Created attachment 135046 [details] kernel log After trying to run testdisplay -a on CNL using multiple displays, I found that when test start on eDP and finish testdisplay -a hangs the platform and the other monitors never shows any activity. ========================= Steps ========================= 1.Connect eDP, HDMI and DP 2.Run testdisplay -a 3.Check that no all resolutions are supporten on eDP, and after finish with eDP hdmi and dp never start the excecution of testdisplay
Attached platform configuration. ====================================== Configuration ====================================== kernel version : 4.14.0-rc5-drm-tip-ww42-commit-920fa32+ hostname : gfx-CannonLake-Client-Platform architecture : x86_64 os version : Ubuntu 17.04 os codename : zesty kernel driver : i915 bios revision : 100.1 bios release date : 08/15/2017 ksc : 1.28 hardware acceleration : only available on X swap partition : enabled on (/dev/nvme0n1p2) ====================================== Graphic drivers ====================================== xf86-video-intel (tag) : 2.99.917 xf86-video-intel (commit) : 2.99.917-796-g04b4f3b modesetting : enabled modesetting compiled for : 1.19.99.1 X.Org Video Driver libdrm : 2.4.84 cairo : 1.15.9 intel-gpu-tools (tag) : intel-gpu-tools-1.20-29-gd4d976de intel-gpu-tools (commit) : d4d976de ====================================== Hardware ====================================== motherboard model : CannonLakeClientPlatform motherboard id : CannonLakeYLPDDR4RVP form factor : Laptop manufacturer : IntelCorporation cpu family : Other cpu family id : 6 cpu information : Genuine Intel(R) CPU 0000 @ 1.00GHz gpu card : Intel Corporation Device 5a49 (rev 03) (prog-if 00 [VGA controller]) memory ram : 7.62 GB max memory ram : 8 GB cpu thread : 4 cpu core : 2 cpu model : 102 cpu stepping : 2 socket : Other current cd clock frequency : 336000 kHz maximum cd clock frequency : 528000 kHz displays connected : eDP-1 ====================================== Firmware ====================================== dmc fw loaded : yes dmc version : 1.6 guc fw loaded : NONE guc version wanted : 0.0 guc version found : 0.0 ====================================== kernel parameters ====================================== quiet splash i915.enable_guc_submission=2 i915.enable_guc_loading=2 i915.alpha_support=1
Created attachment 135047 [details] dmesg
drm.debug=0xe missing from the logs. Also please re-test with latest drm-tip since we now have the DVFS and pixel rate stuff merged.
Created attachment 135077 [details] kernel
Created attachment 135078 [details] dmesg
The following message appear frequently on dmesg [ 4.078911] [drm:drm_atomic_set_crtc_for_plane [drm]] Link plane state ffff941cdf33c400 to [NOCRTC] [ 4.078918] [drm:drm_atomic_set_fb_for_plane [drm]] Set [NOFB] for plane state ffff941cdf33c400
I could not reproduce this issue. this test is working good with the following configurations, closing as fixed. ====================================== Software ====================================== kernel version : 4.16.0-rc1-drm-tip-ww8-commit-337c900+ architecture : x86_64 os version : Ubuntu 17.10 os codename : artful bios revision : 124.2 bios release date : 02/05/2018 ksc : 1.36 ====================================== Graphic drivers ====================================== libdrm : 2.4.90 intel-gpu-tools (tag) : intel-gpu-tools-1.21-112-gdd61508a intel-gpu-tools (commit) : dd61508a ====================================== Hardware ====================================== motherboard model : CannonLakeClientPlatform motherboard id : CannonLakeYLPDDR4RVP cpu family id : 6 cpu information : Genuine Intel(R) CPU 0000 @ 1.00GHz gpu card : Intel Corporation Device 5a49 (rev 03) (prog-if 00 [VGA controller]) cpu model : 102 cpu stepping : 2 displays connected : eDP-1 HDMI-A-1 ====================================== Firmware ====================================== dmc fw loaded : yes dmc version : 1.7
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