diff options
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 82 |
1 files changed, 34 insertions, 48 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 3785d66721f2..b1d303fa2327 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -36,9 +36,6 @@ #include <linux/pci.h> #include <linux/export.h> -#ifdef CONFIG_X86 -#include <asm/mtrr.h> -#endif static int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -197,16 +194,7 @@ static int drm_getmap(struct drm_device *dev, void *data, map->type = r_list->map->type; map->flags = r_list->map->flags; map->handle = (void *)(unsigned long) r_list->user_token; - -#ifdef CONFIG_X86 - /* - * There appears to be exactly one user of the mtrr index: dritest. - * It's easy enough to keep it working on non-PAT systems. - */ - map->mtrr = phys_wc_to_mtrr_index(r_list->map->mtrr); -#else - map->mtrr = -1; -#endif + map->mtrr = arch_phys_wc_index(r_list->map->mtrr); mutex_unlock(&dev->struct_mutex); @@ -321,6 +309,9 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_ else req->value = 64; break; + case DRM_CAP_ADDFB2_MODIFIERS: + req->value = dev->mode_config.allow_fb_modifiers; + break; default: return -EINVAL; } @@ -347,9 +338,6 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv) file_priv->universal_planes = req->value; break; case DRM_CLIENT_CAP_ATOMIC: - /* for now, hide behind experimental drm.atomic moduleparam */ - if (!drm_atomic) - return -EINVAL; if (!drm_core_check_feature(dev, DRIVER_ATOMIC)) return -EINVAL; if (req->value > 1) @@ -521,8 +509,13 @@ static int drm_ioctl_permit(u32 flags, struct drm_file *file_priv) return 0; } -#define DRM_IOCTL_DEF(ioctl, _func, _flags) \ - [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0, .name = #ioctl} +#define DRM_IOCTL_DEF(ioctl, _func, _flags) \ + [DRM_IOCTL_NR(ioctl)] = { \ + .cmd = ioctl, \ + .func = _func, \ + .flags = _flags, \ + .name = #ioctl \ + } /** Ioctl table */ static const struct drm_ioctl_desc drm_ioctls[] = { @@ -633,6 +626,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_SETPROPERTY, drm_mode_obj_set_property_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR2, drm_mode_cursor2_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATOMIC, drm_mode_atomic_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATEPROPBLOB, drm_mode_createblob_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROYPROPBLOB, drm_mode_destroyblob_ioctl, DRM_CONTROL_ALLOW|DRM_UNLOCKED), }; #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) @@ -660,39 +655,29 @@ long drm_ioctl(struct file *filp, int retcode = -EINVAL; char stack_kdata[128]; char *kdata = NULL; - unsigned int usize, asize; + unsigned int usize, asize, drv_size; dev = file_priv->minor->dev; if (drm_device_is_unplugged(dev)) return -ENODEV; - if ((nr >= DRM_CORE_IOCTL_COUNT) && - ((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END))) - goto err_i1; - if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) && - (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) { - u32 drv_size; + if (nr >= DRM_COMMAND_BASE && nr < DRM_COMMAND_END) { + /* driver ioctl */ + if (nr - DRM_COMMAND_BASE >= dev->driver->num_ioctls) + goto err_i1; ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; - drv_size = _IOC_SIZE(ioctl->cmd_drv); - usize = asize = _IOC_SIZE(cmd); - if (drv_size > asize) - asize = drv_size; - cmd = ioctl->cmd_drv; - } - else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) { - u32 drv_size; - + } else { + /* core ioctl */ + if (nr >= DRM_CORE_IOCTL_COUNT) + goto err_i1; ioctl = &drm_ioctls[nr]; + } - drv_size = _IOC_SIZE(ioctl->cmd); - usize = asize = _IOC_SIZE(cmd); - if (drv_size > asize) - asize = drv_size; - - cmd = ioctl->cmd; - } else - goto err_i1; + drv_size = _IOC_SIZE(ioctl->cmd); + usize = _IOC_SIZE(cmd); + asize = max(usize, drv_size); + cmd = ioctl->cmd; DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n", task_pid_nr(current), @@ -773,12 +758,13 @@ EXPORT_SYMBOL(drm_ioctl); */ bool drm_ioctl_flags(unsigned int nr, unsigned int *flags) { - if ((nr >= DRM_COMMAND_END && nr < DRM_CORE_IOCTL_COUNT) || - (nr < DRM_COMMAND_BASE)) { - *flags = drm_ioctls[nr].flags; - return true; - } + if (nr >= DRM_COMMAND_BASE && nr < DRM_COMMAND_END) + return false; + + if (nr >= DRM_CORE_IOCTL_COUNT) + return false; - return false; + *flags = drm_ioctls[nr].flags; + return true; } EXPORT_SYMBOL(drm_ioctl_flags); |