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3840x2160@60Hz with HD Graphics P530 via DP 1.2

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Lado Kumsiashvili's picture
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Lado Kumsiashvili

Mar 30, 2016 - 12:16am

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    Lado Kumsiashvili's picture
    Lado Kumsiashvili

    Hello. I own a Dell Notebook

     

    Dell Inc. Precision 7510/0YH43H, BIOS 1.4.8 03/15/2016

     

    running with gentoo linux and latest available Intel driver and firmwares and Kernel 4.5

     

    It has a  

     

    Intel(R) Xeon(R) CPU E3-1535M v5 @ 2.90GHz (with HD Graphics P530 and Optimus technology)

     

    I can not connect en external  Monitor with 3840x2160@60Hz (Asus XB280HK bprz, with DP and 60Hz)

    When I connect my devie to this monitor, I get only  1024x768 @ 60.00. (When I enable Nvidia Only in BIOS then the resolution works just fine. A 2560 x whatever Dell monitor works also)

     

    xrands shows then

     

    Screen 0: minimum 8 x 8, current 4864 x 2160, maximum 32767 x 32767
eDP1 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 346mm x 194mm
   3840x2160     60.00*+  48.02  
   3200x1800     60.00  
   2880x1620     60.00  
   2560x1440     60.00  
   2048x1536     60.00  
   1920x1440     60.00  
   1856x1392     60.01  
   1792x1344     60.01  
   2048x1152     60.00  
   1920x1080     60.00  
   1600x1200     60.00  
   1400x1050     59.98  
   1600x900      60.00  
   1280x1024     60.02  
   1280x960      60.00  
   1368x768      60.00  
   1280x720      60.00  
   1024x768      60.00  
   1024x576      60.00  
   960x540       60.00  
   800x600       60.32    56.25  
   864x486       60.00  
   640x480       59.94  
   720x405       60.00  
   640x360       60.00  
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 connected 1024x768+3840+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768      60.00* 
   800x600       60.32    56.25  
   848x480       60.00  
   640x480       59.94  
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

    Dmesg shows

     

    [  912.612286] WARNING: CPU: 0 PID: 4174 at drivers/gpu/drm/i915/intel_display.c:13905 skl_max_scale.part.96+0x67/0x70 [i915]()
[  912.612287] WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)
[  912.612288] Modules linked in:
[  912.612289]  hidp rfcomm ctr ccm cmac ecb ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 fuse nf_nat br_netfilter bridge stp llc bnep snd_hda_codec_hdmi dell_led snd_hda_codec_realtek snd_hda_codec_generic uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev cdc_mbim cdc_ncm usbnet cdc_acm cdc_wdm mii mmc_block btusb btrtl rtsx_pci_sdmmc rtsx_pci_ms mmc_core memstick iwlmvm dell_wmi mac80211 dell_laptop dcdbas x86_pkg_temp_thermal intel_powerclamp coretemp dell_smm_hwmon kvm_intel kvm irqbypass crc32_pclmul aesni_intel aes_x86_64 glue_helper snd_hda_intel lrw gf128mul ablk_helper snd_hda_codec cryptd snd_hwdep iwlwifi snd_hda_core snd_pcm joydev snd_timer cfg80211 snd e1000e soundcore i915 rtsx_pci processor_thermal_device intel_soc_dts_iosf iosf_mbi xhci_pci
[  912.612341]  xhci_hcd hci_uart btbcm btqca btintel parport_pc int3403_thermal 8250_fintek parport dell_smo8800 bluetooth i2c_hid intel_lpss_acpi intel_lpss dell_rbtn mfd_core int3402_thermal int3400_thermal int340x_thermal_zone acpi_als acpi_thermal_rel rfkill kfifo_buf industrialio acpi_pad overlay
[  912.612351] CPU: 0 PID: 4174 Comm: Xorg Tainted: G       A        4.5.0-gentoo-r1 #1
[  912.612352] Hardware name: Dell Inc. Precision 7510/0YH43H, BIOS 1.4.8 03/15/2016
[  912.612353]  0000000000000000 ffff88066ea17a40 ffffffff813498fd ffff88066ea17a88
[  912.612355]  ffffffffa0294ba0 ffff88066ea17a78 ffffffff81051a51 0000000000010000
[  912.612357]  ffff8808575c2c00 ffff880857448000 ffff8808575c2c00 ffffffffa027fc20
[  912.612358] Call Trace:
[  912.612361]  [] dump_stack+0x4f/0x72
[  912.612364]  [] warn_slowpath_common+0x81/0xc0
[  912.612365]  [] warn_slowpath_fmt+0x47/0x50
[  912.612373]  [] ? intel_link_compute_m_n+0x4a/0x60 [i915]
[  912.612380]  [] skl_max_scale.part.96+0x67/0x70 [i915]
[  912.612387]  [] intel_check_primary_plane+0xba/0xd0 [i915]
[  912.612394]  [] intel_plane_atomic_check+0x129/0x1f0 [i915]
[  912.612397]  [] drm_atomic_helper_check_planes+0x43/0x1d0
[  912.612404]  [] intel_atomic_check+0x2f2/0x1100 [i915]
[  912.612406]  [] ? __ww_mutex_lock+0x4a/0x90
[  912.612408]  [] drm_atomic_check_only+0x13e/0x640
[  912.612410]  [] ? drm_atomic_set_mode_prop_for_crtc+0x23/0xf0
[  912.612411]  [] drm_atomic_commit+0x12/0x50
[  912.612412]  [] drm_atomic_helper_set_config+0x72/0xb0
[  912.612414]  [] drm_mode_set_config_internal+0x5d/0xf0
[  912.612415]  [] drm_mode_setcrtc+0x183/0x4e0
[  912.612417]  [] drm_ioctl+0x13d/0x560
[  912.612418]  [] ? drm_mode_setplane+0x1b0/0x1b0
[  912.612421]  [] do_vfs_ioctl+0x89/0x580
[  912.612423]  [] ? security_file_ioctl+0x3e/0x60
[  912.612424]  [] SyS_ioctl+0x74/0x80
[  912.612426]  [] ? SyS_rt_sigprocmask+0x81/0xa0
[  912.612428]  [] entry_SYSCALL_64_fastpath+0x12/0x6a
[  912.612429] ---[ end trace f2c6b194cbc8fc4b ]---
[  914.116705] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
[ 1042.640760] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[ 1050.660505] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
[ 1086.481672] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

     

     

     

    When I boot windows the resolution is also supported, so it must be some Linux limitations. Any Ideas?

     

     

    Lado

     

    Mar 30, 2016 - 12:16am