[Bug 90179] dpms/blanking does not work with current git on HD 5500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90179

--- Comment #7 from Lukas Hejtmanek <xhejtman at fi.muni.cz> ---
(In reply to Chris Wilson from comment #6)
> The unblank is in response to SaveScreen(mode=1). Looks like the earlier
> behaviour was buggy and wasn't responding to the DPMS change correctly. If
> you grep the log for sna_save_screen() do they (at least the latter pairs)
> correspond with your calls to xset and subsequent glitch?

providing another log which was created only by Xserver + a single xterm. I run
sleep 1; xset s activate for 3 times which was: blank, quick unblank.

> There's another issue buried in there in that the kernel fails to set
> DPMSModeOff on the eDP panel.

so, do I need kernel update?

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