[Bug 83130] New: [BDW Bisected] Screen flickers when it changes to console from X
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 27 00:38:34 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=83130
Priority: medium
Bug ID: 83130
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [BDW Bisected] Screen flickers when it changes to
console from X
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: critical
Classification: Unclassified
OS: Linux (All)
Reporter: lei.a.liu at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
==System Environment==
--------------------------
Regression: Yes. Good commit: 3a5f87c286515c54ff5c52c3e64d0c522b7570c0
drm: fix plane rotation when restoring fbdev configuration
Non-working platforms: Broadwell
==kernel==
--------------------------
-nightly: c30b73ce7c138b5fd671ed3a7e1301bd273fd661 (fails)
drm-intel-nightly: 2014y-08m-26d-16h-36m-49s integration manifest
-queued: c1f7ab8c9a7b09f4ed6499904298ddf1c67b1764(fails)
drm/i915/bdw: Do not initialize PPGTT in the legacy way for execlists
-fixes: a4bf214ffc721f3b82321714d614be937b982a94 (works)
drm/i915: Move intel_ddi_set_vc_payload_alloc(false) to
haswell_crtc_disable()
==Bug detailed description==
-----------------------------
Screen starts to flicker after I start X or back to console from X. I will
attach a Video later.
==Reproduce steps==
----------------------------
1. start X
or shatr X and chvt 1
==Bisect results==
----------------------------
Bisect shows: 3497c2a466ef2c72305180df5a09955ba95550cd is the first bad commit.
commit 3497c2a466ef2c72305180df5a09955ba95550cd
Author: Deepak S <deepak.s at intel.com>
AuthorDate: Mon Aug 18 10:35:27 2014 -0700
Commit: Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Tue Aug 26 12:54:10 2014 +0200
drm/i915: Bring UP Power Wells before disabling RC6.
We need do forcewake before Disabling RC6, This is what the BIOS
expects while going into suspend.
v2: updated commit message. (Daniel)
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