diff options
author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-10-25 10:12:21 +0200 |
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committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-10-25 10:12:21 +0200 |
commit | 11f3e5e53f8fc4de90d1c289e0ba218ddfca23dc (patch) | |
tree | 788f1bfbafe608fa55b377673b540f9f5a3de401 /linux-core/drm_bo.c | |
parent | b5cad27e05ad3666be8ccdf71e10d743efa5849e (diff) |
Buffer manager:
Implement a version check IOCTL for drivers that don't use
drmMMInit from user-space.
Remove the minor check from the kernel code. That's really up
to the driver.
Bump major.
Diffstat (limited to 'linux-core/drm_bo.c')
-rw-r--r-- | linux-core/drm_bo.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 039873ca..8d1e2f56 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -2260,17 +2260,10 @@ int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_ } if (arg->major != DRM_BO_INIT_MAJOR) { DRM_ERROR("libdrm and kernel DRM buffer object interface major\n" - "\tversion don't match. Got %d, expected %d,\n", + "\tversion don't match. Got %d, expected %d.\n", arg->major, DRM_BO_INIT_MAJOR); return -EINVAL; } - if (arg->minor > DRM_BO_INIT_MINOR) { - DRM_ERROR("libdrm expects a newer DRM buffer object interface.\n" - "\tlibdrm buffer object interface version is %d.%d.\n" - "\tkernel DRM buffer object interface version is %d.%d\n", - arg->major, arg->minor, DRM_BO_INIT_MAJOR, DRM_BO_INIT_MINOR); - return -EINVAL; - } mutex_lock(&dev->struct_mutex); if (!bm->initialized) { @@ -2535,3 +2528,15 @@ static int drm_bo_setup_vm_locked(struct drm_buffer_object * bo) return 0; } + +int drm_bo_version_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_bo_version_arg *arg = (struct drm_bo_version_arg *)data; + + arg->major = DRM_BO_INIT_MAJOR; + arg->minor = DRM_BO_INIT_MINOR; + arg->patchlevel = DRM_BO_INIT_PATCH; + + return 0; +} |