On Tue, 24 Jun 2014, Thomas Meyer <[email protected]> wrote: > the i915 driver is still broken in 3.16-rc2. Resume from ram crashes the > X server.
This is not new to 3.16-rc2; apparently we've had it since v3.15-rc4 [1]. Also related [2]. Chris, any fresh ideas? Thomas, please consider filing a bug against DRM/Intel at [3]. They will have a better chance of not being forgotten as the mail thread goes cold. Thanks, Jani. [1] http://thread.gmane.org/gmane.linux.kernel/1700872 [2] https://bugs.freedesktop.org/show_bug.cgi?id=76554 [3] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI > > First bad commit is: > > # first bad commit: [78f2975eec9faff353a6194e854d3d39907bab68] drm/i915: Move > all ring resets before setting the HWS page > > commit 78f2975eec9faff353a6194e854d3d39907bab68 > Author: Chris Wilson <[email protected]> > Date: Wed Apr 2 16:36:07 2014 +0100 > > drm/i915: Move all ring resets before setting the HWS page > > In commit a51435a3137ad8ae75c288c39bd2d8b2696bae8f > Author: Naresh Kumar Kachhi <[email protected]> > Date: Wed Mar 12 16:39:40 2014 +0530 > > drm/i915: disable rings before HW status page setup > > we reordered stopping the rings to do so before we set the HWS register. > However, there is an extra workaround for g45 to reset the rings twice, > and for consistency we should apply that workaround before setting the > HWS to be sure that the rings are truly stopped. > > Reference: http://lkml.kernel.org/r/[email protected] > Tested-by: Pavel Machek <[email protected]> > Cc: Naresh Kumar Kachhi <[email protected]> > Signed-off-by: Chris Wilson <[email protected]> > Reviewed-by: Jesse Barnes <[email protected]> > Signed-off-by: Daniel Vetter <[email protected]> > Signed-off-by: Jani Nikula <[email protected]> > > Above commit is not revertable anymore on 3.16-rc2 without conflict. > > > > _______________________________________________ > Intel-gfx mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
