1 files changed, 0 insertions, 401 deletions

diff --git a/mali-midgard-16.0/backend/gpu/mali_kbase_pm_metrics.c b/mali-midgard-16.0/backend/gpu/mali_kbase_pm_metrics.c
deleted file mode 100644
index 7613e1d..0000000
--- a/mali-midgard-16.0/backend/gpu/mali_kbase_pm_metrics.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/*
- *
- * (C) COPYRIGHT 2011-2016 ARM Limited. All rights reserved.
- *
- * This program is free software and is provided to you under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation, and any use by you of this program is subject to the terms
- * of such GNU licence.
- *
- * A copy of the licence is included with the program, and can also be obtained
- * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA  02110-1301, USA.
- *
- */
-
-
-
-
-
-/*
- * Metrics for power management
- */
-
-#include <mali_kbase.h>
-#include <mali_kbase_pm.h>
-#include <backend/gpu/mali_kbase_pm_internal.h>
-#include <backend/gpu/mali_kbase_jm_rb.h>
-
-/* When VSync is being hit aim for utilisation between 70-90% */
-#define KBASE_PM_VSYNC_MIN_UTILISATION          70
-#define KBASE_PM_VSYNC_MAX_UTILISATION          90
-/* Otherwise aim for 10-40% */
-#define KBASE_PM_NO_VSYNC_MIN_UTILISATION       10
-#define KBASE_PM_NO_VSYNC_MAX_UTILISATION       40
-
-/* Shift used for kbasep_pm_metrics_data.time_busy/idle - units of (1 << 8) ns
- * This gives a maximum period between samples of 2^(32+8)/100 ns = slightly
- * under 11s. Exceeding this will cause overflow */
-#define KBASE_PM_TIME_SHIFT			8
-
-/* Maximum time between sampling of utilization data, without resetting the
- * counters. */
-#define MALI_UTILIZATION_MAX_PERIOD 100000 /* ns = 100ms */
-
-#ifdef CONFIG_MALI_MIDGARD_DVFS
-static enum hrtimer_restart dvfs_callback(struct hrtimer *timer)
-{
-	unsigned long flags;
-	struct kbasep_pm_metrics_data *metrics;
-
-	KBASE_DEBUG_ASSERT(timer != NULL);
-
-	metrics = container_of(timer, struct kbasep_pm_metrics_data, timer);
-	kbase_pm_get_dvfs_action(metrics->kbdev);
-
-	spin_lock_irqsave(&metrics->lock, flags);
-
-	if (metrics->timer_active)
-		hrtimer_start(timer,
-			HR_TIMER_DELAY_MSEC(metrics->kbdev->pm.dvfs_period),
-			HRTIMER_MODE_REL);
-
-	spin_unlock_irqrestore(&metrics->lock, flags);
-
-	return HRTIMER_NORESTART;
-}
-#endif /* CONFIG_MALI_MIDGARD_DVFS */
-
-int kbasep_pm_metrics_init(struct kbase_device *kbdev)
-{
-	KBASE_DEBUG_ASSERT(kbdev != NULL);
-
-	kbdev->pm.backend.metrics.kbdev = kbdev;
-
-	kbdev->pm.backend.metrics.time_period_start = ktime_get();
-	kbdev->pm.backend.metrics.time_busy = 0;
-	kbdev->pm.backend.metrics.time_idle = 0;
-	kbdev->pm.backend.metrics.prev_busy = 0;
