13  * Try to transition the preemption state from old to new. Return
26  * Force the preemption state to the specified state.  This is used in cases
34 	 * preemption or in the interrupt handler so barriers are needed  in set_preempt_state()
97 	dev_err(dev->dev, "%s: preemption timed out\n", gpu->name);  in a6xx_preempt_timer()
148 	/* Delete the preemption watchdog timer */  in a6xx_preempt_irq()
161 					  "!!!!!!!!!!!!!!!! preemption faulted !!!!!!!!!!!!!! irq\n");  in a6xx_preempt_irq()
163 		dev_err(dev->dev, "%s: Preemption failed to complete\n",  in a6xx_preempt_irq()
181 	 * Retrigger preemption to avoid a deadlock that might occur when preemption  in a6xx_preempt_irq()
193 	/* No preemption if we only have one ring */  in a6xx_preempt_hw_init()
211 	/* Enable the GMEM save/restore feature for preemption */  in a6xx_preempt_hw_init()
214 	/* Reset the preemption state */  in a6xx_preempt_hw_init()
236 	 * Lock to make sure another thread attempting preemption doesn't skip it  in a6xx_preempt_trigger()
238 	 * thread does start preemption if we abort it and avoids a soft lock.  in a6xx_preempt_trigger()
243 	 * Try to start preemption by moving from NONE to START. If  in a6xx_preempt_trigger()
244 	 * unsuccessful, a preemption is already in flight  in a6xx_preempt_trigger()
314 	/* Start a timer to catch a stuck preemption */  in a6xx_preempt_trigger()
326 	/* Set the preemption state to triggered */  in a6xx_preempt_trigger()
329 	/* Trigger the preemption */  in a6xx_preempt_trigger()
386 	/* Set up the defaults on the preemption record */  in preempt_init_ring()
416 	/* No preemption if we only have one ring */  in a6xx_preempt_init()
447 	 * set nr_rings to 1 to force preemption off  in a6xx_preempt_init()
453 				  "preemption init failed, disabling preemption\n");  in a6xx_preempt_init()