drm/i915: Remove I915_USER_PRIORITY_SHIFT

As we do not have any internal priority levels, the priority can be set
directed from the user values.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210120121439.17600-2-chris@chris-wilson.co.ukSigned-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/display/intel_display.c

@@ -11382,9 +11382,7 @@ int
 intel_prepare_plane_fb(struct drm_plane *_plane,
 		       struct drm_plane_state *_new_plane_state)
 {
-	struct i915_sched_attr attr = {
-		.priority = I915_USER_PRIORITY(I915_PRIORITY_DISPLAY),
-	};
+	struct i915_sched_attr attr = { .priority = I915_PRIORITY_DISPLAY };
 	struct intel_plane *plane = to_intel_plane(_plane);
 	struct intel_plane_state *new_plane_state =
 		to_intel_plane_state(_new_plane_state);

drivers/gpu/drm/i915/gem/i915_gem_context.c

@@ -679,7 +679,7 @@ __create_context(struct drm_i915_private *i915)
 
 	kref_init(&ctx->ref);
 	ctx->i915 = i915;
-	ctx->sched.priority = I915_USER_PRIORITY(I915_PRIORITY_NORMAL);
+	ctx->sched.priority = I915_PRIORITY_NORMAL;
 	mutex_init(&ctx->mutex);
 	INIT_LIST_HEAD(&ctx->link);
 
@@ -1959,7 +1959,7 @@ static int set_priority(struct i915_gem_context *ctx,
 	    !capable(CAP_SYS_NICE))
 		return -EPERM;
 
-	ctx->sched.priority = I915_USER_PRIORITY(priority);
+	ctx->sched.priority = priority;
 	context_apply_all(ctx, __apply_priority, ctx);
 
 	return 0;
@@ -2463,7 +2463,7 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
 
 	case I915_CONTEXT_PARAM_PRIORITY:
 		args->size = 0;
-		args->value = ctx->sched.priority >> I915_USER_PRIORITY_SHIFT;
+		args->value = ctx->sched.priority;
 		break;
 
 	case I915_CONTEXT_PARAM_SSEU:

drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c

@@ -220,7 +220,7 @@ static int igt_fill_blt_thread(void *arg)
 			return PTR_ERR(ctx);
 
 		prio = i915_prandom_u32_max_state(I915_PRIORITY_MAX, prng);
-		ctx->sched.priority = I915_USER_PRIORITY(prio);
+		ctx->sched.priority = prio;
 	}
 
 	ce = i915_gem_context_get_engine(ctx, 0);
@@ -338,7 +338,7 @@ static int igt_copy_blt_thread(void *arg)
 			return PTR_ERR(ctx);
 
 		prio = i915_prandom_u32_max_state(I915_PRIORITY_MAX, prng);
-		ctx->sched.priority = I915_USER_PRIORITY(prio);
+		ctx->sched.priority = prio;
 	}
 
 	ce = i915_gem_context_get_engine(ctx, 0);

drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c

@@ -81,9 +81,7 @@ static void show_heartbeat(const struct i915_request *rq,
 
 static void heartbeat(struct work_struct *wrk)
 {
-	struct i915_sched_attr attr = {
-		.priority = I915_USER_PRIORITY(I915_PRIORITY_MIN),
-	};
+	struct i915_sched_attr attr = { .priority = I915_PRIORITY_MIN };
 	struct intel_engine_cs *engine =
 		container_of(wrk, typeof(*engine), heartbeat.work.work);
 	struct intel_context *ce = engine->kernel_context;
@@ -127,7 +125,7 @@ static void heartbeat(struct work_struct *wrk)
 			 */
 			attr.priority = 0;
 			if (rq->sched.attr.priority >= attr.priority)
-				attr.priority |= I915_USER_PRIORITY(I915_PRIORITY_HEARTBEAT);
+				attr.priority = I915_PRIORITY_HEARTBEAT;
 			if (rq->sched.attr.priority >= attr.priority)
 				attr.priority = I915_PRIORITY_BARRIER;
 
@@ -285,9 +283,7 @@ int intel_engine_pulse(struct intel_engine_cs *engine)
 
 int intel_engine_flush_barriers(struct intel_engine_cs *engine)
 {
-	struct i915_sched_attr attr = {
-		.priority = I915_USER_PRIORITY(I915_PRIORITY_MIN),
-	};
+	struct i915_sched_attr attr = { .priority = I915_PRIORITY_MIN };
 	struct intel_context *ce = engine->kernel_context;
 	struct i915_request *rq;
 	int err;

drivers/gpu/drm/i915/gt/selftest_execlists.c

@@ -321,7 +321,7 @@ static int live_unlite_switch(void *arg)
 
 static int live_unlite_preempt(void *arg)
 {
-	return live_unlite_restore(arg, I915_USER_PRIORITY(I915_PRIORITY_MAX));
+	return live_unlite_restore(arg, I915_PRIORITY_MAX);
 }
 
 static int live_unlite_ring(void *arg)
@@ -1311,9 +1311,7 @@ static int live_timeslice_queue(void *arg)
 		goto err_pin;
 
 	for_each_engine(engine, gt, id) {
-		struct i915_sched_attr attr = {
-			.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX),
-		};
+		struct i915_sched_attr attr = { .priority = I915_PRIORITY_MAX };
 		struct i915_request *rq, *nop;
 
