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drm/shmem-helper: Removed drm_gem_shmem_create_object_cached() 

Cached page mappings are now the default for SHMEM GEM objects. Remove
the obsolete create function for cached mappings.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117133156.26822-3-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2020-11-17 14:31:56 +01:00
parent 0cf2ef46c6
commit 2f04636f49
5 changed files with 0 additions and 33 deletions
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26
drivers/gpu/drm/drm_gem_shmem_helper.c
View File

@ -479,32 +479,6 @@ bool drm_gem_shmem_purge(struct drm_gem_object *obj)
}
EXPORT_SYMBOL(drm_gem_shmem_purge);
/**
* drm_gem_shmem_create_object_cached - Create a shmem buffer object with
* cached mappings
* @dev: DRM device
* @size: Size of the object to allocate
*
* By default, shmem buffer objects use writecombine mappings. This
* function implements struct drm_driver.gem_create_object for shmem
* buffer objects with cached mappings.
*
* Returns:
* A struct drm_gem_shmem_object * on success or NULL negative on failure.
*/
struct drm_gem_object *
drm_gem_shmem_create_object_cached(struct drm_device *dev, size_t size)
{
struct drm_gem_shmem_object *shmem;
shmem = kzalloc(sizeof(*shmem), GFP_KERNEL);
if (!shmem)
return NULL;
return &shmem->base;
}
EXPORT_SYMBOL(drm_gem_shmem_create_object_cached);
/**
* drm_gem_shmem_dumb_create - Create a dumb shmem buffer object
* @file: DRM file structure to create the dumb buffer for

1
drivers/gpu/drm/mgag200/mgag200_drv.c
View File

@ -37,7 +37,6 @@ static const struct drm_driver mgag200_driver = {
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.gem_create_object = drm_gem_shmem_create_object_cached,
DRM_GEM_SHMEM_DRIVER_OPS,
};

2
drivers/gpu/drm/udl/udl_drv.c
View File

@ -38,8 +38,6 @@ static const struct drm_driver driver = {
.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
/* GEM hooks */
.gem_create_object = drm_gem_shmem_create_object_cached,
.fops = &udl_driver_fops,
DRM_GEM_SHMEM_DRIVER_OPS,

1
drivers/gpu/drm/vkms/vkms_drv.c
View File

@ -82,7 +82,6 @@ static const struct drm_driver vkms_driver = {
.driver_features = DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,
.release = vkms_release,
.fops = &vkms_driver_fops,
.gem_create_object = drm_gem_shmem_create_object_cached,
DRM_GEM_SHMEM_DRIVER_OPS,
.name = DRIVER_NAME,

3
include/drm/drm_gem_shmem_helper.h
View File

@ -133,9 +133,6 @@ drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
struct drm_device *dev, size_t size,
uint32_t *handle);
struct drm_gem_object *
drm_gem_shmem_create_object_cached(struct drm_device *dev, size_t size);
int drm_gem_shmem_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args);