From c816e605ffb26ce1d3c06238c7de6662569ecb1e Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 24 Jan 2017 11:00:02 +0000 Subject: [PATCH] drm/i915: Assert that we don't submit to execlists whilst a preempt is pending To complement the check in execlists_elsp_ready(), also assert that we don't submit the same context while it has a lite restore still pending. Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala Link: http://patchwork.freedesktop.org/patch/msgid/20170124110009.28947-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/intel_lrc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 32096d141d57..9dd612a2df16 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -375,6 +375,7 @@ static void execlists_submit_ports(struct intel_engine_cs *engine) dev_priv->regs + i915_mmio_reg_offset(RING_ELSP(engine)); u64 desc[2]; + GEM_BUG_ON(port[0].count > 1); if (!port[0].count) execlists_context_status_change(port[0].request, INTEL_CONTEXT_SCHEDULE_IN); -- 2.20.1