[Bug 110936] [CI][DRMTIP] igt at drm_read@short-buffer-block - fail - Failed assertion: ret == 0, error: -22 != 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110936

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
It tried to initialise the crtc for driving the vblanks, and failed:

<7>[  150.028986] [drm:drm_mode_addfb2] [FB:88]
<7>[  150.046806] [drm:intel_atomic_check [i915]] [CONNECTOR:68:HDMI-A-1]
Limiting display bpp to 24 instead of EDID bpp 24, requested bpp 36, max
platform bpp 36
<7>[  150.046843] [drm:intel_hdmi_compute_config [i915]] picking bpc to 8 for
HDMI output
<7>[  150.046897] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 24
for HDMI
<7>[  150.046947] [drm:intel_atomic_check [i915]] hw max bpp: 24, pipe bpp: 24,
dithering: 0
<7>[  150.046978] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_hdisplay (expected 1024, found 1920)
<7>[  150.047009] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_htotal (expected 1344, found 2200)
<7>[  150.047041] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_hblank_start (expected 1024, found 1920)
<7>[  150.047072] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_hblank_end (expected 1344, found 2200)
<7>[  150.047102] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_hsync_start (expected 1048, found 2008)
<7>[  150.047133] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_hsync_end (expected 1184, found 2052)
<7>[  150.047163] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vdisplay (expected 768, found 1080)
<7>[  150.047194] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vtotal (expected 806, found 1125)
<7>[  150.047225] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vblank_start (expected 768, found 1080)
<7>[  150.047255] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vblank_end (expected 806, found 1125)
<7>[  150.047285] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vsync_start (expected 771, found 1084)
<7>[  150.047315] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_vsync_end (expected 777, found 1089)
<7>[  150.047346] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_clock (expected 65000, found 148500)
<7>[  150.047377] [drm:pipe_config_err [i915]] mismatch in port_clock (expected
65000, found 148500)
<7>[  150.047383] [drm:drm_atomic_helper_check_plane_state] Plane must cover
entire CRTC
<7>[  150.047387] [drm:drm_rect_debug_print] dst: 1024x768+0+0

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