diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-02 15:06:35 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-02 15:06:35 +0200 |
| commit | eacedf41a65f135722e7bee6f1a66a803619237f (patch) | |
| tree | 6b24f01790d18972f0b103ed4ec3d6246dd22435 /libdrm | |
| parent | a31046b8734f12ed22127ef5f6ca4fc33df72ec1 (diff) | |
Make the user_token 44-bit for TTMs, and have them occupy a unique file space
starting at 0x00100000000. This will hopefully allow us to use
unmap_mapping_range(). Note that user-space will need
64-bit file offset support.
Diffstat (limited to 'libdrm')
| -rw-r--r-- | libdrm/xf86drm.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index ab884eb5..bce913d3 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -46,6 +46,9 @@ # include <sys/mman.h> # endif #else +# ifdef HAVE_CONFIG_H +# include <config.h> +# endif # include <stdio.h> # include <stdlib.h> # include <unistd.h> @@ -2804,7 +2807,7 @@ int drmBOUnReference(int fd, drmBO *buf) if (buf->mapVirtual && (buf->type != drm_bo_type_fake)) { - (void) drmUnmap(buf->mapVirtual, buf->start + buf->size); + (void) munmap(buf->mapVirtual, buf->start + buf->size); buf->mapVirtual = NULL; buf->virtual = NULL; } @@ -2847,8 +2850,12 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint, if (!buf->virtual && buf->type != drm_bo_type_fake) { drmAddress virtual; - ret = drmMap(fd, buf->mapHandle, buf->size + buf->start, &virtual); - if (ret) + virtual = mmap(0, buf->size + buf->start, + PROT_READ | PROT_WRITE, MAP_SHARED, + fd, buf->mapHandle); + if (virtual == MAP_FAILED) + ret = -errno; + if (ret) return ret; buf->mapVirtual = virtual; buf->virtual = ((char *) virtual) + buf->start; |