VRAM MM is most likely be used with GEM VRAM. The latter now provides the
required instance of struct drm_vram_mm_funcs for drivers to use.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 14 ++++++++++++++
include/drm/drm_gem_vram_helper.h | 3 +++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index e5a0dcf97ba8..37979fb3062b 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -2,6 +2,7 @@
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_mode.h>
+#include <drm/drm_vram_mm_helper.h>
#include <drm/ttm/ttm_page_alloc.h>
/**
@@ -521,6 +522,19 @@ int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo,
}
EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access);
+/**
+ * drm_gem_vram_mm_funcs - Functions for &struct drm_vram_mm
+ *
+ * Most users of @struct drm_gem_vram_object will also use
+ * @struct drm_vram_mm. This instance of &struct drm_vram_mm_funcs
+ * can be used to connect both.
+ */
+const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs = {
+ .evict_flags = drm_gem_vram_bo_driver_evict_flags,
+ .verify_access = drm_gem_vram_bo_driver_verify_access
+};
+EXPORT_SYMBOL(drm_gem_vram_mm_funcs);
+
/*
* Helpers for struct drm_driver
*/
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 1eb42919b9fb..3f250f59eaa5 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -9,6 +9,7 @@
#include <linux/kernel.h> /* for container_of() */
struct drm_mode_create_dumb;
+struct drm_vram_mm_funcs;
struct filp;
#define DRM_GEM_VRAM_PL_FLAG_VRAM TTM_PL_FLAG_VRAM
@@ -107,6 +108,8 @@ void drm_gem_vram_bo_driver_evict_flags(struct ttm_buffer_object *bo,
int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo,
struct file *filp);
+extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs;
+
/*
* Helpers for struct drm_driver
*/
--
2.21.0
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