On Mon, Feb 23, 2015 at 02:45:26PM +0200, Jani Nikula wrote: > On Mon, 16 Feb 2015, Paul Bolle <pebolle at tiscali.nl> 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 at ffwll.ch> > Date: Wed Jan 7 13:54:39 2015 +0100 > > drm/i915: Push vblank enable/disable past encoder->enable/disable > Hi,
Can't test this on v4.0-rc1, because I get black screen unfortunatelly. But cherry-picking on v3.19 fixes all warnings drm_wait_one_vblank. -- Best regards, Andrey Skvortsov PGP Key ID: 0x57A3AEAD -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150223/611cf5fa/attachment.sig>