-	kbdev->pm.backend.metrics.prev_idle = 0;
-	kbdev->pm.backend.metrics.gpu_active = false;
-	kbdev->pm.backend.metrics.active_cl_ctx[0] = 0;
-	kbdev->pm.backend.metrics.active_cl_ctx[1] = 0;
-	kbdev->pm.backend.metrics.active_gl_ctx[0] = 0;
-	kbdev->pm.backend.metrics.active_gl_ctx[1] = 0;
-	kbdev->pm.backend.metrics.busy_cl[0] = 0;
-	kbdev->pm.backend.metrics.busy_cl[1] = 0;
-	kbdev->pm.backend.metrics.busy_gl = 0;
-
-	spin_lock_init(&kbdev->pm.backend.metrics.lock);
-
-#ifdef CONFIG_MALI_MIDGARD_DVFS
-	kbdev->pm.backend.metrics.timer_active = true;
-	hrtimer_init(&kbdev->pm.backend.metrics.timer, CLOCK_MONOTONIC,
-							HRTIMER_MODE_REL);
-	kbdev->pm.backend.metrics.timer.function = dvfs_callback;
-
-	hrtimer_start(&kbdev->pm.backend.metrics.timer,
-			HR_TIMER_DELAY_MSEC(kbdev->pm.dvfs_period),
-			HRTIMER_MODE_REL);
-#endif /* CONFIG_MALI_MIDGARD_DVFS */
-
-	return 0;
-}
-
-KBASE_EXPORT_TEST_API(kbasep_pm_metrics_init);
-
-void kbasep_pm_metrics_term(struct kbase_device *kbdev)
-{
-#ifdef CONFIG_MALI_MIDGARD_DVFS
-	unsigned long flags;
-
-	KBASE_DEBUG_ASSERT(kbdev != NULL);
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-	kbdev->pm.backend.metrics.timer_active = false;
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-
-	hrtimer_cancel(&kbdev->pm.backend.metrics.timer);
-#endif /* CONFIG_MALI_MIDGARD_DVFS */
-}
-
-KBASE_EXPORT_TEST_API(kbasep_pm_metrics_term);
-
-/* caller needs to hold kbdev->pm.backend.metrics.lock before calling this
- * function
- */
-static void kbase_pm_get_dvfs_utilisation_calc(struct kbase_device *kbdev,
-								ktime_t now)
-{
-	ktime_t diff;
-
-	lockdep_assert_held(&kbdev->pm.backend.metrics.lock);
-
-	diff = ktime_sub(now, kbdev->pm.backend.metrics.time_period_start);
-	if (ktime_to_ns(diff) < 0)
-		return;
-
-	if (kbdev->pm.backend.metrics.gpu_active) {
-		u32 ns_time = (u32) (ktime_to_ns(diff) >> KBASE_PM_TIME_SHIFT);
-
-		kbdev->pm.backend.metrics.time_busy += ns_time;
-		if (kbdev->pm.backend.metrics.active_cl_ctx[0])
-			kbdev->pm.backend.metrics.busy_cl[0] += ns_time;
-		if (kbdev->pm.backend.metrics.active_cl_ctx[1])
-			kbdev->pm.backend.metrics.busy_cl[1] += ns_time;
-		if (kbdev->pm.backend.metrics.active_gl_ctx[0])
-			kbdev->pm.backend.metrics.busy_gl += ns_time;
-		if (kbdev->pm.backend.metrics.active_gl_ctx[1])
-			kbdev->pm.backend.metrics.busy_gl += ns_time;
-	} else {
-		kbdev->pm.backend.metrics.time_idle += (u32) (ktime_to_ns(diff)
-							>> KBASE_PM_TIME_SHIFT);
-	}
-
-	kbdev->pm.backend.metrics.time_period_start = now;
-}
-
-#if defined(CONFIG_PM_DEVFREQ) || defined(CONFIG_MALI_MIDGARD_DVFS)
-/* Caller needs to hold kbdev->pm.backend.metrics.lock before calling this
- * function.
