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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BDW] After screen turn off / turn on rendering get slow, one frame per few dozens of seconds [CRTC:39:pipe A] flip_done timed out"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105405#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BDW] After screen turn off / turn on rendering get slow, one frame per few dozens of seconds [CRTC:39:pipe A] flip_done timed out"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105405">bug 105405</a>
from <span class="vcard"><a class="email" href="mailto:dhinakaran.pandiyan@intel.com" title="Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>"> <span class="fn">Dhinakaran Pandiyan</span></a>
</span></b>
<pre>(In reply to russianneuromancer from <a href="show_bug.cgi?id=105405#c0">comment #0</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=137916" name="attach_137916" title="dmesg-tip">attachment 137916</a> <a href="attachment.cgi?id=137916&action=edit" title="dmesg-tip">[details]</a></span>
> dmesg-tip
>
> Originally reported here:
> <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - [IGT][SNB only] dmesg-warn [CRTC:37:pipe A] flip_done timed out and vblank wait timed out on crtc 0"
href="show_bug.cgi?id=104573#c12">https://bugs.freedesktop.org/show_bug.cgi?id=104573#c12</a>
>
> With Linux 4.15 it was easy to reproduce and with cod/tip/drm-tip/2018-03-08
> (fc93d196b8e428bc5a186bde78f412aa30081f38) it's now harder to reproduce, but
> still possible. I no longer can reproduce issue with rotate, but still can
> reproduce issue with screen turn off/turn on.
>
> How issue was reproduced:
> On Ubuntu 18.04 x86_64 with Gnome 3.28 Beta.
> In Gnome Shell Wayland session.
> With boot option intel.psr=1
> Dell 7140 (M-5Y71) internal display is connected via eDP.
>
> dmesg with "intel.psr=1 drm.debug=0x1e log_buf_len=1M" boot options is
> attached.</span >
To be sure, the command line option you are using is "i915.enable_psr=1" right
? And not "intel.psr=1" like you've stated above.
Does this happen only if you boot with i915.enable_psr=1?
When do you start seeing the flip time outs? login screen? or are you running
any tests?
What happens if you keep the screen busy? like playing a video or let's say
keep moving the cursor?</pre>
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