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Don't ioremap the framebuffer area. The ioremapped area wasn't used by

Browse source 
anything, and took up valuable KVA. While I'm in the area, clean up BSD
    MTRR stuff some more.
Suggested by: jonsmirl
This commit is contained in:
Eric Anholt 2003-12-16 08:57:08 +00:00
parent 5285b02987
commit 9fb6986e83
22 changed files with 74 additions and 134 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
bsd-core/drmP.h
View file

@ -267,7 +267,7 @@ typedef struct drm_agp_head {
int enabled;
int acquired;
unsigned long base;
int agp_mtrr;
int mtrr;
int cant_use_aperture;
unsigned long page_mask;
} drm_agp_head_t;
@ -287,7 +287,7 @@ typedef struct drm_local_map {
drm_map_flags_t flags; /* Flags */
void *handle; /* User-space: "Handle" to pass to mmap */
/* Kernel-space: kernel-virtual address */
int mtrr; /* MTRR slot used */
int mtrr; /* Boolean: MTRR used */
/* Private data */
bus_space_tag_t iot;
bus_space_handle_t ioh;

37
bsd-core/drm_bufs.c
View file

@ -87,7 +87,7 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
map->size = request.size;
map->type = request.type;
map->flags = request.flags;
map->mtrr = -1;
map->mtrr = 0;
map->handle = 0;
/* Only allow shared memory to be removable since we only keep enough
@ -104,28 +104,23 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
return DRM_ERR(EINVAL);
}
switch ( map->type ) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
if (map->offset + map->size < map->offset) {
DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
return DRM_ERR(EINVAL);
}
#if __REALLY_HAVE_MTRR
if ( map->type == _DRM_FRAME_BUFFER ||
(map->flags & _DRM_WRITE_COMBINING) ) {
int mtrr;
mtrr = DRM(mtrr_add)(map->offset, map->size,
DRM_MTRR_WC);
if (mtrr == 0)
map->mtrr = 1;
}
#endif /* __REALLY_HAVE_MTRR */
switch ( map->type ) {
case _DRM_REGISTERS:
DRM_IOREMAP(map, dev);
if (!(map->flags & _DRM_WRITE_COMBINING))
break;
/* FALLTHROUGH */
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if (DRM(mtrr_add)(map->offset, map->size, DRM_MTRR_WC) == 0)
map->mtrr = 1;
#endif
break;
case _DRM_SHM:
map->handle = (void *)DRM(alloc)(map->size, DRM_MEM_SAREA);
DRM_DEBUG( "%lu %d %p\n",
@ -152,7 +147,7 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
#if __REALLY_HAVE_AGP
case _DRM_AGP:
map->offset += dev->agp->base;
map->mtrr = dev->agp->agp_mtrr; /* for getmap */
map->mtrr = dev->agp->mtrr; /* for getmap */
break;
#endif
case _DRM_SCATTER_GATHER:
@ -231,12 +226,12 @@ int DRM(rmmap)( DRM_IOCTL_ARGS )
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if (map->mtrr >= 0) {
int __unused mtrr;
if (map->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(map->offset, map->size,
retcode = DRM(mtrr_del)(map->offset, map->size,
DRM_MTRR_WC);
DRM_DEBUG("mtrr_del = %d\n", mtrr);
DRM_DEBUG("mtrr_del = %d\n", retcode);
}
#endif
DRM(ioremapfree)(map);

28
bsd-core/drm_drv.c
View file

@ -565,17 +565,18 @@ static int DRM(takedown)( drm_device_t *dev )
map = list->map;
switch ( map->type ) {
case _DRM_REGISTERS:
DRM(ioremapfree)(map);
/* FALLTHROUGH */
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if ( map->mtrr >= 0 ) {
int __unused mtrr;
if (map->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(map->offset,
retcode = DRM(mtrr_del)(map->offset,
map->size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del=%d\n", mtrr);
DRM_DEBUG("mtrr_del = %d", retcode);
}
#endif
DRM(ioremapfree)( map );
break;
case _DRM_SHM:
DRM(free)(map->handle,
@ -679,12 +680,9 @@ static int DRM(init)( device_t nbdev )
#endif /* __MUST_HAVE_AGP */
#if __REALLY_HAVE_MTRR
if (dev->agp) {
int retcode;
retcode = DRM(mtrr_add)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
if (retcode == 0)
dev->agp->agp_mtrr=1;
if (DRM(mtrr_add)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
dev->agp->mtrr = 1;
}
#endif /* __REALLY_HAVE_MTRR */
#endif /* __REALLY_HAVE_AGP */
@ -742,12 +740,12 @@ static void DRM(cleanup)(drm_device_t *dev)
#endif
#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
if ( dev->agp && dev->agp->agp_mtrr >= 0) {
int __unused mtrr;
if (dev->agp && dev->agp->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(dev->agp->info.ai_aperture_base,
retcode = DRM(mtrr_del)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del=%d\n", mtrr);
DRM_DEBUG("mtrr_del = %d", retcode);
}
#endif

