| Summary: | [BSW Bisected] HDMI screen goes black for a while when run testdisplay -i | ||||||||
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| Product: | DRI | Reporter: | Li Xu <li.l.xu> | ||||||
| Component: | DRM/Intel | Assignee: | Jesse Barnes <jbarnes> | ||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Severity: | major | ||||||||
| Priority: | high | CC: | intel-gfx-bugs | ||||||
| Version: | XOrg git | ||||||||
| Hardware: | Other | ||||||||
| OS: | All | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Please supply the bisect result, thanks. Bisect result: 206645910b9796bff13fcdb67bdca166b724ba62 is the first bad commit commit 206645910b9796bff13fcdb67bdca166b724ba62 Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Wed Nov 5 14:26:09 2014 -0800 drm/i915: check for audio and infoframe changes across mode sets v2 If these change (e.g. after a modeset following a fastboot), we need to do a full mode set. v2: - put under pipe_config check so we don't deref a null state (Jesse) Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> (In reply to Li Xu from comment #2) > Bisect result: Please always assign bug to regressing commit's author. Done now. Thanks. Created attachment 110313 [details] [review] Revert infoframe check Can you check this patch and see if it helps? (In reply to Jesse Barnes from comment #4) > Created attachment 110313 [details] [review] [review] > Revert infoframe check > > Can you check this patch and see if it helps? Jesse, remember changing the bug status to ‘Needinfo', which prevents QA missing it. :) This patch works well. Great, thanks for testing, we'll get the revert integrated. commit af15d2ce5d497ba6535dead782cfadbcc83d90fe Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Mon Dec 1 09:54:28 2014 -0800 drm/i915: don't always do full mode sets when infoframes are enabled Yes ,it works well on -nightly latest. Closing old verified. |
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Created attachment 109981 [details] dmesg Environment: -------------------------- Platform: BSW Kernel: (drm-intel-nightly) 2014_11_25 ab4b258a6ea5f58b5cb17131aced8f9a8dd64499 Bug detailed description: ----------------------------- We boot up the machine with HDMI ,and then run testdisplay -i, screen will goes black for a while and then light up again. Steps: --------------------------- Boot up with HDMI ./testdisplay -i