hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

dma_buf: remove device parameter from attach callback v2 

The device parameter is completely unused because it is available in the
attachment structure as well.

v2: fix kerneldoc as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/226643/
This commit is contained in:
Christian König 2018-05-28 11:47:52 +02:00 committed by Christian König
parent 2227a7a219
commit a19741e5e5
10 changed files with 13 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/dma-buf/dma-buf.c
View File

@ -568,7 +568,7 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
mutex_lock(&dmabuf->lock);
if (dmabuf->ops->attach) {
ret = dmabuf->ops->attach(dmabuf, dev, attach);
ret = dmabuf->ops->attach(dmabuf, attach);
if (ret)
goto err_attach;
}

3
drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
View File

@ -127,7 +127,6 @@ error:
}
static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
struct device *target_dev,
struct dma_buf_attachment *attach)
{
struct drm_gem_object *obj = dma_buf->priv;
@ -135,7 +134,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
long r;
r = drm_gem_map_attach(dma_buf, target_dev, attach);
r = drm_gem_map_attach(dma_buf, attach);
if (r)
return r;

3
drivers/gpu/drm/drm_prime.c
View File

@ -186,7 +186,6 @@ static int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpri
/**
* drm_gem_map_attach - dma_buf attach implementation for GEM
* @dma_buf: buffer to attach device to
* @target_dev: not used
* @attach: buffer attachment data
*
* Allocates &drm_prime_attachment and calls &drm_driver.gem_prime_pin for
@ -195,7 +194,7 @@ static int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpri
*
* Returns 0 on success, negative error code on failure.
*/
int drm_gem_map_attach(struct dma_buf *dma_buf, struct device *target_dev,
int drm_gem_map_attach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach)
{
struct drm_prime_attachment *prime_attach;

1
drivers/gpu/drm/udl/udl_dmabuf.c
View File

@ -29,7 +29,6 @@ struct udl_drm_dmabuf_attachment {
};
static int udl_attach_dma_buf(struct dma_buf *dmabuf,
struct device *dev,
struct dma_buf_attachment *attach)
{
struct udl_drm_dmabuf_attachment *udl_attach;

1
drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
View File

@ -40,7 +40,6 @@
*/
static int vmw_prime_map_attach(struct dma_buf *dma_buf,
struct device *target_dev,
struct dma_buf_attachment *attach)
{
return -ENOSYS;

2
drivers/media/common/videobuf2/videobuf2-dma-contig.c
View File

@ -222,7 +222,7 @@ struct vb2_dc_attachment {
enum dma_data_direction dma_dir;
};
static int vb2_dc_dmabuf_ops_attach(struct dma_buf *dbuf, struct device *dev,
static int vb2_dc_dmabuf_ops_attach(struct dma_buf *dbuf,
struct dma_buf_attachment *dbuf_attach)
{
struct vb2_dc_attachment *attach;

2
drivers/media/common/videobuf2/videobuf2-dma-sg.c
View File

@ -371,7 +371,7 @@ struct vb2_dma_sg_attachment {
enum dma_data_direction dma_dir;
};
static int vb2_dma_sg_dmabuf_ops_attach(struct dma_buf *dbuf, struct device *dev,
static int vb2_dma_sg_dmabuf_ops_attach(struct dma_buf *dbuf,
struct dma_buf_attachment *dbuf_attach)
{
struct vb2_dma_sg_attachment *attach;

2
drivers/media/common/videobuf2/videobuf2-vmalloc.c
View File

@ -209,7 +209,7 @@ struct vb2_vmalloc_attachment {
enum dma_data_direction dma_dir;
};
static int vb2_vmalloc_dmabuf_ops_attach(struct dma_buf *dbuf, struct device *dev,
static int vb2_vmalloc_dmabuf_ops_attach(struct dma_buf *dbuf,
struct dma_buf_attachment *dbuf_attach)
{
struct vb2_vmalloc_attachment *attach;

2
include/drm/drm_prime.h
View File

@ -82,7 +82,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
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_map_attach(struct dma_buf *dma_buf, struct device *target_dev,
int drm_gem_map_attach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);
void drm_gem_map_detach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);

13
include/linux/dma-buf.h
View File

@ -55,11 +55,11 @@ struct dma_buf_ops {
* @attach:
*
* This is called from dma_buf_attach() to make sure that a given
* &device can access the provided &dma_buf. Exporters which support
* buffer objects in special locations like VRAM or device-specific
* carveout areas should check whether the buffer could be move to
* system memory (or directly accessed by the provided device), and
* otherwise need to fail the attach operation.
* &dma_buf_attachment.dev can access the provided &dma_buf. Exporters
* which support buffer objects in special locations like VRAM or
* device-specific carveout areas should check whether the buffer could
* be move to system memory (or directly accessed by the provided
* device), and otherwise need to fail the attach operation.
*
* The exporter should also in general check whether the current
* allocation fullfills the DMA constraints of the new device. If this
@ -77,8 +77,7 @@ struct dma_buf_ops {
* to signal that backing storage is already allocated and incompatible
* with the requirements of requesting device.
*/
int (*attach)(struct dma_buf *, struct device *,
struct dma_buf_attachment *);
int (*attach)(struct dma_buf *, struct dma_buf_attachment *);
/**
* @detach: