[Bug 110391] [CI][RESUME] igt at kms_setmode@invalid-clone-single-crtc-stealing - fail - Failed assertion: ret == 0, Last errno: 22, Invalid argument

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Apr 25 07:12:14 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=110391

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
This test has been failing 100% of the time on re-icl-u, and only this one...

This might be explained by the fact that this is the only machine that has a
chamelium connected to its mDP port.

The test is supposed to check that one CRTC stealing an already-used encoder is
not accepted by atomic. However, in this particular case, the failure happens
on the first modeset (the one where we want to try stealing the encoder from).

Here is the relevant failure:

<7> [23.795360] [drm:drm_mode_setcrtc] [CRTC:82:pipe A]
<7> [23.795445] [drm:drm_mode_setcrtc] [CONNECTOR:196:DP-1]
<7> [23.795602] [drm:intel_atomic_check [i915]] [CONNECTOR:196:DP-1] Limiting
display bpp to 24 instead of EDID bpp 24, requested bpp 36, max platform bpp 36
<7> [23.795668] [drm:intel_dp_compute_config [i915]] DP link computation with
max lane count 4 max rate 270000 max bpp 24 pixel clock 533250KHz
<7> [23.795731] [drm:intel_dp_compute_config [i915]] Force DSC en = 0
<7> [23.795788] [drm:intel_atomic_check [i915]] Encoder config failure: -22

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