[Bug 83605] [HD 4400] failed to set mode: Permission denied [13]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83605

--- Comment #2 from Ewgenij Starostin <bugs.freedesktop.org at ewgenij-starostin.name> ---
Created attachment 105885
  --> https://bugs.freedesktop.org/attachment.cgi?id=105885&action=edit
output of intel_reg_dumper before running Xorg

Five seconds after starting Xorg, changes in intel_reg_dumper output:
138c138
<                BLC_PWM_CPU_CTL: 0x03530353 (cycle 851, freq 851)
---
>                BLC_PWM_CPU_CTL: 0x0353000a (cycle 10, freq 851)
152,156c152,156
<             RC6_RESIDENCY_TIME: 0x0605bff8
<                  FENCE START 0: 0x00000000
<                    FENCE END 0: 0x00000000
<                  FENCE START 1: 0x00000000
<                    FENCE END 1: 0x00000000
---
>             RC6_RESIDENCY_TIME: 0x06416318
>                  FENCE START 0: 0x00b6d001
>                    FENCE END 0: 0x0135503b
>                  FENCE START 1: 0x01357001
>                    FENCE END 1: 0x01b3f03b

One second after killing Xorg, difference to the initial state (in intel_reg1,
before Xorg was started):
152c152
<             RC6_RESIDENCY_TIME: 0x0605bff8
---
>             RC6_RESIDENCY_TIME: 0x064f3640

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