On Mon, 23 Feb 2015, Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx> wrote: > 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. Please try https://patchwork.kernel.org/patch/5861631/ BR, Jani. > > -- > Best regards, > Andrey Skvortsov > > PGP Key ID: 0x57A3AEAD -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
