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Chris Wilson a0fec594b0 drm/i915: Filter wake_flags passed to default_wake_function ... commit 20612303a0b45de748d31331407e84300c38e497 upstream. (NOTE: This is the minimal backportable fix, a full fix is being developed at https://patchwork.freedesktop.org/patch/388048/) The flags passed to the wait_entry.func are passed onwards to try_to_wake_up(), which has a very particular interpretation for its wake_flags. In particular, beyond the published WF_SYNC, it has a few internal flags as well. Since we passed the fence->error down the chain via the flags argument, these ended up in the default_wake_function confusing the kernel/sched. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2110 Fixes: ef46884975 ("drm/i915: Propagate fence errors") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: <stable@vger.kernel.org> # v5.4+ Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200728152144.1100-1-chris@chris-wilson.co.uk Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> [Joonas: Rebased and reordered into drm-intel-gt-next branch] [Joonas: Added a note and link about more complete fix] Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit f4b3c395540aa3d4f5a6275c5bdd83ab89034806) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-09-23 12:40:43 +02:00
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drm	drm/i915: Filter wake_flags passed to default_wake_function	2020-09-23 12:40:43 +02:00
host1x
ipu-v3	gpu: ipu-v3: image-convert: Wait for all EOFs before completing a tile	2020-08-21 13:05:32 +02:00
vga
Makefile