25 static inline void set_preempt_state(struct a5xx_gpu *gpu,  in set_preempt_state()  argument
34 	atomic_set(&gpu->preempt_state, new);  in set_preempt_state()
40 static inline void update_wptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)  in update_wptr()  argument
52 	gpu_write(gpu, REG_A5XX_CP_RB_WPTR, wptr);  in update_wptr()
56 static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu)  in get_next_ring()  argument
58 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in get_next_ring()
63 	for (i = 0; i < gpu->nr_rings; i++) {  in get_next_ring()
65 		struct msm_ringbuffer *ring = gpu->rb[i];  in get_next_ring()
68 		empty = (get_wptr(ring) == gpu->funcs->get_rptr(gpu, ring));  in get_next_ring()
84 	struct msm_gpu *gpu = &a5xx_gpu->base.base;  in a5xx_preempt_timer()  local
85 	struct drm_device *dev = gpu->dev;  in a5xx_preempt_timer()
90 	DRM_DEV_ERROR(dev->dev, "%s: preemption timed out\n", gpu->name);  in a5xx_preempt_timer()
91 	kthread_queue_work(gpu->worker, &gpu->recover_work);  in a5xx_preempt_timer()
95 void a5xx_preempt_trigger(struct msm_gpu *gpu)  in a5xx_preempt_trigger()  argument
97 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in a5xx_preempt_trigger()
102 	if (gpu->nr_rings == 1)  in a5xx_preempt_trigger()
120 	ring = get_next_ring(gpu);  in a5xx_preempt_trigger()
140 		update_wptr(gpu, a5xx_gpu->cur_ring);  in a5xx_preempt_trigger()
153 	gpu_write64(gpu, REG_A5XX_CP_CONTEXT_SWITCH_RESTORE_ADDR_LO,  in a5xx_preempt_trigger()
168 	gpu_write(gpu, REG_A5XX_CP_CONTEXT_SWITCH_CNTL, 1);  in a5xx_preempt_trigger()
175 void a5xx_preempt_irq(struct msm_gpu *gpu)  in a5xx_preempt_irq()  argument
178 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in a5xx_preempt_irq()
180 	struct drm_device *dev = gpu->dev;  in a5xx_preempt_irq()
194 	status = gpu_read(gpu, REG_A5XX_CP_CONTEXT_SWITCH_CNTL);  in a5xx_preempt_irq()
198 			gpu->name);  in a5xx_preempt_irq()
199 		kthread_queue_work(gpu->worker, &gpu->recover_work);  in a5xx_preempt_irq()
206 	update_wptr(gpu, a5xx_gpu->cur_ring);  in a5xx_preempt_irq()
214 	a5xx_preempt_trigger(gpu);  in a5xx_preempt_irq()
217 void a5xx_preempt_hw_init(struct msm_gpu *gpu)  in a5xx_preempt_hw_init()  argument
219 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in a5xx_preempt_hw_init()
224 	a5xx_gpu->cur_ring = gpu->rb[0];  in a5xx_preempt_hw_init()
227 	if (gpu->nr_rings == 1)  in a5xx_preempt_hw_init()
230 	for (i = 0; i < gpu->nr_rings; i++) {  in a5xx_preempt_hw_init()
235 		a5xx_gpu->preempt[i]->rbase = gpu->rb[i]->iova;  in a5xx_preempt_hw_init()
236 		a5xx_gpu->preempt[i]->rptr_addr = shadowptr(a5xx_gpu, gpu->rb[i]);  in a5xx_preempt_hw_init()
240 	gpu_write64(gpu, REG_A5XX_CP_CONTEXT_SWITCH_SMMU_INFO_LO, 0);  in a5xx_preempt_hw_init()
250 	struct msm_gpu *gpu = &adreno_gpu->base;  in preempt_init_ring()  local
256 	ptr = msm_gem_kernel_new(gpu->dev,  in preempt_init_ring()
258 		MSM_BO_WC | MSM_BO_MAP_PRIV, gpu->vm, &bo, &iova);  in preempt_init_ring()
264 	counters = msm_gem_kernel_new(gpu->dev,  in preempt_init_ring()
266 		MSM_BO_WC, gpu->vm, &counters_bo, &counters_iova);  in preempt_init_ring()
268 		msm_gem_kernel_put(bo, gpu->vm);  in preempt_init_ring()
292 void a5xx_preempt_fini(struct msm_gpu *gpu)  in a5xx_preempt_fini()  argument
294 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in a5xx_preempt_fini()
298 	for (i = 0; i < gpu->nr_rings; i++) {  in a5xx_preempt_fini()
299 		msm_gem_kernel_put(a5xx_gpu->preempt_bo[i], gpu->vm);  in a5xx_preempt_fini()
300 		msm_gem_kernel_put(a5xx_gpu->preempt_counters_bo[i], gpu->vm);  in a5xx_preempt_fini()
304 void a5xx_preempt_init(struct msm_gpu *gpu)  in a5xx_preempt_init()  argument
306 	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);  in a5xx_preempt_init()
311 	if (gpu->nr_rings <= 1)  in a5xx_preempt_init()
314 	for (i = 0; i < gpu->nr_rings; i++) {  in a5xx_preempt_init()
315 		if (preempt_init_ring(a5xx_gpu, gpu->rb[i])) {  in a5xx_preempt_init()
320 			a5xx_preempt_fini(gpu);  in a5xx_preempt_init()
321 			gpu->nr_rings = 1;  in a5xx_preempt_init()