diff options
| author | Eric Anholt <eric@anholt.net> | 2007-09-19 15:55:58 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2007-09-19 15:55:58 -0700 |
| commit | 3d3a96ad4e5596187236898ca241515a21661b69 (patch) | |
| tree | 89b2b0900cf02235741fa670e7947babc8959ebe /bsd-core/drm_ioctl.c | |
| parent | 0055fd5c35306a6363b0414f7f2220b3d1c27ecc (diff) | |
| parent | e349b58b4a6ebfe299720cb921039a600c145e65 (diff) | |
Merge branch 'origin' into bo-set-pin
Diffstat (limited to 'bsd-core/drm_ioctl.c')
| -rw-r--r-- | bsd-core/drm_ioctl.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/bsd-core/drm_ioctl.c b/bsd-core/drm_ioctl.c index ebdb2140..ce78bb8f 100644 --- a/bsd-core/drm_ioctl.c +++ b/bsd-core/drm_ioctl.c @@ -1,6 +1,3 @@ -/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- - * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com - */ /*- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -31,6 +28,11 @@ * */ +/** @file drm_ioctl.c + * Varios minor DRM ioctls not applicable to other files, such as versioning + * information and reporting DRM information to userland. + */ + #include "drmP.h" /* @@ -203,7 +205,7 @@ int drm_getstats(drm_device_t *dev, void *data, struct drm_file *file_priv) drm_stats_t *stats = data; int i; - memset(&stats, 0, sizeof(stats)); + memset(stats, 0, sizeof(drm_stats_t)); DRM_LOCK(); @@ -230,23 +232,27 @@ int drm_getstats(drm_device_t *dev, void *data, struct drm_file *file_priv) int drm_setversion(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_set_version_t *sv = data; - drm_set_version_t retv; + drm_set_version_t ver; int if_version; - retv.drm_di_major = DRM_IF_MAJOR; - retv.drm_di_minor = DRM_IF_MINOR; - retv.drm_dd_major = dev->driver.major; - retv.drm_dd_minor = dev->driver.minor; - - if (sv->drm_di_major != -1) { - if (sv->drm_di_major != DRM_IF_MAJOR || - sv->drm_di_minor < 0 || sv->drm_di_minor > DRM_IF_MINOR) { + /* Save the incoming data, and set the response before continuing + * any further. + */ + ver = *sv; + sv->drm_di_major = DRM_IF_MAJOR; + sv->drm_di_minor = DRM_IF_MINOR; + sv->drm_dd_major = dev->driver.major; + sv->drm_dd_minor = dev->driver.minor; + + if (ver.drm_di_major != -1) { + if (ver.drm_di_major != DRM_IF_MAJOR || + ver.drm_di_minor < 0 || ver.drm_di_minor > DRM_IF_MINOR) { return EINVAL; } - if_version = DRM_IF_VERSION(sv->drm_di_major, - sv->drm_dd_minor); + if_version = DRM_IF_VERSION(ver.drm_di_major, + ver.drm_dd_minor); dev->if_version = DRM_MAX(if_version, dev->if_version); - if (sv->drm_di_minor >= 1) { + if (ver.drm_di_minor >= 1) { /* * Version 1.1 includes tying of DRM to specific device */ @@ -254,10 +260,10 @@ int drm_setversion(drm_device_t *dev, void *data, struct drm_file *file_priv) } } - if (sv->drm_dd_major != -1) { - if (sv->drm_dd_major != dev->driver.major || - sv->drm_dd_minor < 0 || - sv->drm_dd_minor > dev->driver.minor) + if (ver.drm_dd_major != -1) { + if (ver.drm_dd_major != dev->driver.major || + ver.drm_dd_minor < 0 || + ver.drm_dd_minor > dev->driver.minor) { return EINVAL; } |