Bug 101272 - [BAT][GLK] many tests giving *ERROR* Max supported pixel clock with scaling exceeded
Summary: [BAT][GLK] many tests giving *ERROR* Max supported pixel clock with scaling e...
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: highest blocker
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-06-01 10:03 UTC by Jani Saarinen
Modified: 2017-06-01 11:18 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg during (3.03 MB, text/plain)
2017-06-01 10:03 UTC, Jani Saarinen 		no flags Details
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Description Jani Saarinen 2017-06-01 10:03:25 UTC 
Created attachment 131640 [details]
dmesg during

On CI many tests started failing and giving dmesg fail/warnings on GLK.

[   32.541257] [drm:skl_check_pipe_max_pixel_rate [i915]] *ERROR* Max supported pixel clock with scaling exceeded
[   32.556863] [drm:skl_check_pipe_max_pixel_rate [i915]] *ERROR* Max supported pixel clock with scaling exceeded


Dmesg attached
Comment 1 Jani Saarinen 2017-06-01 10:42:51 UTC 
patches in run: 
450157c drm-tip: 2017y-06m-01d-08h-24m-15s UTC integration manifest
73b0ca8 drm/i915/skl+: consider max supported plane pixel rate while scaling
bb9d85f drm/i915/skl: New ddb allocation algorithm
d2c3b14 ALSA: hda - Fix applying MSI dual-codec mobo quirk
367d73d drm/i915: Always recompute watermarks when distrust_bios_wm is set, v2.
2d7b563 drm/rockchip: gem: add the lacks lock and trivial changes
9234224 drm-tip: 2017y-06m-01d-06h-07m-33s UTC integration manifest

Suspected 
73b0ca8 drm/i915/skl+: consider max supported plane pixel rate while scaling
Comment 2 Jani Saarinen 2017-06-01 11:03:57 UTC 
Patch merged to potentially fix issue:
https://cgit.freedesktop.org/drm-tip/commit/?id=789f35d70c33b5c3809907d586f080c62ada7365
Comment 3 Jani Saarinen 2017-06-01 11:18:45 UTC 
Fixes problems seen.

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