[PATCH v2 3/3] drm/prime: Unexport helpers for fd/handle conversion
Thomas Zimmermann
tzimmermann at suse.de
Tue Jun 20 07:59:59 UTC 2023
Unexport drm_gem_prime_fd_to_handle() and drm_gem_prime_handle_to_fd().
Both are only used internally within the PRIME code.
v2:
* reword docs as functions are now unexported (Simon)
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Reviewed-by: Simon Ser <contact at emersion.fr>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/drm_prime.c | 33 +++++++++++++++------------------
include/drm/drm_prime.h | 7 -------
2 files changed, 15 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 3d37ee4c4ea4f..63e2e1bc99876 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -278,7 +278,7 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf)
}
EXPORT_SYMBOL(drm_gem_dmabuf_release);
-/**
+/*
* drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers
* @dev: drm_device to import into
* @file_priv: drm file-private structure
@@ -292,9 +292,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release);
*
* Returns 0 on success or a negative error code on failure.
*/
-int drm_gem_prime_fd_to_handle(struct drm_device *dev,
- struct drm_file *file_priv, int prime_fd,
- uint32_t *handle)
+static int drm_gem_prime_fd_to_handle(struct drm_device *dev,
+ struct drm_file *file_priv, int prime_fd,
+ uint32_t *handle)
{
struct dma_buf *dma_buf;
struct drm_gem_object *obj;
@@ -360,7 +360,6 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
dma_buf_put(dma_buf);
return ret;
}
-EXPORT_SYMBOL(drm_gem_prime_fd_to_handle);
int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -409,7 +408,7 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev,
return dmabuf;
}
-/**
+/*
* drm_gem_prime_handle_to_fd - PRIME export function for GEM drivers
* @dev: dev to export the buffer from
* @file_priv: drm file-private structure
@@ -422,10 +421,10 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev,
* The actual exporting from GEM object to a dma-buf is done through the
* &drm_gem_object_funcs.export callback.
*/
-int drm_gem_prime_handle_to_fd(struct drm_device *dev,
- struct drm_file *file_priv, uint32_t handle,
- uint32_t flags,
- int *prime_fd)
+static int drm_gem_prime_handle_to_fd(struct drm_device *dev,
+ struct drm_file *file_priv, uint32_t handle,
+ uint32_t flags,
+ int *prime_fd)
{
struct drm_gem_object *obj;
int ret = 0;
@@ -507,7 +506,6 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
return ret;
}
-EXPORT_SYMBOL(drm_gem_prime_handle_to_fd);
int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -868,9 +866,9 @@ EXPORT_SYMBOL(drm_prime_get_contiguous_size);
* @obj: GEM object to export
* @flags: flags like DRM_CLOEXEC and DRM_RDWR
*
- * This is the implementation of the &drm_gem_object_funcs.export functions for GEM drivers
- * using the PRIME helpers. It is used as the default in
- * drm_gem_prime_handle_to_fd().
+ * This is the implementation of the &drm_gem_object_funcs.export functions
+ * for GEM drivers using the PRIME helpers. It is used as the default for
+ * drivers that do not set their own.
*/
struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
int flags)
@@ -966,10 +964,9 @@ EXPORT_SYMBOL(drm_gem_prime_import_dev);
* @dev: drm_device to import into
* @dma_buf: dma-buf object to import
*
- * This is the implementation of the gem_prime_import functions for GEM drivers
- * using the PRIME helpers. Drivers can use this as their
- * &drm_driver.gem_prime_import implementation. It is used as the default
- * implementation in drm_gem_prime_fd_to_handle().
+ * This is the implementation of the gem_prime_import functions for GEM
+ * drivers using the PRIME helpers. It is the default for drivers that do
+ * not set their own &drm_driver.gem_prime_import.
*
* Drivers must arrange to call drm_prime_gem_destroy() from their
* &drm_gem_object_funcs.free hook when using this function.
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 2a1d01e5b56b8..a7abf9f3e6972 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -60,19 +60,12 @@ enum dma_data_direction;
struct drm_device;
struct drm_gem_object;
-struct drm_file;
/* core prime functions */
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
struct dma_buf_export_info *exp_info);
void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
-int drm_gem_prime_fd_to_handle(struct drm_device *dev,
- struct drm_file *file_priv, int prime_fd, uint32_t *handle);
-int drm_gem_prime_handle_to_fd(struct drm_device *dev,
- struct drm_file *file_priv, uint32_t handle, uint32_t flags,
- int *prime_fd);
-
/* helper functions for exporting */
int drm_gem_map_attach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);
--
2.41.0
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