- */
-static void kbase_pm_reset_dvfs_utilisation_unlocked(struct kbase_device *kbdev,
-								ktime_t now)
-{
-	/* Store previous value */
-	kbdev->pm.backend.metrics.prev_idle =
-					kbdev->pm.backend.metrics.time_idle;
-	kbdev->pm.backend.metrics.prev_busy =
-					kbdev->pm.backend.metrics.time_busy;
-
-	/* Reset current values */
-	kbdev->pm.backend.metrics.time_period_start = now;
-	kbdev->pm.backend.metrics.time_idle = 0;
-	kbdev->pm.backend.metrics.time_busy = 0;
-	kbdev->pm.backend.metrics.busy_cl[0] = 0;
-	kbdev->pm.backend.metrics.busy_cl[1] = 0;
-	kbdev->pm.backend.metrics.busy_gl = 0;
-}
-
-void kbase_pm_reset_dvfs_utilisation(struct kbase_device *kbdev)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-	kbase_pm_reset_dvfs_utilisation_unlocked(kbdev, ktime_get());
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-}
-
-void kbase_pm_get_dvfs_utilisation(struct kbase_device *kbdev,
-		unsigned long *total_out, unsigned long *busy_out)
-{
-	ktime_t now = ktime_get();
-	unsigned long flags, busy, total;
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-	kbase_pm_get_dvfs_utilisation_calc(kbdev, now);
-
-	busy = kbdev->pm.backend.metrics.time_busy;
-	total = busy + kbdev->pm.backend.metrics.time_idle;
-
-	/* Reset stats if older than MALI_UTILIZATION_MAX_PERIOD (default
-	 * 100ms) */
-	if (total >= MALI_UTILIZATION_MAX_PERIOD) {
-		kbase_pm_reset_dvfs_utilisation_unlocked(kbdev, now);
-	} else if (total < (MALI_UTILIZATION_MAX_PERIOD / 2)) {
-		total += kbdev->pm.backend.metrics.prev_idle +
-				kbdev->pm.backend.metrics.prev_busy;
-		busy += kbdev->pm.backend.metrics.prev_busy;
-	}
-
-	*total_out = total;
-	*busy_out = busy;
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-}
-#endif
-
-#ifdef CONFIG_MALI_MIDGARD_DVFS
-
-/* caller needs to hold kbdev->pm.backend.metrics.lock before calling this
- * function
- */
-int kbase_pm_get_dvfs_utilisation_old(struct kbase_device *kbdev,
-					int *util_gl_share,
-					int util_cl_share[2],
-					ktime_t now)
-{
-	int utilisation;
-	int busy;
-
-	kbase_pm_get_dvfs_utilisation_calc(kbdev, now);
-
-	if (kbdev->pm.backend.metrics.time_idle +
-				kbdev->pm.backend.metrics.time_busy == 0) {
-		/* No data - so we return NOP */
-		utilisation = -1;
-		if (util_gl_share)
-			*util_gl_share = -1;
-		if (util_cl_share) {
-			util_cl_share[0] = -1;
-			util_cl_share[1] = -1;
-		}
-		goto out;
-	}
-
-	utilisation = (100 * kbdev->pm.backend.metrics.time_busy) /
-			(kbdev->pm.backend.metrics.time_idle +
-			 kbdev->pm.backend.metrics.time_busy);
-
-	busy = kbdev->pm.backend.metrics.busy_gl +
-		kbdev->pm.backend.metrics.busy_cl[0] +
-		kbdev->pm.backend.metrics.busy_cl[1];
-
-	if (busy != 0) {
-		if (util_gl_share)
-			*util_gl_share =
-				(100 * kbdev->pm.backend.metrics.busy_gl) /
-									busy;
-		if (util_cl_share) {
-			util_cl_share[0] =
-				(100 * kbdev->pm.backend.metrics.busy_cl[0]) /
-									busy;
-			util_cl_share[1] =
-				(100 * kbdev->pm.backend.metrics.busy_cl[1]) /
-									busy;
-		}
-	} else {
-		if (util_gl_share)
-			*util_gl_share = -1;
-		if (util_cl_share) {
-			util_cl_share[0] = -1;
-			util_cl_share[1] = -1;
-		}
-	}
-
-out:
-	return utilisation;
-}
-
-void kbase_pm_get_dvfs_action(struct kbase_device *kbdev)
-{
-	unsigned long flags;
-	int utilisation, util_gl_share;
