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path: root/drivers/gpu/drm/bochs/bochs_mm.c
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Diffstat (limited to 'drivers/gpu/drm/bochs/bochs_mm.c')
-rw-r--r--drivers/gpu/drm/bochs/bochs_mm.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c
new file mode 100644
index 000000000..1b74f530b
--- /dev/null
+++ b/drivers/gpu/drm/bochs/bochs_mm.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+#include "bochs.h"
+
+/* ---------------------------------------------------------------------- */
+
+int bochs_mm_init(struct bochs_device *bochs)
+{
+ struct drm_vram_mm *vmm;
+
+ vmm = drm_vram_helper_alloc_mm(bochs->dev, bochs->fb_base,
+ bochs->fb_size);
+ return PTR_ERR_OR_ZERO(vmm);
+}
+
+void bochs_mm_fini(struct bochs_device *bochs)
+{
+ if (!bochs->dev->vram_mm)
+ return;
+
+ drm_vram_helper_release_mm(bochs->dev);
+}