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path: root/drivers/gpu/drm/xe/xe_tile_sysfs.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_tile_sysfs.c')
-rw-r--r--drivers/gpu/drm/xe/xe_tile_sysfs.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_tile_sysfs.c b/drivers/gpu/drm/xe/xe_tile_sysfs.c
new file mode 100644
index 000000000000..9e1236a9ec67
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_tile_sysfs.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+#include <drm/drm_managed.h>
+
+#include "xe_pm.h"
+#include "xe_tile.h"
+#include "xe_tile_sysfs.h"
+#include "xe_vram_freq.h"
+
+static void xe_tile_sysfs_kobj_release(struct kobject *kobj)
+{
+ kfree(kobj);
+}
+
+static const struct kobj_type xe_tile_sysfs_kobj_type = {
+ .release = xe_tile_sysfs_kobj_release,
+ .sysfs_ops = &kobj_sysfs_ops,
+};
+
+static void tile_sysfs_fini(void *arg)
+{
+ struct xe_tile *tile = arg;
+
+ kobject_put(tile->sysfs);
+}
+
+int xe_tile_sysfs_init(struct xe_tile *tile)
+{
+ struct xe_device *xe = tile_to_xe(tile);
+ struct device *dev = xe->drm.dev;
+ struct kobj_tile *kt;
+ int err;
+
+ kt = kzalloc(sizeof(*kt), GFP_KERNEL);
+ if (!kt)
+ return -ENOMEM;
+
+ kobject_init(&kt->base, &xe_tile_sysfs_kobj_type);
+ kt->tile = tile;
+
+ err = kobject_add(&kt->base, &dev->kobj, "tile%d", tile->id);
+ if (err)
+ goto err_object;
+
+ tile->sysfs = &kt->base;
+
+ err = xe_vram_freq_sysfs_init(tile);
+ if (err)
+ goto err_object;
+
+ return devm_add_action_or_reset(xe->drm.dev, tile_sysfs_fini, tile);
+
+err_object:
+ kobject_put(&kt->base);
+ return err;
+}