-	int util_cl_share[2];
-	ktime_t now;
-
-	KBASE_DEBUG_ASSERT(kbdev != NULL);
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-
-	now = ktime_get();
-
-	utilisation = kbase_pm_get_dvfs_utilisation_old(kbdev, &util_gl_share,
-			util_cl_share, now);
-
-	if (utilisation < 0 || util_gl_share < 0 || util_cl_share[0] < 0 ||
-							util_cl_share[1] < 0) {
-		utilisation = 0;
-		util_gl_share = 0;
-		util_cl_share[0] = 0;
-		util_cl_share[1] = 0;
-		goto out;
-	}
-
-out:
-#ifdef CONFIG_MALI_MIDGARD_DVFS
-	kbase_platform_dvfs_event(kbdev, utilisation, util_gl_share,
-								util_cl_share);
-#endif				/*CONFIG_MALI_MIDGARD_DVFS */
-
-	kbase_pm_reset_dvfs_utilisation_unlocked(kbdev, now);
-
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-}
-
-bool kbase_pm_metrics_is_active(struct kbase_device *kbdev)
-{
-	bool isactive;
-	unsigned long flags;
-
-	KBASE_DEBUG_ASSERT(kbdev != NULL);
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-	isactive = kbdev->pm.backend.metrics.timer_active;
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-
-	return isactive;
-}
-KBASE_EXPORT_TEST_API(kbase_pm_metrics_is_active);
-
-#endif /* CONFIG_MALI_MIDGARD_DVFS */
-
-/**
- * kbase_pm_metrics_active_calc - Update PM active counts based on currently
- *                                running atoms
- * @kbdev: Device pointer
- *
- * The caller must hold kbdev->pm.backend.metrics.lock
- */
-static void kbase_pm_metrics_active_calc(struct kbase_device *kbdev)
-{
-	int js;
-
-	lockdep_assert_held(&kbdev->pm.backend.metrics.lock);
-
-	kbdev->pm.backend.metrics.active_gl_ctx[0] = 0;
-	kbdev->pm.backend.metrics.active_gl_ctx[1] = 0;
-	kbdev->pm.backend.metrics.active_cl_ctx[0] = 0;
-	kbdev->pm.backend.metrics.active_cl_ctx[1] = 0;
-	kbdev->pm.backend.metrics.gpu_active = false;
-
-	for (js = 0; js < BASE_JM_MAX_NR_SLOTS; js++) {
-		struct kbase_jd_atom *katom = kbase_gpu_inspect(kbdev, js, 0);
-
-		/* Head atom may have just completed, so if it isn't running
-		 * then try the next atom */
-		if (katom && katom->gpu_rb_state != KBASE_ATOM_GPU_RB_SUBMITTED)
-			katom = kbase_gpu_inspect(kbdev, js, 1);
-
-		if (katom && katom->gpu_rb_state ==
-				KBASE_ATOM_GPU_RB_SUBMITTED) {
-			if (katom->core_req & BASE_JD_REQ_ONLY_COMPUTE) {
-				int device_nr = (katom->core_req &
-					BASE_JD_REQ_SPECIFIC_COHERENT_GROUP)
-						? katom->device_nr : 0;
-				if (!WARN_ON(device_nr >= 2))
-					kbdev->pm.backend.metrics.
-						active_cl_ctx[device_nr] = 1;
-			} else {
-				/* Slot 2 should not be running non-compute
-				 * atoms */
-				if (!WARN_ON(js >= 2))
-					kbdev->pm.backend.metrics.
-						active_gl_ctx[js] = 1;
-			}
-			kbdev->pm.backend.metrics.gpu_active = true;
-		}
-	}
-}
-
-/* called when job is submitted to or removed from a GPU slot */
-void kbase_pm_metrics_update(struct kbase_device *kbdev, ktime_t *timestamp)
-{
-	unsigned long flags;
-	ktime_t now;
-
-	lockdep_assert_held(&kbdev->hwaccess_lock);
-
-	spin_lock_irqsave(&kbdev->pm.backend.metrics.lock, flags);
-
-	if (!timestamp) {
-		now = ktime_get();
-		timestamp = &now;
-	}
-
-	/* Track how long CL and/or GL jobs have been busy for */
-	kbase_pm_get_dvfs_utilisation_calc(kbdev, *timestamp);
-
-	kbase_pm_metrics_active_calc(kbdev);
-
-	spin_unlock_irqrestore(&kbdev->pm.backend.metrics.lock, flags);
-}