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drm/prime: Unexport helpers for fd/handle conversion 

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@suse.de>
Reviewed-by: Simon Ser <contact@emersion.fr>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230620080252.16368-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-06-20 09:59:59 +02:00
Родитель 71e801b9b4
Коммит 71a7974ac7
2 изменённых файлов: 15 добавлений и 25 удалений
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33
drivers/gpu/drm/drm_prime.c
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@ -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 @@ out_put:
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 @@ out_unlock:
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)
@ -866,9 +864,9 @@ 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)
@ -964,10 +962,9 @@ 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.

7
include/drm/drm_prime.h
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@ -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);