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authorChris Wilson <chris@chris-wilson.co.uk>2017-02-23 14:50:31 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-02-24 12:57:32 +0000
commitfe9ae7a3bfdb1d5933210f53e9efa7655768d238 (patch)
tree68827228f49b04c32d79d09d8f86c60e40b20692 /drivers/gpu/drm/i915/intel_lrc.c
parentffe5111e28e52212040db1617a75035d6d6f9447 (diff)
drm/i915/execlists: Detect an out-of-order context switch
We require that the request is completed before the context is switched away. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170223145031.26210-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 39329d40da46..1c6c71673bfa 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -591,6 +591,7 @@ static void intel_lrc_irq_handler(unsigned long data)
GEM_BUG_ON(port[0].count == 0);
if (--port[0].count == 0) {
GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED);
+ GEM_BUG_ON(!i915_gem_request_completed(port[0].request));
execlists_context_status_change(port[0].request,
INTEL_CONTEXT_SCHEDULE_OUT);