[PATCH 02/59] drm/gem: Unexport drm_gem_(un)pin/v(un)map

Daniel Vetter
2019-06-14T20:35:18Z

They're purely for internal use, not for drivers.

Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
drivers/gpu/drm/drm_gem.c | 32 --------------------------------
drivers/gpu/drm/drm_internal.h | 5 +++++
include/drm/drm_gem.h | 5 -----
3 files changed, 5 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 8a55f71325b1..a8c4468f03d9 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1216,15 +1216,6 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
obj->dev->driver->gem_print_info(p, indent, obj);
}

-/**
- * drm_gem_pin - Pin backing buffer in memory
- * @obj: GEM object
- *
- * Make sure the backing buffer is pinned in memory.
- *
- * Returns:
- * 0 on success or a negative error code on failure.
- */
int drm_gem_pin(struct drm_gem_object *obj)
{
if (obj->funcs && obj->funcs->pin)
@@ -1234,14 +1225,7 @@ int drm_gem_pin(struct drm_gem_object *obj)
else
return 0;
}
-EXPORT_SYMBOL(drm_gem_pin);

-/**
- * drm_gem_unpin - Unpin backing buffer from memory
- * @obj: GEM object
- *
- * Relax the requirement that the backing buffer is pinned in memory.
- */
void drm_gem_unpin(struct drm_gem_object *obj)
{
if (obj->funcs && obj->funcs->unpin)
@@ -1249,16 +1233,7 @@ void drm_gem_unpin(struct drm_gem_object *obj)
else if (obj->dev->driver->gem_prime_unpin)
obj->dev->driver->gem_prime_unpin(obj);
}
-EXPORT_SYMBOL(drm_gem_unpin);

-/**
- * drm_gem_vmap - Map buffer into kernel virtual address space
- * @obj: GEM object
- *
- * Returns:
- * A virtual pointer to a newly created GEM object or an ERR_PTR-encoded negative
- * error code on failure.
- */
void *drm_gem_vmap(struct drm_gem_object *obj)
{
void *vaddr;
@@ -1275,13 +1250,7 @@ void *drm_gem_vmap(struct drm_gem_object *obj)

return vaddr;
}
-EXPORT_SYMBOL(drm_gem_vmap);

-/**
- * drm_gem_vunmap - Remove buffer mapping from kernel virtual address space
- * @obj: GEM object
- * @vaddr: Virtual address (can be NULL)
- */
void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr)
{
if (!vaddr)
@@ -1292,7 +1261,6 @@ void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr)
else if (obj->dev->driver->gem_prime_vunmap)
obj->dev->driver->gem_prime_vunmap(obj, vaddr);
}
-EXPORT_SYMBOL(drm_gem_vunmap);

/**
* drm_gem_lock_reservations - Sets up the ww context and acquires
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index d18c7b91a1a8..51a2055c8f18 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -133,6 +133,11 @@ void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
const struct drm_gem_object *obj);

+int drm_gem_pin(struct drm_gem_object *obj);
+void drm_gem_unpin(struct drm_gem_object *obj);
+void *drm_gem_vmap(struct drm_gem_object *obj);
+void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
+
/* drm_debugfs.c drm_debugfs_crc.c */
#if defined(CONFIG_DEBUG_FS)
int drm_debugfs_init(struct drm_minor *minor, int minor_id,
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 5047c7ee25f5..a9121fe66ea2 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -401,9 +401,4 @@ int drm_gem_dumb_destroy(struct drm_file *file,
struct drm_device *dev,
uint32_t handle);

-int drm_gem_pin(struct drm_gem_object *obj);
-void drm_gem_unpin(struct drm_gem_object *obj);
-void *drm_gem_vmap(struct drm_gem_object *obj);
-void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
-
#endif /* __DRM_GEM_H__ */
--
2.20.1

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