diff options
| author | Robert Noland <rnoland@2hip.net> | 2008-09-07 12:44:02 -0400 |
|---|---|---|
| committer | Robert Noland <rnoland@2hip.net> | 2008-09-07 12:44:02 -0400 |
| commit | 2880c86eb246aceeb5c750e27259a7b6d8897328 (patch) | |
| tree | 5bb6cd34a902448022f9e2112e7bfdf89f80ee5a | |
| parent | 740f09bffde20d9207497bd107d50941ca21278a (diff) | |
[FreeBSD] Implement drm_ioremap_wc() to set a range of mem to write-combining
| -rw-r--r-- | bsd-core/drmP.h | 9 | ||||
| -rw-r--r-- | bsd-core/drm_memory.c | 5 |
2 files changed, 12 insertions, 2 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index f8705e36..de59f426 100644 --- a/bsd-core/drmP.h +++ b/bsd-core/drmP.h @@ -70,6 +70,7 @@ typedef struct drm_file drm_file_t; #include <machine/pmap.h> #include <machine/bus.h> #include <machine/resource.h> +#include <machine/specialreg.h> #include <machine/sysarch.h> #include <sys/endian.h> #include <sys/mman.h> @@ -897,6 +898,7 @@ void *drm_calloc(size_t nmemb, size_t size, int area); void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); void drm_free(void *pt, size_t size, int area); +void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); void drm_ioremapfree(drm_local_map_t *map); int drm_mtrr_add(unsigned long offset, size_t size, int flags); @@ -1110,10 +1112,13 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, size_t align, dma_addr_t maxaddr); void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); -#define drm_core_ioremap_wc drm_core_ioremap - /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void +drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) +{ + map->handle = drm_ioremap_wc(dev, map); +} +static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) { map->handle = drm_ioremap(dev, map); diff --git a/bsd-core/drm_memory.c b/bsd-core/drm_memory.c index 80891402..272c0874 100644 --- a/bsd-core/drm_memory.c +++ b/bsd-core/drm_memory.c @@ -80,6 +80,11 @@ void drm_free(void *pt, size_t size, int area) free(pt, M_DRM); } +void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map) +{ + return pmap_mapdev_attr(map->offset, map->size, PAT_WRITE_COMBINING); +} + void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map) { #ifdef __FreeBSD__ |