xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dma-buf: rename reservation_object to dma_resv

Browse Source 
Be more consistent with the naming of the other DMA-buf objects.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/323401/
This commit is contained in:
Christian König
2019-08-11 10:06:32 +02:00
parent 5d344f58da
commit 52791eeec1
104 changed files with 523 additions and 550 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/dma-buf/dma-buf.c
View File

@@ -21,7 +21,7 @@
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/poll.h>
#include <linux/reservation.h>
#include <linux/dma-resv.h>
#include <linux/mm.h>
#include <linux/mount.h>
#include <linux/pseudo_fs.h>
@@ -104,8 +104,8 @@ static int dma_buf_release(struct inode *inode, struct file *file)
list_del(&dmabuf->list_node);
mutex_unlock(&db_list.lock);
if (dmabuf->resv == (struct reservation_object *)&dmabuf[1])
reservation_object_fini(dmabuf->resv);
if (dmabuf->resv == (struct dma_resv *)&dmabuf[1])
dma_resv_fini(dmabuf->resv);
module_put(dmabuf->owner);
kfree(dmabuf);
@@ -165,7 +165,7 @@ static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence)
* To support cross-device and cross-driver synchronization of buffer access
* implicit fences (represented internally in the kernel with &struct fence) can
* be attached to a &dma_buf. The glue for that and a few related things are
* provided in the &reservation_object structure.
* provided in the &dma_resv structure.
*
* Userspace can query the state of these implicitly tracked fences using poll()
* and related system calls:
@@ -195,8 +195,8 @@ static void dma_buf_poll_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
static __poll_t dma_buf_poll(struct file *file, poll_table *poll)
{
struct dma_buf *dmabuf;
struct reservation_object *resv;
struct reservation_object_list *fobj;
struct dma_resv *resv;
struct dma_resv_list *fobj;
struct dma_fence *fence_excl;
__poll_t events;
unsigned shared_count;
@@ -214,7 +214,7 @@ static __poll_t dma_buf_poll(struct file *file, poll_table *poll)
return 0;
rcu_read_lock();
reservation_object_fences(resv, &fence_excl, &fobj, &shared_count);
dma_resv_fences(resv, &fence_excl, &fobj, &shared_count);
if (fence_excl && (!(events & EPOLLOUT) || shared_count == 0)) {
struct dma_buf_poll_cb_t *dcb = &dmabuf->cb_excl;
__poll_t pevents = EPOLLIN;
@@ -493,13 +493,13 @@ err_alloc_file:
struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
{
struct dma_buf *dmabuf;
struct reservation_object *resv = exp_info->resv;
struct dma_resv *resv = exp_info->resv;
struct file *file;
size_t alloc_size = sizeof(struct dma_buf);
int ret;
if (!exp_info->resv)
alloc_size += sizeof(struct reservation_object);
alloc_size += sizeof(struct dma_resv);
else
/* prevent &dma_buf[1] == dma_buf->resv */
alloc_size += 1;
@@ -531,8 +531,8 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
dmabuf->cb_excl.active = dmabuf->cb_shared.active = 0;
if (!resv) {
resv = (struct reservation_object *)&dmabuf[1];
reservation_object_init(resv);
resv = (struct dma_resv *)&dmabuf[1];
dma_resv_init(resv);
}
dmabuf->resv = resv;
@@ -896,11 +896,11 @@ static int __dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
{
bool write = (direction == DMA_BIDIRECTIONAL ||
direction == DMA_TO_DEVICE);
struct reservation_object *resv = dmabuf->resv;
struct dma_resv *resv = dmabuf->resv;
long ret;
/* Wait on any implicit rendering fences */
ret = reservation_object_wait_timeout_rcu(resv, write, true,
ret = dma_resv_wait_timeout_rcu(resv, write, true,
MAX_SCHEDULE_TIMEOUT);
if (ret < 0)
return ret;
@@ -1141,8 +1141,8 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
int ret;
struct dma_buf *buf_obj;
struct dma_buf_attachment *attach_obj;
struct reservation_object *robj;
struct reservation_object_list *fobj;
struct dma_resv *robj;
struct dma_resv_list *fobj;
struct dma_fence *fence;
int count = 0, attach_count, shared_count, i;
size_t size = 0;
@@ -1175,7 +1175,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
robj = buf_obj->resv;
rcu_read_lock();
reservation_object_fences(robj, &fence, &fobj, &shared_count);
dma_resv_fences(robj, &fence, &fobj, &shared_count);
rcu_read_unlock();
if (fence)