9  * Try to transition the preemption state from old to new. Return
22  * Force the preemption state to the specified state.  This is used in cases
30 	 * preemption or in the interrupt handler so barriers are needed  in set_preempt_state()
85 	DRM_DEV_ERROR(dev->dev, "%s: preemption timed out\n", gpu->name);  in a5xx_preempt_timer()
89 /* Try to trigger a preemption switch */
101 	 * Try to start preemption by moving from NONE to START. If  in a5xx_preempt_trigger()
102 	 * unsuccessful, a preemption is already in flight  in a5xx_preempt_trigger()
116 		 * Its possible that while a preemption request is in progress  in a5xx_preempt_trigger()
138 	/* Set the address of the incoming preemption record */  in a5xx_preempt_trigger()
144 	/* Start a timer to catch a stuck preemption */  in a5xx_preempt_trigger()
147 	/* Set the preemption state to triggered */  in a5xx_preempt_trigger()
153 	/* And actually start the preemption */  in a5xx_preempt_trigger()
167 	/* Delete the preemption watchdog timer */  in a5xx_preempt_irq()
179 		DRM_DEV_ERROR(dev->dev, "%s: Preemption failed to complete\n",  in a5xx_preempt_irq()
202 	/* No preemption if we only have one ring */  in a5xx_preempt_hw_init()
216 	/* Reset the preemption state */  in a5xx_preempt_hw_init()
254 	/* Set up the defaults on the preemption record */  in preempt_init_ring()
284 	/* No preemption if we only have one ring */  in a5xx_preempt_init()
292 			 * set nr_rings to 1 to force preemption off  in a5xx_preempt_init()