drm/i915: Print execlists restart after reset
After resetting, show the requests that each engine restarts from in the debug log. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170204110519.7645-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
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@ -1254,6 +1254,11 @@ out:
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return ret;
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return ret;
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}
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}
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static u32 port_seqno(struct execlist_port *port)
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{
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return port->request ? port->request->global_seqno : 0;
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}
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static int gen8_init_common_ring(struct intel_engine_cs *engine)
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static int gen8_init_common_ring(struct intel_engine_cs *engine)
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{
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{
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struct drm_i915_private *dev_priv = engine->i915;
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struct drm_i915_private *dev_priv = engine->i915;
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@ -1279,6 +1284,10 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
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/* After a GPU reset, we may have requests to replay */
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/* After a GPU reset, we may have requests to replay */
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clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
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clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
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if (!execlists_elsp_idle(engine)) {
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if (!execlists_elsp_idle(engine)) {
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DRM_DEBUG_DRIVER("Restarting %s from requests [0x%x, 0x%x]\n",
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engine->name,
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port_seqno(&engine->execlist_port[0]),
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port_seqno(&engine->execlist_port[1]));
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engine->execlist_port[0].count = 0;
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engine->execlist_port[0].count = 0;
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engine->execlist_port[1].count = 0;
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engine->execlist_port[1].count = 0;
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execlists_submit_ports(engine);
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execlists_submit_ports(engine);
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