[Bug 64371] ddccontrol doesn't work on kernels >= 3.10.5

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64371

--- Comment #11 from dbzix <dbz.gml at gmail.com> ---
Jani,

After running 'ddccontrol -p' on this kernel, above dmesg output appended with:

[  599.453745] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.453749] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.456156] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.456159] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.456160] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -110
[  599.458580] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.458583] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.460988] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.460991] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.460992] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -110
[  599.463406] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.463409] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.465987] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x7143003f
[  599.466156] [drm:intel_dp_i2c_aux_ch], aux_ch failed -110
[  599.466159] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -110
[  599.466607] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 w(1)
[  599.470596] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
[  599.542499] [drm] GMBUS [i915 gmbus panel] timed out, falling back to bit
banging on pin 3
[  599.571185] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0037 w(6)
[  599.616207] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0037 w(6)
[  599.661346] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0037 w(6)
[  599.706341] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0037 w(4)
[  599.762281] [drm] GMBUS [i915 gmbus ssc] timed out, falling back to bit
banging on pin 1


Hope it helps.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.