diff options
Diffstat (limited to 'libdrm')
| -rw-r--r-- | libdrm/xf86drm.c | 22 | ||||
| -rw-r--r-- | libdrm/xf86drm.h | 2 |
2 files changed, 14 insertions, 10 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 88676083..06c64303 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2362,25 +2362,27 @@ int drmFenceWait(int fd, drmFence *fence, unsigned flush_type, return 0; } -static unsigned long combine64(unsigned lo, unsigned hi) +static unsigned long drmUL(drm_u64_t val) { - unsigned long ret = lo; + unsigned long ret = val.lo; if (sizeof(ret) == 8) { int shift = 32; - ret |= (hi << shift); + ret |= (val.hi << shift); } return ret; } -static void split32(unsigned long val, unsigned *lo, unsigned *hi) +static drm_u64_t drmU64(unsigned long val) { - *lo = val & 0xFFFFFFFFUL; + drm_u64_t ret; + ret.lo = val & 0xFFFFFFFFUL; if (sizeof(val) == 8) { int shift = 32; - *hi = val >> shift; + ret.hi = val >> shift; } else { - *hi = 0; + ret.hi = 0; } + return ret; } int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags) @@ -2389,7 +2391,7 @@ int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags) arg.op = drm_ttm_create; arg.flags = flags; - split32((unsigned long) size, &arg.size_lo, &arg.size_hi); + arg.size = drmU64(size); if (ioctl(fd, DRM_IOCTL_TTM, &arg)) return -errno; @@ -2397,7 +2399,7 @@ int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags) ttm->handle = arg.handle; ttm->user_token = (drm_handle_t) arg.user_token; ttm->flags = arg.flags; - ttm->size = combine64(arg.size_lo, arg.size_hi); + ttm->size = drmUL(arg.size); return 0; } @@ -2424,7 +2426,7 @@ int drmTTMReference(int fd, unsigned handle, drmTTM *ttm) ttm->handle = arg.handle; ttm->user_token = (drm_handle_t) arg.user_token; ttm->flags = arg.flags; - ttm->size = combine64(arg.size_lo, arg.size_hi); + ttm->size = drmUL(arg.size); return 0; } diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h index 433191b4..58cbd16c 100644 --- a/libdrm/xf86drm.h +++ b/libdrm/xf86drm.h @@ -497,6 +497,8 @@ do { register unsigned int __old __asm("o0"); \ } \ } while(0) + + /* General user-level programmer's API: unprivileged */ extern int drmAvailable(void); extern int drmOpen(const char *name, const char *busid); |