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876d6242d2
commitfc30a6764aupstream. Prior to this patch the blocked context counter was cleared on init_sched_state (used during registering a context & resets) which is incorrect. This state needs to be persistent or the counter can read the incorrect value resulting in scheduling never getting enabled again. Fixes:62eaf0ae21("drm/i915/guc: Support request cancellation") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <stable@vger.kernel.org> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-2-matthew.brost@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>