Commits
Chris Wilson committed 25112b64b3d
drm/i915: Wait for all engines to be idle as part of i915_gem_wait_for_idle() Make i915_gem_wait_for_idle() be a little heavier in order to try and guarantee that the GPU is indeed idle (by checking each engine individually is idle, i.e. all writes are complete and the rings stopped) after waiting for in-flight requests to be completed. v2: And return the final error. v3: Break the wait_for() out from under the WARN -- the macro expansion is hideous and unreadable in the warning message v4: If wait_for_engine() fails the result is catastrophic, mark the device as wedged and wait for the repair team. References: https://bugs.freedesktop.org/show_bug.cgi?id=98836 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170330145041.9005-4-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>