diff options
-rw-r--r-- | linux-core/drm_crtc.c | 64 | ||||
-rw-r--r-- | linux-core/drm_crtc.h | 2 |
2 files changed, 33 insertions, 33 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 0ede1571..df00a7d2 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -123,7 +123,7 @@ struct drm_framebuffer *drm_framebuffer_create(drm_device_t *dev) /* Limit to single framebuffer for now */ if (dev->mode_config.num_fb > 1) { - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); DRM_ERROR("Attempt to add multiple framebuffers failed\n"); return NULL; } @@ -572,11 +572,11 @@ struct drm_output *drm_output_create(drm_device_t *dev, /* output_set_monitor(output)? */ /* check for output_ignored(output)? */ - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); list_add_tail(&output->head, &dev->mode_config.output_list); dev->mode_config.num_output++; - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return output; @@ -607,10 +607,10 @@ void drm_output_destroy(struct drm_output *output) list_for_each_entry_safe(mode, t, &output->modes, head) drm_mode_remove(output, mode); - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); drm_idr_put(dev, output->id); list_del(&output->head); - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); kfree(output); } EXPORT_SYMBOL(drm_output_destroy); @@ -700,7 +700,7 @@ EXPORT_SYMBOL(drm_mode_destroy); */ void drm_mode_config_init(drm_device_t *dev) { - spin_lock_init(&dev->mode_config.config_lock); + mutex_init(&dev->mode_config.mutex); INIT_LIST_HEAD(&dev->mode_config.fb_list); INIT_LIST_HEAD(&dev->mode_config.crtc_list); INIT_LIST_HEAD(&dev->mode_config.output_list); @@ -858,7 +858,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow) struct drm_output *output; int ret = false; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); drm_crtc_probe_output_modes(dev, 2048, 2048); @@ -874,7 +874,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow) } drm_disable_unused_functions(dev); - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } EXPORT_SYMBOL(drm_initial_config); @@ -1107,7 +1107,7 @@ int drm_mode_getresources(struct inode *inode, struct file *filp, memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); list_for_each(lh, &dev->mode_config.fb_list) fb_count++; @@ -1215,7 +1215,7 @@ done: ret = -EFAULT; out_unlock: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1251,7 +1251,7 @@ int drm_mode_getcrtc(struct inode *inode, struct file *filp, if (copy_from_user(&crtc_resp, argp, sizeof(crtc_resp))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); crtc = idr_find(&dev->mode_config.crtc_idr, crtc_resp.crtc_id); if (!crtc || (crtc->id != crtc_resp.crtc_id)) { ret = -EINVAL; @@ -1279,7 +1279,7 @@ int drm_mode_getcrtc(struct inode *inode, struct file *filp, ret = -EFAULT; out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1319,7 +1319,7 @@ int drm_mode_getoutput(struct inode *inode, struct file *filp, DRM_DEBUG("output id %d:\n", out_resp.output); - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); output= idr_find(&dev->mode_config.crtc_idr, out_resp.output); if (!output || (output->id != out_resp.output)) { ret = -EINVAL; @@ -1369,7 +1369,7 @@ done: ret = -EFAULT; out_unlock: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1407,7 +1407,7 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp, if (copy_from_user(&crtc_req, argp, sizeof(crtc_req))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req.crtc_id); if (!crtc || (crtc->id != crtc_req.crtc_id)) { DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req.crtc_id); @@ -1487,7 +1487,7 @@ int drm_mode_setcrtc(struct inode *inode, struct file *filp, ret = drm_crtc_set_config(crtc, &crtc_req, mode, output_set, fb); out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1533,7 +1533,7 @@ int drm_mode_addfb(struct inode *inode, struct file *filp, return -EINVAL; } - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); /* TODO check limits are okay */ ret = drm_get_buffer_object(dev, &bo, r.handle); if (ret || !bo) { @@ -1574,7 +1574,7 @@ int drm_mode_addfb(struct inode *inode, struct file *filp, } out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1604,7 +1604,7 @@ int drm_mode_rmfb(struct inode *inode, struct file *filp, uint32_t id = arg; int ret = 0; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); fb = idr_find(&dev->mode_config.crtc_idr, id); /* TODO check that we realy get a framebuffer back. */ if (!fb || (id != fb->id)) { @@ -1623,7 +1623,7 @@ int drm_mode_rmfb(struct inode *inode, struct file *filp, drm_framebuffer_destroy(fb); out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1657,7 +1657,7 @@ int drm_mode_getfb(struct inode *inode, struct file *filp, if (copy_from_user(&r, argp, sizeof(r))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); fb = idr_find(&dev->mode_config.crtc_idr, r.buffer_id); if (!fb || (r.buffer_id != fb->id)) { DRM_ERROR("invalid framebuffer id\n"); @@ -1676,7 +1676,7 @@ int drm_mode_getfb(struct inode *inode, struct file *filp, ret = -EFAULT; out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1700,13 +1700,13 @@ void drm_fb_release(struct file *filp) drm_device_t *dev = priv->head->dev; struct drm_framebuffer *fb, *tfb; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { list_del(&fb->filp_head); dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); drm_framebuffer_destroy(fb); } - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); } /** @@ -1737,7 +1737,7 @@ int drm_mode_addmode(struct inode *inode, struct file *filp, if (copy_from_user(&new_mode, argp, sizeof(new_mode))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); user_mode = drm_mode_create(dev); if (!user_mode) { ret = -ENOMEM; @@ -1756,7 +1756,7 @@ int drm_mode_addmode(struct inode *inode, struct file *filp, ret = -EFAULT; out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1783,7 +1783,7 @@ int drm_mode_rmmode(struct inode *inode, struct file *filp, struct drm_display_mode *mode, *t; int ret = -EINVAL; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); mode = idr_find(&dev->mode_config.crtc_idr, id); if (!mode || (id != mode->mode_id)) { ret = -EINVAL; @@ -1810,7 +1810,7 @@ int drm_mode_rmmode(struct inode *inode, struct file *filp, } out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1841,7 +1841,7 @@ int drm_mode_attachmode(struct inode *inode, struct file *filp, if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id); if (!mode || (mode->mode_id != mode_cmd.mode_id)) { @@ -1867,7 +1867,7 @@ int drm_mode_attachmode(struct inode *inode, struct file *filp, ret = -ENOSPC; out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } @@ -1898,7 +1898,7 @@ int drm_mode_detachmode(struct inode *inode, struct file *filp, if (copy_from_user(&mode_cmd, argp, sizeof(mode_cmd))) return -EFAULT; - spin_lock(&dev->mode_config.config_lock); + mutex_lock(&dev->mode_config.mutex); mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd.mode_id); if (!mode || (mode->mode_id != mode_cmd.mode_id)) { @@ -1925,6 +1925,6 @@ int drm_mode_detachmode(struct inode *inode, struct file *filp, ret = -EINVAL; out: - spin_unlock(&dev->mode_config.config_lock); + mutex_unlock(&dev->mode_config.mutex); return ret; } diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h index e8a527b0..75db5b05 100644 --- a/linux-core/drm_crtc.h +++ b/linux-core/drm_crtc.h @@ -459,7 +459,7 @@ struct drm_mode_config_funcs { * */ struct drm_mode_config { - spinlock_t config_lock; /* protects configuration and IDR */ + struct mutex mutex; /* protects configuration and IDR */ struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, output, modes - just makes life easier */ /* this is limited to one for now */ int num_fb; |