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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/armada/armada_gem.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/armada/armada_gem.h')
-rw-r--r--drivers/gpu/drm/armada/armada_gem.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/armada/armada_gem.h b/drivers/gpu/drm/armada/armada_gem.h
new file mode 100644
index 000000000..de04cc2c8
--- /dev/null
+++ b/drivers/gpu/drm/armada/armada_gem.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Russell King
+ */
+#ifndef ARMADA_GEM_H
+#define ARMADA_GEM_H
+
+#include <drm/drm_gem.h>
+
+/* GEM */
+struct armada_gem_object {
+ struct drm_gem_object obj;
+ void *addr;
+ phys_addr_t phys_addr;
+ resource_size_t dev_addr;
+ bool mapped;
+ struct drm_mm_node *linear; /* for linear backed */
+ struct page *page; /* for page backed */
+ struct sg_table *sgt; /* for imported */
+ void (*update)(void *);
+ void *update_data;
+};
+
+extern const struct vm_operations_struct armada_gem_vm_ops;
+
+#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
+
+void armada_gem_free_object(struct drm_gem_object *);
+int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
+void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
+struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
+ size_t);
+int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
+ struct drm_mode_create_dumb *);
+struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);
+struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
+ struct dma_buf *);
+int armada_gem_map_import(struct armada_gem_object *);
+
+static inline struct armada_gem_object *armada_gem_object_lookup(
+ struct drm_file *dfile, unsigned handle)
+{
+ struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
+
+ return obj ? drm_to_armada_gem(obj) : NULL;
+}
+#endif