2
bsd-core/drm_sysctl.c
View file

@ -192,7 +192,7 @@ static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
else
type = types[map->type];
if (map->mtrr <= 0)
if (!map->mtrr)
yesno = "no";
else
yesno = "yes";

4
bsd/drmP.h
View file

@ -267,7 +267,7 @@ typedef struct drm_agp_head {
int enabled;
int acquired;
unsigned long base;
int agp_mtrr;
int mtrr;
int cant_use_aperture;
unsigned long page_mask;
} drm_agp_head_t;
@ -287,7 +287,7 @@ typedef struct drm_local_map {
drm_map_flags_t flags; /* Flags */
void *handle; /* User-space: "Handle" to pass to mmap */
/* Kernel-space: kernel-virtual address */
int mtrr; /* MTRR slot used */
int mtrr; /* Boolean: MTRR used */
/* Private data */
bus_space_tag_t iot;
bus_space_handle_t ioh;

37
bsd/drm_bufs.h
View file

@ -87,7 +87,7 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
map->size = request.size;
map->type = request.type;
map->flags = request.flags;
map->mtrr = -1;
map->mtrr = 0;
map->handle = 0;
/* Only allow shared memory to be removable since we only keep enough
@ -104,28 +104,23 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
return DRM_ERR(EINVAL);
}
switch ( map->type ) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
if (map->offset + map->size < map->offset) {
DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
return DRM_ERR(EINVAL);
}
#if __REALLY_HAVE_MTRR
if ( map->type == _DRM_FRAME_BUFFER ||
(map->flags & _DRM_WRITE_COMBINING) ) {
int mtrr;
mtrr = DRM(mtrr_add)(map->offset, map->size,
DRM_MTRR_WC);
if (mtrr == 0)
map->mtrr = 1;
}
#endif /* __REALLY_HAVE_MTRR */
switch ( map->type ) {
case _DRM_REGISTERS:
DRM_IOREMAP(map, dev);
if (!(map->flags & _DRM_WRITE_COMBINING))
break;
/* FALLTHROUGH */
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if (DRM(mtrr_add)(map->offset, map->size, DRM_MTRR_WC) == 0)
map->mtrr = 1;
#endif
break;
case _DRM_SHM:
map->handle = (void *)DRM(alloc)(map->size, DRM_MEM_SAREA);
DRM_DEBUG( "%lu %d %p\n",
@ -152,7 +147,7 @@ int DRM(addmap)( DRM_IOCTL_ARGS )
#if __REALLY_HAVE_AGP
case _DRM_AGP:
map->offset += dev->agp->base;
map->mtrr = dev->agp->agp_mtrr; /* for getmap */
map->mtrr = dev->agp->mtrr; /* for getmap */
break;
#endif
case _DRM_SCATTER_GATHER:
@ -231,12 +226,12 @@ int DRM(rmmap)( DRM_IOCTL_ARGS )
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if (map->mtrr >= 0) {
int __unused mtrr;
if (map->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(map->offset, map->size,
retcode = DRM(mtrr_del)(map->offset, map->size,
DRM_MTRR_WC);
DRM_DEBUG("mtrr_del = %d\n", mtrr);
DRM_DEBUG("mtrr_del = %d\n", retcode);
}
#endif
DRM(ioremapfree)(map);

