| Summary: | [SNB/BSW]DP monitor unable to light up after rotation and hot plug | ||||||||||
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| Product: | DRI | Reporter: | Guo Jinxian <jinxianx.guo> | ||||||||
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||||
| Severity: | normal | ||||||||||
| Priority: | medium | CC: | christophe.prigent, hengx.ding, intel-gfx-bugs | ||||||||
| Version: | unspecified | ||||||||||
| Hardware: | Other | ||||||||||
| OS: | All | ||||||||||
| Whiteboard: | |||||||||||
| i915 platform: | BSW/CHT, SNB | i915 features: | display/Other | ||||||||
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Tested on Sandybridge with drm-intel-testing-2014-12-19 commit 4fa23142a15526f4a4b5df61f26eacdd558a849a and saw the same issue. An Xorg.0.log would help here as well. Along with xrandr --verbose before/after step 5. Created attachment 111801 [details]
run xrandr --verbose after unplug DP monitor
Created attachment 111802 [details]
run xrandr --verbose before unplug DP monitor
Presumed fixed by commit d14e7b6d1d8747826cb900db852351c550e00fdd Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Thu Aug 20 19:37:29 2015 +0300 drm/i915: Check DP link status on long hpd too |
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Created attachment 108680 [details] dmesg ==System Environment== -------------------------- Regression: No, The test always fails Non-working platforms: BSW ==kernel== -------------------------- origin/drm-intel-nightly: bd21cf795cf5dc278f1451d0f7a597cb1d13c2ba(fails) drm-intel-nightly: 2014y-10m-29d-08h-35m-03s UTC integration manifest origin/drm-intel-next-queued: 421d82916774361a4840018fc3ab3a15751c3ea6(fails) drm/i915: use intel_fb_obj() macros to assign gem objects origin/drm-intel-fixes: b2a9601c587dbc5536546aa54009d1130adedd72(fails) drm/i915: Ignore VBT backlight check on Macbook 2, 1 ==Bug detailed description== DP monitor unable to light up after rotation and hot plug. If hot plug without rotation, this bug unable to reproduce. ==Reproduce steps== ---------------------------- 1. Boot the device only eDP plugged. 2. Connect DP monitor 3. xinit & 4. xrandr --output DP1 --rotation left 5. Unplugged then plugged DP monitor, the monitor unable to light up