On Mon, Feb 23, 2015 at 02:54:47PM +0200, Jani Nikula wrote: > On Mon, 23 Feb 2015, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: > > On Mon, 16 Feb 2015, Paul Bolle <pebolle@xxxxxxxxxx> wrote: > >> I still see this on v3.19. I booted with drm.debug=0x4. The almost 2K > >> lines in dmesg containing either "[drm" or this WARNING are pasted > >> below. I really know nothing about all this, but I do note that only the > >> WARNINGS are preceded by: > >> [drm:intel_calculate_wm] FIFO watermark level: -5 > >> [drm:i9xx_update_wm] FIFO watermarks - A: 26, B: 8 > >> > >> But perhaps that's another symptom of the same issue. A bit of staring > >> at the code couldn't help me determine that. > >> > >> Perhaps these debug messages help someone in discovering what might be > >> going on here. > > > > Please try v4.0-rc1 or try cherry-picking this on top of v3.19 and > > report back: > > > > commit f9b61ff6bce9a44555324b29e593fdffc9a115bc > > Author: Daniel Vetter <daniel.vetter@xxxxxxxx> > > Date: Wed Jan 7 13:54:39 2015 +0100 > > > > drm/i915: Push vblank enable/disable past encoder->enable/disable > > https://bugs.freedesktop.org/show_bug.cgi?id=89108 > Hi, Sitsofe, you wrote in your bug report (#89108), that you've got a black screen, when you tried drm-intel-nightly branch. Do you have black screen with v4.0-rc1 on your eeepc? If so, is it similar to that I described here https://lkml.org/lkml/2015/2/3/594 ? As we both had drm_wait_one_vblank warnings, I assume that we have the same or similar chipsets. And your black screen could be potentially the same as mine. -- Best regards, Andrey Skvortsov PGP Key ID: 0x57A3AEAD
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