28
bsd/drm_drv.h
View file

@ -565,17 +565,18 @@ static int DRM(takedown)( drm_device_t *dev )
map = list->map;
switch ( map->type ) {
case _DRM_REGISTERS:
DRM(ioremapfree)(map);
/* FALLTHROUGH */
case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
if ( map->mtrr >= 0 ) {
int __unused mtrr;
if (map->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(map->offset,
retcode = DRM(mtrr_del)(map->offset,
map->size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del=%d\n", mtrr);
DRM_DEBUG("mtrr_del = %d", retcode);
}
#endif
DRM(ioremapfree)( map );
break;
case _DRM_SHM:
DRM(free)(map->handle,
@ -679,12 +680,9 @@ static int DRM(init)( device_t nbdev )
#endif /* __MUST_HAVE_AGP */
#if __REALLY_HAVE_MTRR
if (dev->agp) {
int retcode;
retcode = DRM(mtrr_add)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
if (retcode == 0)
dev->agp->agp_mtrr=1;
if (DRM(mtrr_add)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
dev->agp->mtrr = 1;
}
#endif /* __REALLY_HAVE_MTRR */
#endif /* __REALLY_HAVE_AGP */
@ -742,12 +740,12 @@ static void DRM(cleanup)(drm_device_t *dev)
#endif
#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
if ( dev->agp && dev->agp->agp_mtrr >= 0) {
int __unused mtrr;
if (dev->agp && dev->agp->mtrr) {
int __unused retcode;
mtrr = DRM(mtrr_del)(dev->agp->info.ai_aperture_base,
retcode = DRM(mtrr_del)(dev->agp->info.ai_aperture_base,
dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del=%d\n", mtrr);
DRM_DEBUG("mtrr_del = %d", retcode);
}
#endif

2
bsd/drm_sysctl.h
View file

@ -192,7 +192,7 @@ static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
else
type = types[map->type];
if (map->mtrr <= 0)
if (!map->mtrr)
yesno = "no";
else
yesno = "yes";

4
linux-core/drm_bufs.c
View file

@ -148,7 +148,9 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
MTRR_TYPE_WRCOMB, 1 );
}
#endif
map->handle = DRM(ioremap)( map->offset, map->size, dev );
if (map->type == _DRM_REGISTERS)
map->handle = DRM(ioremap)( map->offset, map->size,
dev );
break;
case _DRM_SHM:

4
linux/drm_bufs.h
View file

@ -148,7 +148,9 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
MTRR_TYPE_WRCOMB, 1 );
}
#endif
map->handle = DRM(ioremap)( map->offset, map->size, dev );
if (map->type == _DRM_REGISTERS)
map->handle = DRM(ioremap)( map->offset, map->size,
dev );
break;
case _DRM_SHM:

8
shared-core/mga_dma.c
View file

@ -500,14 +500,6 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR( "failed to find framebuffer!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR( "failed to find mmio region!\n" );

1
shared-core/mga_drv.h
View file

@ -91,7 +91,6 @@ typedef struct drm_mga_private {
unsigned int texture_size;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *status;
drm_local_map_t *warp;

7
shared-core/r128_cce.c
View file

@ -467,13 +467,6 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR("could not find framebuffer!\n");
dev->dev_private = (void *)dev_priv;
r128_do_cleanup_cce( dev );
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");

1
shared-core/r128_drv.h
View file

@ -97,7 +97,6 @@ typedef struct drm_r128_private {
u32 span_pitch_offset_c;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *cce_ring;
drm_local_map_t *ring_rptr;

7
shared-core/radeon_cp.c
View file

@ -1118,13 +1118,6 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR("could not find framebuffer!\n");
dev->dev_private = (void *)dev_priv;
radeon_do_cleanup_cp(dev);
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");

1
shared-core/radeon_drv.h
View file

@ -135,7 +135,6 @@ typedef struct drm_radeon_private {
unsigned long gart_textures_offset;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *cp_ring;
drm_local_map_t *ring_rptr;

8
shared/mga_dma.c
View file

@ -500,14 +500,6 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR( "failed to find framebuffer!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR( "failed to find mmio region!\n" );

1
shared/mga_drv.h
View file

@ -91,7 +91,6 @@ typedef struct drm_mga_private {
unsigned int texture_size;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *status;
drm_local_map_t *warp;

7
shared/r128_cce.c
View file

@ -467,13 +467,6 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR("could not find framebuffer!\n");
dev->dev_private = (void *)dev_priv;
r128_do_cleanup_cce( dev );
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");

1
shared/r128_drv.h
View file

@ -97,7 +97,6 @@ typedef struct drm_r128_private {
u32 span_pitch_offset_c;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *cce_ring;
drm_local_map_t *ring_rptr;

7
shared/radeon_cp.c
View file

@ -1118,13 +1118,6 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR("could not find framebuffer!\n");
dev->dev_private = (void *)dev_priv;
radeon_do_cleanup_cp(dev);
return DRM_ERR(EINVAL);
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");

1
shared/radeon_drv.h
View file

@ -135,7 +135,6 @@ typedef struct drm_radeon_private {
unsigned long gart_textures_offset;
drm_local_map_t *sarea;
drm_local_map_t *fb;
drm_local_map_t *mmio;
drm_local_map_t *cp_ring;
drm_local_map_t *ring_rptr;