1 files changed, 131 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jm.c b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jm.c
new file mode 100755
index 0000000..0c5c6a6
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jm.c
@@ -0,0 +1,131 @@
+/*
+ *
+ * (C) COPYRIGHT 2014-2016 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.
+ *
+ */
+
+
+
+
+/*
+ * HW access job manager common APIs
+ */
+
+#include <mali_kbase.h>
+#include "mali_kbase_hwaccess_jm.h"
+#include "mali_kbase_jm.h"
+
+/**
+ * kbase_jm_next_job() - Attempt to run the next @nr_jobs_to_submit jobs on slot
+ *			 @js on the active context.
+ * @kbdev:		Device pointer
+ * @js:			Job slot to run on
+ * @nr_jobs_to_submit:	Number of jobs to attempt to submit
+ *
+ * Return: true if slot can still be submitted on, false if slot is now full.
+ */
+static bool kbase_jm_next_job(struct kbase_device *kbdev, int js,
+				int nr_jobs_to_submit)
+{
+	struct kbase_context *kctx;
+	int i;
+
+	kctx = kbdev->hwaccess.active_kctx;
+
+	if (!kctx)
+		return true;
+
+	for (i = 0; i < nr_jobs_to_submit; i++) {
+		struct kbase_jd_atom *katom = kbase_js_pull(kctx, js);
+
+		if (!katom)
+			return true; /* Context has no jobs on this slot */
+
+		kbase_backend_run_atom(kbdev, katom);
+	}
+
+	return false; /* Slot ringbuffer should now be full */
+}
+
+u32 kbase_jm_kick(struct kbase_device *kbdev, u32 js_mask)
+{
+	u32 ret_mask = 0;
+
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	while (js_mask) {
+		int js = ffs(js_mask) - 1;
+		int nr_jobs_to_submit = kbase_backend_slot_free(kbdev, js);
+
+		if (kbase_jm_next_job(kbdev, js, nr_jobs_to_submit))
+			ret_mask |= (1 << js);
+
+		js_mask &= ~(1 << js);
+	}
+
+	return ret_mask;
+}
+
+void kbase_jm_try_kick(struct kbase_device *kbdev, u32 js_mask)
+{
+	struct kbasep_js_device_data *js_devdata = &kbdev->js_data;
+
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	if (!down_trylock(&js_devdata->schedule_sem)) {
+		kbase_jm_kick(kbdev, js_mask);
+		up(&js_devdata->schedule_sem);
+	}
+}
+
+void kbase_jm_try_kick_all(struct kbase_device *kbdev)
+{
+	struct kbasep_js_device_data *js_devdata = &kbdev->js_data;
+
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	if (!down_trylock(&js_devdata->schedule_sem)) {
+		kbase_jm_kick_all(kbdev);
+		up(&js_devdata->schedule_sem);
+	}
+}
+
+void kbase_jm_idle_ctx(struct kbase_device *kbdev, struct kbase_context *kctx)
+{
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	if (kbdev->hwaccess.active_kctx == kctx)
+		kbdev->hwaccess.active_kctx = NULL;
+}
+
+struct kbase_jd_atom *kbase_jm_return_atom_to_js(struct kbase_device *kbdev,
+				struct kbase_jd_atom *katom)
+{
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	if (katom->event_code != BASE_JD_EVENT_STOPPED &&
+			katom->event_code != BASE_JD_EVENT_REMOVED_FROM_NEXT) {
+		return kbase_js_complete_atom(katom, NULL);
+	} else {
+		kbase_js_unpull(katom->kctx, katom);
+		return NULL;
+	}
+}
+
+struct kbase_jd_atom *kbase_jm_complete(struct kbase_device *kbdev,
+		struct kbase_jd_atom *katom, ktime_t *end_timestamp)
+{
+	lockdep_assert_held(&kbdev->hwaccess_lock);
+
+	return kbase_js_complete_atom(katom, end_timestamp);
+}
+