Created attachment 121378 [details] dmesg.log System environment --------------------------- BXT-P : CPU QDF QKG2 KSC : 1.06 BIOS : APLK_IFWI_X64_R_2016_02_4_00 (119.10) Cores : 4 Microcode Revision : 9002100A Processor : Intel (R) Genuine processor Speed : 1200 Mhz BXT SOC : A0 GOP : 10.0.1022 CPU Flavor : APL RVP 1A (01) FAB ID : FAB1 BOAD ID : APL RVP 1A (01) Total Memory : 8GB Software configuration ----------------------------- OS : Ubuntu 15.10 x86_64 kernel : drm-intel-nightly commit 8fe9e785ae04fa7c37f7935cff12d62e38054b60 Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Date: Thu Jan 21 11:03:06 2016 +0000 drm-intel-nightly: 2016y-01m-21d-11h-02m-42s UTC integration manifest --> Component : drm url : http://cgit.freedesktop.org/mesa/drm tag : libdrm-2.4.66-2-ge342c0f commit : e342c0f author : Ville Syrjälä <ville.syrjala@linux.intel.com> age : 6 weeks ago --> Component : mesa url : http://cgit.freedesktop.org/mesa/mesa tag : mesa-11.0.8 commit : 261daab author : Emil Velikov <emil.velikov@collabora.com> age : 5 weeks ago --> Component : xf86-video-intel url : http://cgit.freedesktop.org/xorg/driver/xf86-video-intel tag : 2.99.917 commit : baec802 author : Chris Wilson <chris@chris-wilson.co.uk> age : 1 year 1 month ago --> Component : libva url : http://cgit.freedesktop.org/libva/ tag : libva-1.6.1-34-gcb418f6 commit : cb418f6 author : Lim Siew Hoon <siew.hoon.lim@intel.com> age : 3 weeks ago --> Component : vaapi (intel-driver) url : http://cgit.freedesktop.org/vaapi/intel-driver tag : 1.6.1-88-g2110b3a commit : 2110b3a author : peng.chen <peng.c.chen@intel.com> age : 13 days ago --> Component : cairo url : http://cgit.freedesktop.org/cairo tag : 1.15.2 commit : db8a7f1 author : Bryce Harrington <bryce@osg.samsung.com> age : 7 weeks ago --> Component : xserver url : http://cgit.freedesktop.org/xorg/xserver tag : xorg-server-1.18.0 commit : 43fb888 author : Adam Jackson <ajax@redhat.com> age : 3 months ago Regresion -------------- not sure Bug detailed description ------------------------------- After boot Ubuntu and connect DP + HDMI corruption is seen on eDP panel most of time with only move the mouse or do any action like open a terminal. Steps to reproduce ------------------------- 1-Boot ubuntu on X window 2-Connect DP + HDMI 3-Do any action like moving the mouse or open a terminal Corruption is seen on step 3 Expected result -------------------- no issues will be seen after connect 3 pipes Actual result --------------------- Corruption is seen after connect DP + HDMI and do any action like moving the mouse or open a terminal Additional info ------------------ grub options : acpi_enforce_resources=lax initcall_debug maxcpus=1 no_console_suspend log_buf_len=4M ignore_loglevel i915.enable_rc6=0 drm.debug=0x1e Bios options : 1- Device Manager > System Setup > CPU Configuration > CPU Power Management > Max Package C State "S0ix default" to "C0" 2- Device Manager > System Setup > CPU Configuration > CPU Power Management > Max Core C State "Fused value default" to "Core C6" Attachment --------------- dmesg.log
Bug scrub: ---------- Assigned to Jim Bride
This issue can be observed with only HDMI and the latest configuration : --- Software information --- Kernel version 4.5.0-rc5-drm-intel-testing-ww10-commit-a27657a+ Linux distribution Ubuntu 15.10 Architecture 64-bit Mesa version 11.1.2 xf86-video-intel version 2.99.917 Xorg-Xserver version 1.18.1 DRM version 2.4.67 Cairo version 1.15.2 Kernel driver in use i915 Bios revision 123.16 KSC revision 1.6 --- Hardware information --- Platform BXT-P Motherboard model Broxton P Motherboard type NOTEBOOK Hand Held Motherboard manufacturer Intel Corp. CPU family Other CPU information 06/5c GPU Card Intel Corporation Device 5a84 (rev 03) (prog-if 00 [VGA controller]) Memory ram 8 GB Maximum memory ram allowed 16 GB Kernel : drm-intel-testing / commit = a27657a ================================================== commit a27657a39741599ce9feef1ef39ae6654e9e6768 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Feb 29 09:42:22 2016 +0100 drm-intel-nightly: 2016y-02m-29d-08h-41m-12s UTC integration manifest
[ 2767.011766] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz I wonder if we're running into the following (from the B-Spec SKL+ CDCLK_CTL register description): Do not use DisplayPort with CDCLK less than 432 MHz, audio enabled, port width x4, and link rate HBR2 (5.4 GHz), or else there may be audio corruption or screen corruption.
(In reply to Jim Bride from comment #3) > [ 2767.011766] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz > > I wonder if we're running into the following (from the B-Spec SKL+ CDCLK_CTL > register description): > > Do not use DisplayPort with CDCLK less than 432 MHz, audio enabled, port > width x4, and link rate HBR2 (5.4 GHz), or else there may be audio > corruption or screen corruption. Additionally, it's worth noting that on BXT A the only operation external port, Port B (ddi0), has LSPCON in front of it and there is not currently support in the kernel to configure LSPCON. The CDCLK issue is still pertinent perhaps (likely, in fact) but any other behavior on Port B with BXT A is certainly suspect until we have LSPCON configuration support in the kernel.
Could you try the following two patches: https://lists.freedesktop.org/archives/intel-gfx/2016-April/091296.html https://lists.freedesktop.org/archives/intel-gfx/2016-April/091309.html
Assigned to Humberto to check the patches. Thanks
(In reply to Imre Deak from comment #5) > Could you try the following two patches: > https://lists.freedesktop.org/archives/intel-gfx/2016-April/091296.html > https://lists.freedesktop.org/archives/intel-gfx/2016-April/091309.html this issue is gone with the patches , the flickering / corruption is not seen anymore with 2/3 pipes (edp + hdmi +dp ) kernel ================================================== commit ab13a48af1102b84bdb8dcdfbef1b5b44fab8d3d Author: Jani Nikula <jani.nikula@intel.com> Date: Wed Apr 6 14:24:06 2016 +0300 drm-intel-nightly: 2016y-04m-06d-11h-23m-30s UTC integration manifest Architecture: any all Version: 4.6.0-rc2 Homepage: http://www.kernel.org/ i have to comment that even with with DP 4K this patches works attachment ================= dmesg_patches.log
Created attachment 122777 [details] dmesg_patches.log
The fix is merged now, so closing this.
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