 		if (!intel_engine_has_preemption(engine))
@@ -1528,14 +1526,12 @@ static int live_busywait_preempt(void *arg)
 	ctx_hi = kernel_context(gt->i915);
 	if (!ctx_hi)
 		return -ENOMEM;
-	ctx_hi->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MAX_USER_PRIORITY);
+	ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY;
 
 	ctx_lo = kernel_context(gt->i915);
 	if (!ctx_lo)
 		goto err_ctx_hi;
-	ctx_lo->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MIN_USER_PRIORITY);
+	ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY;
 
 	obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE);
 	if (IS_ERR(obj)) {
@@ -1732,14 +1728,12 @@ static int live_preempt(void *arg)
 	ctx_hi = kernel_context(gt->i915);
 	if (!ctx_hi)
 		goto err_spin_lo;
-	ctx_hi->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MAX_USER_PRIORITY);
+	ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY;
 
 	ctx_lo = kernel_context(gt->i915);
 	if (!ctx_lo)
 		goto err_ctx_hi;
-	ctx_lo->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MIN_USER_PRIORITY);
+	ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY;
 
 	for_each_engine(engine, gt, id) {
 		struct igt_live_test t;
@@ -1832,7 +1826,7 @@ static int live_late_preempt(void *arg)
 		goto err_ctx_hi;
 
 	/* Make sure ctx_lo stays before ctx_hi until we trigger preemption. */
-	ctx_lo->sched.priority = I915_USER_PRIORITY(1);
+	ctx_lo->sched.priority = 1;
 
 	for_each_engine(engine, gt, id) {
 		struct igt_live_test t;
@@ -1873,7 +1867,7 @@ static int live_late_preempt(void *arg)
 			goto err_wedged;
 		}
 
-		attr.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX);
+		attr.priority = I915_PRIORITY_MAX;
 		engine->schedule(rq, &attr);
 
 		if (!igt_wait_for_spinner(&spin_hi, rq)) {
@@ -1954,7 +1948,7 @@ static int live_nopreempt(void *arg)
 		return -ENOMEM;
 	if (preempt_client_init(gt, &b))
 		goto err_client_a;
-	b.ctx->sched.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX);
+	b.ctx->sched.priority = I915_PRIORITY_MAX;
 
 	for_each_engine(engine, gt, id) {
 		struct i915_request *rq_a, *rq_b;
@@ -2419,11 +2413,9 @@ static int live_preempt_cancel(void *arg)
 
 static int live_suppress_self_preempt(void *arg)
 {
+	struct i915_sched_attr attr = { .priority = I915_PRIORITY_MAX };
 	struct intel_gt *gt = arg;
 	struct intel_engine_cs *engine;
-	struct i915_sched_attr attr = {
-		.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX)
-	};
 	struct preempt_client a, b;
 	enum intel_engine_id id;
 	int err = -ENOMEM;
@@ -2554,9 +2546,7 @@ static int live_chain_preempt(void *arg)
 		goto err_client_hi;
 
 	for_each_engine(engine, gt, id) {
-		struct i915_sched_attr attr = {
-			.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX),
-		};
+		struct i915_sched_attr attr = { .priority = I915_PRIORITY_MAX };
 		struct igt_live_test t;
 		struct i915_request *rq;
 		int ring_size, count, i;
@@ -2975,9 +2965,7 @@ static int live_preempt_gang(void *arg)
 			return -EIO;
 
 		do {
-			struct i915_sched_attr attr = {
-				.priority = I915_USER_PRIORITY(prio++),
-			};
+			struct i915_sched_attr attr = { .priority = prio++ };
 
 			err = create_gang(engine, &rq);
 			if (err)
@@ -3013,7 +3001,7 @@ static int live_preempt_gang(void *arg)
 					drm_info_printer(engine->i915->drm.dev);
 
 				pr_err("Failed to flush chain of %d requests, at %d\n",
-				       prio, rq_prio(rq) >> I915_USER_PRIORITY_SHIFT);
+				       prio, rq_prio(rq));
 				intel_engine_dump(engine, &p,
 						  "%s\n", engine->name);
 
@@ -3383,14 +3371,12 @@ static int live_preempt_timeout(void *arg)
 	ctx_hi = kernel_context(gt->i915);
 	if (!ctx_hi)
 		goto err_spin_lo;
-	ctx_hi->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MAX_USER_PRIORITY);
+	ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY;
 
 	ctx_lo = kernel_context(gt->i915);
 	if (!ctx_lo)
 		goto err_ctx_hi;
-	ctx_lo->sched.priority =
-		I915_USER_PRIORITY(I915_CONTEXT_MIN_USER_PRIORITY);
+	ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY;
 
 	for_each_engine(engine, gt, id) {
 		unsigned long saved_timeout;

drivers/gpu/drm/i915/i915_priolist_types.h

@@ -24,9 +24,6 @@ enum {
 	I915_PRIORITY_DISPLAY,
 };
 
-#define I915_USER_PRIORITY_SHIFT 0
-#define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT)
-
 /* Smallest priority value that cannot be bumped. */
 #define I915_PRIORITY_INVALID (INT_MIN)
 

drivers/gpu/drm/i915/i915_scheduler.c

@@ -71,7 +71,6 @@ i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio)
 	lockdep_assert_held(&engine->active.lock);
 	assert_priolists(execlists);
 
-	prio >>= I915_USER_PRIORITY_SHIFT;
 	if (unlikely(execlists->no_priolist))
 		prio = I915_PRIORITY_NORMAL;