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

drm: mark drm_buf and drm_map as legacy

Browse Source 
Move internal declarations to drm_legacy.h and add drm_legacy_*() prefix
to all legacy functions.

[airlied: add a bit of an explaination to drm_legacy.h]

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
David Herrmann
2014-08-29 12:12:28 +02:00
committed by Dave Airlie
parent 9f50bd8905
commit 9fc5cde7fb
12 changed files with 136 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
drivers/gpu/drm/drm_bufs.c
View File

@@ -1,18 +1,13 @@
/**
* \file drm_bufs.c
* Generic buffer template
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
* Legacy: Generic DRM Buffer Management
*
* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Author: Rickard E. (Rik) Faith <faith@valinux.com>
* Author: Gareth Hughes <gareth@valinux.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
@@ -39,6 +34,7 @@
#include <linux/export.h>
#include <asm/shmparam.h>
#include <drm/drmP.h>
#include "drm_legacy.h"
static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
struct drm_local_map *map)
@@ -365,9 +361,9 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
return 0;
}
int drm_addmap(struct drm_device * dev, resource_size_t offset,
unsigned int size, enum drm_map_type type,
enum drm_map_flags flags, struct drm_local_map ** map_ptr)
int drm_legacy_addmap(struct drm_device * dev, resource_size_t offset,
unsigned int size, enum drm_map_type type,
enum drm_map_flags flags, struct drm_local_map **map_ptr)
{
struct drm_map_list *list;
int rc;
@@ -377,8 +373,7 @@ int drm_addmap(struct drm_device * dev, resource_size_t offset,
*map_ptr = list->map;
return rc;
}
EXPORT_SYMBOL(drm_addmap);
EXPORT_SYMBOL(drm_legacy_addmap);
/**
* Ioctl to specify a range of memory that is available for mapping by a
@@ -391,8 +386,8 @@ EXPORT_SYMBOL(drm_addmap);
* \return zero on success or a negative value on error.
*
*/
int drm_addmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_addmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_map *map = data;
struct drm_map_list *maplist;
@@ -429,9 +424,9 @@ int drm_addmap_ioctl(struct drm_device *dev, void *data,
* its being used, and free any associate resource (such as MTRR's) if it's not
* being on use.
*
* \sa drm_addmap
* \sa drm_legacy_addmap
*/
int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
{
struct drm_map_list *r_list = NULL, *list_t;
drm_dma_handle_t dmah;
@@ -485,19 +480,19 @@ int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
return 0;
}
EXPORT_SYMBOL(drm_rmmap_locked);
EXPORT_SYMBOL(drm_legacy_rmmap_locked);
int drm_rmmap(struct drm_device *dev, struct drm_local_map *map)
int drm_legacy_rmmap(struct drm_device *dev, struct drm_local_map *map)
{
int ret;
mutex_lock(&dev->struct_mutex);
ret = drm_rmmap_locked(dev, map);
ret = drm_legacy_rmmap_locked(dev, map);
mutex_unlock(&dev->struct_mutex);
return ret;
}
EXPORT_SYMBOL(drm_rmmap);
EXPORT_SYMBOL(drm_legacy_rmmap);
/* The rmmap ioctl appears to be unnecessary. All mappings are torn down on
* the last close of the device, and this is necessary for cleanup when things
@@ -514,8 +509,8 @@ EXPORT_SYMBOL(drm_rmmap);
* \param arg pointer to a struct drm_map structure.
* \return zero on success or a negative value on error.
*/
int drm_rmmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_rmmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_map *request = data;
struct drm_local_map *map = NULL;
@@ -546,7 +541,7 @@ int drm_rmmap_ioctl(struct drm_device *dev, void *data,
return 0;
}
ret = drm_rmmap_locked(dev, map);
ret = drm_legacy_rmmap_locked(dev, map);
mutex_unlock(&dev->struct_mutex);
@@ -599,7 +594,8 @@ static void drm_cleanup_buf_error(struct drm_device * dev,
* reallocates the buffer list of the same size order to accommodate the new
* buffers.
*/
int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
int drm_legacy_addbufs_agp(struct drm_device *dev,
struct drm_buf_desc *request)
{
struct drm_device_dma *dma = dev->dma;
struct drm_buf_entry *entry;
@@ -759,10 +755,11 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
atomic_dec(&dev->buf_alloc);
return 0;
}
EXPORT_SYMBOL(drm_addbufs_agp);
EXPORT_SYMBOL(drm_legacy_addbufs_agp);
#endif /* __OS_HAS_AGP */
int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
int drm_legacy_addbufs_pci(struct drm_device *dev,
struct drm_buf_desc *request)
{
struct drm_device_dma *dma = dev->dma;
int count;
@@ -964,9 +961,10 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
return 0;
}
EXPORT_SYMBOL(drm_addbufs_pci);
EXPORT_SYMBOL(drm_legacy_addbufs_pci);
static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request)
static int drm_legacy_addbufs_sg(struct drm_device *dev,
struct drm_buf_desc *request)
{
struct drm_device_dma *dma = dev->dma;
struct drm_buf_entry *entry;
@@ -1135,8 +1133,8 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
* addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent
* PCI memory respectively.
*/
int drm_addbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_addbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_buf_desc *request = data;
int ret;
@@ -1149,15 +1147,15 @@ int drm_addbufs(struct drm_device *dev, void *data,
#if __OS_HAS_AGP
if (request->flags & _DRM_AGP_BUFFER)
ret = drm_addbufs_agp(dev, request);
ret = drm_legacy_addbufs_agp(dev, request);
else
#endif
if (request->flags & _DRM_SG_BUFFER)
ret = drm_addbufs_sg(dev, request);
ret = drm_legacy_addbufs_sg(dev, request);
else if (request->flags & _DRM_FB_BUFFER)
ret = -EINVAL;
else
ret = drm_addbufs_pci(dev, request);
ret = drm_legacy_addbufs_pci(dev, request);
return ret;
}
@@ -1179,8 +1177,8 @@ int drm_addbufs(struct drm_device *dev, void *data,
* lock, preventing of allocating more buffers after this call. Information
* about each requested buffer is then copied into user space.
*/
int drm_infobufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_infobufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
struct drm_buf_info *request = data;
@@ -1260,8 +1258,8 @@ int drm_infobufs(struct drm_device *dev, void *data,
*
* \note This ioctl is deprecated and mostly never used.
*/
int drm_markbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_markbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
struct drm_buf_desc *request = data;
@@ -1307,8 +1305,8 @@ int drm_markbufs(struct drm_device *dev, void *data,
* Calls free_buffer() for each used buffer.
* This function is primarily used for debugging.
*/
int drm_freebufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_freebufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
struct drm_buf_free *request = data;
@@ -1360,8 +1358,8 @@ int drm_freebufs(struct drm_device *dev, void *data,
* offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
* drm_mmap_dma().
*/
int drm_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
int retcode = 0;
@@ -1448,7 +1446,7 @@ int drm_mapbufs(struct drm_device *dev, void *data,
return retcode;
}
int drm_dma_ioctl(struct drm_device *dev, void *data,
int drm_legacy_dma_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
if (drm_core_check_feature(dev, DRIVER_MODESET))
@@ -1460,7 +1458,7 @@ int drm_dma_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
}
struct drm_local_map *drm_getsarea(struct drm_device *dev)
struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev)
{
struct drm_map_list *entry;
@@ -1472,4 +1470,4 @@ struct drm_local_map *drm_getsarea(struct drm_device *dev)
}
return NULL;
}
EXPORT_SYMBOL(drm_getsarea);
EXPORT_SYMBOL(drm_legacy_getsarea);