add mali driver r4p0

1 files changed, 100 insertions, 0 deletions

diff --git a/drivers/gpu/arm/midgard/mali_kbase_gpu_memory_debugfs.c b/drivers/gpu/arm/midgard/mali_kbase_gpu_memory_debugfs.c
new file mode 100755
index 00000000000..e2948b1b501
--- /dev/null
+++ b/drivers/gpu/arm/midgard/mali_kbase_gpu_memory_debugfs.c
@@ -0,0 +1,100 @@
+/*
+ *
+ * (C) COPYRIGHT 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.
+ *
+ */
+
+
+
+#include <mali_kbase_gpu_memory_debugfs.h>
+
+/** Show callback for the @c gpu_memory debugfs file.
+ *
+ * This function is called to get the contents of the @c gpu_memory debugfs
+ * file. This is a report of current gpu memory usage.
+ *
+ * @param sfile The debugfs entry
+ * @param data Data associated with the entry
+ *
+ * @return 0 if successfully prints data in debugfs entry file
+ *         -1 if it encountered an error
+ */
+
+static int kbasep_gpu_memory_seq_show(struct seq_file *sfile, void *data)
+{
+	ssize_t ret = 0;
+	struct list_head *entry;
+	const struct list_head *kbdev_list;
+	kbdev_list = kbase_dev_list_get();
+	list_for_each(entry, kbdev_list) {
+		struct kbase_device *kbdev = NULL;
+		kbasep_kctx_list_element *element;
+
+		kbdev = list_entry(entry, struct kbase_device, entry);
+		/* output the total memory usage and cap for this device */
+		ret = seq_printf(sfile, "%-16s  %10u\n", \
+				kbdev->devname, \
+				atomic_read(&(kbdev->memdev.used_pages)));
+		mutex_lock(&kbdev->kctx_list_lock);
+		list_for_each_entry(element, &kbdev->kctx_list, link) {
+			/* output the memory usage and cap for each kctx
+			* opened on this device */
+			ret = seq_printf(sfile, "  %s-0x%p %10u\n", \
+				"kctx",
+				element->kctx, \
+				atomic_read(&(element->kctx->used_pages)));
+		}
+		mutex_unlock(&kbdev->kctx_list_lock);
+	}
+	kbase_dev_list_put(kbdev_list);
+	return ret;
+}
+
+/*
+ *  File operations related to debugfs entry for gpu_memory
+ */
+STATIC int kbasep_gpu_memory_debugfs_open(struct inode *in, struct file *file)
+{
+	return single_open(file, kbasep_gpu_memory_seq_show , NULL);
+}
+
+static const struct file_operations kbasep_gpu_memory_debugfs_fops = {
+	.open = kbasep_gpu_memory_debugfs_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = seq_release_private,
+};
+
+/*
+ *  Initialize debugfs entry for gpu_memory
+ */
+mali_error kbasep_gpu_memory_debugfs_init(kbase_device *kbdev)
+{
+	kbdev->gpu_memory_dentry = debugfs_create_file("gpu_memory", \
+					S_IRUGO, \
+					kbdev->mali_debugfs_directory, \
+					NULL, \
+					&kbasep_gpu_memory_debugfs_fops);
+	if (IS_ERR(kbdev->gpu_memory_dentry))
+		return MALI_ERROR_FUNCTION_FAILED;
+
+	return MALI_ERROR_NONE;
+}
+
+/*
+ *  Terminate debugfs entry for gpu_memory
+ */
+void kbasep_gpu_memory_debugfs_term(kbase_device *kbdev)
+{
+	debugfs_remove(kbdev->gpu_memory_dentry);
+}
+