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drm: mark drm_context support as legacy

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This renames all drm-context helpers to drm_legacy_*() and moves the
internal definitions into the new drm_legacy.h header. This header is
local to DRM-core and drivers shouldn't access it.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann
2014-07-24 12:10:04 +02:00
parent e17280758c
commit e7b96070dd
7 changed files with 103 additions and 87 deletions
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76
drivers/gpu/drm/drm_context.c
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@@ -1,18 +1,13 @@
/**
* \file drm_context.c
* IOCTLs for generic contexts
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com
* Legacy: Generic DRM Contexts
*
* 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
@@ -33,14 +28,14 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* ChangeLog:
* 2001-11-16 Torsten Duwe <duwe@caldera.de>
* added context constructor/destructor hooks,
* needed by SiS driver's memory management.
*/
#include <drm/drmP.h>
#include "drm_legacy.h"
struct drm_ctx_list {
struct list_head head;
drm_context_t handle;
struct drm_file *tag;
};
/******************************************************************/
/** \name Context bitmap support */
@@ -56,7 +51,7 @@
* in drm_device::ctx_idr, while holding the drm_device::struct_mutex
* lock.
*/
void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
{
mutex_lock(&dev->struct_mutex);
idr_remove(&dev->ctx_idr, ctx_handle);
@@ -72,7 +67,7 @@ void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
* Allocate a new idr from drm_device::ctx_idr while holding the
* drm_device::struct_mutex lock.
*/
static int drm_ctxbitmap_next(struct drm_device * dev)
static int drm_legacy_ctxbitmap_next(struct drm_device * dev)
{
int ret;
@@ -90,7 +85,7 @@ static int drm_ctxbitmap_next(struct drm_device * dev)
*
* Initialise the drm_device::ctx_idr
*/
int drm_ctxbitmap_init(struct drm_device * dev)
int drm_legacy_ctxbitmap_init(struct drm_device * dev)
{
idr_init(&dev->ctx_idr);
return 0;
@@ -104,7 +99,7 @@ int drm_ctxbitmap_init(struct drm_device * dev)
* Free all idr members using drm_ctx_sarea_free helper function
* while holding the drm_device::struct_mutex lock.
*/
void drm_ctxbitmap_cleanup(struct drm_device * dev)
void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
{
mutex_lock(&dev->struct_mutex);
idr_destroy(&dev->ctx_idr);
@@ -120,7 +115,7 @@ void drm_ctxbitmap_cleanup(struct drm_device * dev)
* @file. Note that after this call returns, new contexts might be added if
* the file is still alive.
*/
void drm_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
{
struct drm_ctx_list *pos, *tmp;
@@ -132,7 +127,7 @@ void drm_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
if (dev->driver->context_dtor)
dev->driver->context_dtor(dev, pos->handle);
drm_ctxbitmap_free(dev, pos->handle);
drm_legacy_ctxbitmap_free(dev, pos->handle);
list_del(&pos->head);
kfree(pos);
}
@@ -159,8 +154,8 @@ void drm_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
* Gets the map from drm_device::ctx_idr with the handle specified and
* returns its handle.
*/
int drm_getsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_getsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_local_map *map;
@@ -203,8 +198,8 @@ int drm_getsareactx(struct drm_device *dev, void *data,
* Searches the mapping specified in \p arg and update the entry in
* drm_device::ctx_idr with it.
*/
int drm_setsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_setsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_local_map *map = NULL;
@@ -303,8 +298,8 @@ static int drm_context_switch_complete(struct drm_device *dev,
* \param arg user argument pointing to a drm_ctx_res structure.
* \return zero on success or a negative number on failure.
*/
int drm_resctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_resctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_res *res = data;
struct drm_ctx ctx;
@@ -334,16 +329,16 @@ int drm_resctx(struct drm_device *dev, void *data,
*
* Get a new handle for the context and copy to userspace.
*/
int drm_addctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_addctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_list *ctx_entry;
struct drm_ctx *ctx = data;
ctx->handle = drm_ctxbitmap_next(dev);
ctx->handle = drm_legacy_ctxbitmap_next(dev);
if (ctx->handle == DRM_KERNEL_CONTEXT) {
/* Skip kernel's context and get a new one. */
ctx->handle = drm_ctxbitmap_next(dev);
ctx->handle = drm_legacy_ctxbitmap_next(dev);
}
DRM_DEBUG("%d\n", ctx->handle);
if (ctx->handle == -1) {
@@ -378,7 +373,8 @@ int drm_addctx(struct drm_device *dev, void *data,
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*/
int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
int drm_legacy_getctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
@@ -399,8 +395,8 @@ int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
*
* Calls context_switch().
*/
int drm_switchctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_switchctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
@@ -419,8 +415,8 @@ int drm_switchctx(struct drm_device *dev, void *data,
*
* Calls context_switch_complete().
*/
int drm_newctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_newctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
@@ -441,8 +437,8 @@ int drm_newctx(struct drm_device *dev, void *data,
*
* If not the special kernel context, calls ctxbitmap_free() to free the specified context.
*/
int drm_rmctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
int drm_legacy_rmctx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx *ctx = data;
@@ -450,7 +446,7 @@ int drm_rmctx(struct drm_device *dev, void *data,
if (ctx->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_dtor)
dev->driver->context_dtor(dev, ctx->handle);
drm_ctxbitmap_free(dev, ctx->handle);
drm_legacy_ctxbitmap_free(dev, ctx->handle);
}
mutex_lock(&dev->ctxlist_mutex);