] PCIE GART of 512M enabled (table at 0x0000000040040000). >> radeon 0000:01:05.0: WB enabled >> radeon 0000:01:05.0: fence driver on ring 0 use gpu addr >> 0x0000000048000c00 and cpu addr 0x980000017fd48c00 >> PCI: Setting latency timer of device 0000:01:05.0 to 64 >> [drm] ring test on 0 succeeded in 0 usecs >> [drm] ib test on ring 0 succeeded in 0 usecs >> [drm] Radeon Display Connectors >> [drm] Connector 0: >> [drm] VGA-1 >> [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c >> [drm] Encoders: >> [drm] CRT1: INTERNAL_KLDSCP_DAC1 >> [drm] Connector 1: >> [drm] DVI-D-1 >> [drm] HPD3 >> [drm] DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c >> [drm] Encoders: >> [drm] DFP3: INTERNAL_KLDSCP_LVTMA >> [drm] Try to fetch EDID information by calling i2c driver function. >> drm_do_probe_ddc_edid().. >> [drm] Try to fetch EDID information by calling i2c driver function. >> drm_do_probe_ddc_edid().. >> [drm] drm_get_edid() func .. edid=980000017fd3dc00 >> [drm--lonxin] -->> timing->pixel_clock= 14850 >> [drm--loongson]-->>>mode->clock=148500 >> [drm--loongson]-->>>mode->display=1920 >> [drm-loongson]-->>>mode->vdisplay=1080 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm] Try to fetch EDID information by calling i2c driver function. >> drm_do_probe_ddc_edid().. >> [drm] Try to fetch EDID information by calling i2c driver function. >> drm_do_probe_ddc_edid().. >> [drm] Try to fetch EDID information by calling i2c driver function. >> drm_do_probe_ddc_edid().. >> [drm] drm_get_edid() func .. edid=980000017f953280 >> [drm--lonxin] -->> timing->pixel_clock= 10650 >> [drm--loongson]-->>>mode->clock=106500 >> [drm--loongson]-->>>mode->display=1440 >> [drm-loongson]-->>>mode->vdisplay=900 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm--lonxin] -->> timing->pixel_clock= 0 >> [drm--lonxin] -->> timing->pixel_clock= 7425 >> [drm--loongson]-->>>mode->clock=74250 >> [drm--loongson]-->>>mode->display=1920 >> [drm-loongson]-->>>mode->vdisplay=540 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 7425 >> [drm--loongson]-->>>mode->clock=74250 >> [drm--loongson]-->>>mode->display=1920 >> [drm-loongson]-->>>mode->vdisplay=540 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 7425 >> [drm--loongson]-->>>mode->clock=74250 >> [drm--loongson]-->>>mode->display=1280 >> [drm-loongson]-->>>mode->vdisplay=720 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 2700 >> [drm--loongson]-->>>mode->clock=27000 >> [drm--loongson]-->>>mode->display=720 >> [drm-loongson]-->>>mode->vdisplay=576 >> [drm]--->>>mode->type=64 >> [drm--lonxin] -->> timing->pixel_clock= 2700 >> [drm--loongson]-->>>mode->clock=27000 >> [drm--loongson]-->>>mode->display=720 >> [drm-loongson]-->>>mode->vdisplay=480 >> [drm]--->>>mode->type=64 >> [drm] fb mappable at 0x40148000 >> [drm] vram apper at 0x40000000 >> [drm] size 8306688 >> [drm] fb depth is 24 >> [drm] pitch is 7680 >> Console: switching to colour frame buffer device 180x56 >> fb0: radeondrmfb frame buffer device >> drm: registered panic notifier >> >> ===================================================================================== >> and i wanna know if there is some thing wrong ,if the problem is here >> ,how can i solve on kernel 2.6.32-131 >> >> Thanks, >> xiezhongtian >> >> >> >> ------------------ 原始邮件 ------------------ >> *发件人:* "jesse.barnes"<jesse.barnes@xxxxxxxxx>; >> *发送时间:* 2015年3月21日(星期六) 凌晨3:45 >> *收件人:* "B模式//"<377953829@xxxxxx>; >> *主题:* Re: DVI to VGA convertor cause a problem， >> >> On 03/20/2015 12:25 AM, B模式// wrote: >>> hi ，Barnes： >>> now, i met a problem about DVI on kernel-2.6.32-131, Now >>> situation is like that, I have two monitors.Demand is through two vga >>> devices to connect to the monitor. but you know, i have a vga and dvi >>> output , so i use a DVI to VGA convertor ,But after the converter >>> display not lit up. >>> Because some other development is based on this version of the kernel, >>> so only on the kernel version development. >> >> There could be a few things going on: >> - DVI adapter isn't a DVI-I adapter, which includes the VGA interface >> - the DVI port doesn't support DVI-I >> - the kernel driver is failing to get the EDID from the DVI attached >> monitor >> and possibly other bugs. >> >> Can you file a bug at bugs.freedesktop.org if you don't figure things >> out? You can use >> https://01.org/linuxgraphics/documentation/how-report-bugs >> <https://01.org/linuxgraphics/documentation/how-report-bugs> to help you >> collect the info we need. >> >> Thanks, >> Jesse > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
