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drm: rip out drm_core_has_AGP

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Most place actually want to just check for dev->agp (most do, but a
few don't so this fixes a few potential NULL derefs). The only
exception is the agp init code which should check for the AGP driver
feature flag.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter 2013-12-11 11:34:35 +01:00 committed by Dave Airlie
parent 8da79ccd1a
commit d9906753bb
7 changed files with 11 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/drm_agpsupport.c
View File

@ -439,7 +439,7 @@ void drm_agp_clear(struct drm_device *dev)
{
struct drm_agp_mem *entry, *tempe;
if (!drm_core_has_AGP(dev) || !dev->agp)
if (!dev->agp)
return;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;

4
drivers/gpu/drm/drm_bufs.c
View File

@ -261,7 +261,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
struct drm_agp_mem *entry;
int valid = 0;
if (!drm_core_has_AGP(dev)) {
if (!dev->agp) {
kfree(map);
return -EINVAL;
}
@ -1390,7 +1390,7 @@ int drm_mapbufs(struct drm_device *dev, void *data,
spin_unlock(&dev->count_lock);
if (request->count >= dma->buf_count) {
if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP))
if ((dev->agp && (dma->flags & _DRM_DMA_USE_AGP))
|| (drm_core_check_feature(dev, DRIVER_SG)
&& (dma->flags & _DRM_DMA_USE_SG))) {
struct drm_local_map *map = dev->agp_buffer_map;

9
drivers/gpu/drm/drm_memory.c
View File

@ -110,8 +110,7 @@ static inline void *agp_remap(unsigned long offset, unsigned long size,
void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
{
if (drm_core_has_AGP(dev) &&
dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
map->handle = agp_remap(map->offset, map->size, dev);
else
map->handle = ioremap(map->offset, map->size);
@ -120,8 +119,7 @@ EXPORT_SYMBOL(drm_core_ioremap);
void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
{
if (drm_core_has_AGP(dev) &&
dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
map->handle = agp_remap(map->offset, map->size, dev);
else
map->handle = ioremap_wc(map->offset, map->size);
@ -133,8 +131,7 @@ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
if (!map->handle || !map->size)
return;
if (drm_core_has_AGP(dev) &&
dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
vunmap(map->handle);
else
iounmap(map->handle);

4
drivers/gpu/drm/drm_pci.c
View File

@ -264,7 +264,7 @@ static int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
static void drm_pci_agp_init(struct drm_device *dev)
{
if (drm_core_has_AGP(dev)) {
if (drm_core_check_feature(dev, DRIVER_USE_AGP)) {
if (drm_pci_device_is_agp(dev))
dev->agp = drm_agp_init(dev);
if (dev->agp) {
@ -278,7 +278,7 @@ static void drm_pci_agp_init(struct drm_device *dev)
static void drm_pci_agp_destroy(struct drm_device *dev)
{
if (drm_core_has_AGP(dev) && dev->agp) {
if (dev->agp) {
arch_phys_wc_del(dev->agp->agp_mtrr);
drm_agp_clear(dev);
drm_agp_destroy(dev->agp);

4
drivers/gpu/drm/drm_vm.c
View File

@ -101,7 +101,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/*
* Find the right map
*/
if (!drm_core_has_AGP(dev))
if (!dev->agp)
goto vm_fault_error;
if (!dev->agp || !dev->agp->cant_use_aperture)
@ -592,7 +592,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
switch (map->type) {
#if !defined(__arm__)
case _DRM_AGP:
if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
if (dev->agp && dev->agp->cant_use_aperture) {
/*
* On some platforms we can't talk to bus dma address from the CPU, so for
* memory of type DRM_AGP, we'll deal with sorting out the real physical

2
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -142,7 +142,7 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) {
if (!rdev->ddev->agp) {
DRM_ERROR("AGP is not enabled for memory type %u\n",
(unsigned)type);
return -EINVAL;

12
include/drm/drm_agpsupport.h
View File

@ -46,12 +46,6 @@ int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
static inline int drm_core_has_AGP(struct drm_device *dev)
{
return drm_core_check_feature(dev, DRIVER_USE_AGP);
}
#else /* __OS_HAS_AGP */
static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages)
@ -183,12 +177,6 @@ static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
{
return -ENODEV;
}
static inline int drm_core_has_AGP(struct drm_device *dev)
{
return 0;
}
#endif /* __OS_HAS_AGP */
#endif /* _DRM_AGPSUPPORT_H_ */