diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/gpu/drm/drm_crtc.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 233 |
1 files changed, 55 insertions, 178 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index fed748311..8328e7059 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -615,7 +615,7 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb) if (atomic_read(&fb->refcount.refcount) > 1) { drm_modeset_lock_all(dev); /* remove from any CRTC */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + drm_for_each_crtc(crtc, dev) { if (crtc->primary->fb == fb) { /* should turn off the crtc */ memset(&set, 0, sizeof(struct drm_mode_set)); @@ -627,7 +627,7 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb) } } - list_for_each_entry(plane, &dev->mode_config.plane_list, head) { + drm_for_each_plane(plane, dev) { if (plane->fb == fb) drm_plane_force_disable(plane); } @@ -736,7 +736,7 @@ unsigned int drm_crtc_index(struct drm_crtc *crtc) unsigned int index = 0; struct drm_crtc *tmp; - list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { + drm_for_each_crtc(tmp, crtc->dev) { if (tmp == crtc) return index; @@ -988,7 +988,7 @@ unsigned int drm_connector_index(struct drm_connector *connector) WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); - list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { + drm_for_each_connector(tmp, connector->dev) { if (tmp == connector) return index; @@ -1054,7 +1054,7 @@ void drm_connector_unplug_all(struct drm_device *dev) { struct drm_connector *connector; - /* taking the mode config mutex ends up in a clash with sysfs */ + /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) drm_connector_unregister(connector); @@ -1151,7 +1151,7 @@ EXPORT_SYMBOL(drm_encoder_cleanup); int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, - const uint32_t *formats, uint32_t format_count, + const uint32_t *formats, unsigned int format_count, enum drm_plane_type type) { struct drm_mode_config *config = &dev->mode_config; @@ -1225,7 +1225,7 @@ EXPORT_SYMBOL(drm_universal_plane_init); int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, - const uint32_t *formats, uint32_t format_count, + const uint32_t *formats, unsigned int format_count, bool is_primary) { enum drm_plane_type type; @@ -1280,7 +1280,7 @@ unsigned int drm_plane_index(struct drm_plane *plane) unsigned int index = 0; struct drm_plane *tmp; - list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { + drm_for_each_plane(tmp, plane->dev) { if (tmp == plane) return index; @@ -1305,7 +1305,7 @@ drm_plane_from_index(struct drm_device *dev, int idx) struct drm_plane *plane; unsigned int i = 0; - list_for_each_entry(plane, &dev->mode_config.plane_list, head) { + drm_for_each_plane(plane, dev) { if (i == idx) return plane; i++; @@ -1679,70 +1679,6 @@ int drm_mode_create_suggested_offset_properties(struct drm_device *dev) } EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); -static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) -{ - uint32_t total_objects = 0; - - total_objects += dev->mode_config.num_crtc; - total_objects += dev->mode_config.num_connector; - total_objects += dev->mode_config.num_encoder; - - group->id_list = kcalloc(total_objects, sizeof(uint32_t), GFP_KERNEL); - if (!group->id_list) - return -ENOMEM; - - group->num_crtcs = 0; - group->num_connectors = 0; - group->num_encoders = 0; - return 0; -} - -void drm_mode_group_destroy(struct drm_mode_group *group) -{ - kfree(group->id_list); - group->id_list = NULL; -} - -/* - * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is - * the drm core's responsibility to set up mode control groups. - */ -int drm_mode_group_init_legacy_group(struct drm_device *dev, - struct drm_mode_group *group) -{ - struct drm_crtc *crtc; - struct drm_encoder *encoder; - struct drm_connector *connector; - int ret; - - ret = drm_mode_group_init(dev, group); - if (ret) - return ret; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - group->id_list[group->num_crtcs++] = crtc->base.id; - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - group->id_list[group->num_crtcs + group->num_encoders++] = - encoder->base.id; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - group->id_list[group->num_crtcs + group->num_encoders + - group->num_connectors++] = connector->base.id; - - return 0; -} -EXPORT_SYMBOL(drm_mode_group_init_legacy_group); - -void drm_reinit_primary_mode_group(struct drm_device *dev) -{ - drm_modeset_lock_all(dev); - drm_mode_group_destroy(&dev->primary->mode_group); - drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); - drm_modeset_unlock_all(dev); -} -EXPORT_SYMBOL(drm_reinit_primary_mode_group); - /** * drm_mode_getresources - get graphics configuration * @dev: drm device for the ioctl @@ -1771,12 +1707,11 @@ int drm_mode_getresources(struct drm_device *dev, void *data, int crtc_count = 0; int fb_count = 0; int encoder_count = 0; - int copied = 0, i; + int copied = 0; uint32_t __user *fb_id; uint32_t __user *crtc_id; uint32_t __user *connector_id; uint32_t __user *encoder_id; - struct drm_mode_group *mode_group; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; @@ -1809,24 +1744,14 @@ int drm_mode_getresources(struct drm_device *dev, void *data, /* mode_config.mutex protects the connector list against e.g. DP MST * connector hot-adding. CRTC/Plane lists are invariant. */ mutex_lock(&dev->mode_config.mutex); - if (!drm_is_primary_client(file_priv)) { + drm_for_each_crtc(crtc, dev) + crtc_count++; - mode_group = NULL; - list_for_each(lh, &dev->mode_config.crtc_list) - crtc_count++; + drm_for_each_connector(connector, dev) + connector_count++; - list_for_each(lh, &dev->mode_config.connector_list) - connector_count++; - - list_for_each(lh, &dev->mode_config.encoder_list) - encoder_count++; - } else { - - mode_group = &file_priv->master->minor->mode_group; - crtc_count = mode_group->num_crtcs; - connector_count = mode_group->num_connectors; - encoder_count = mode_group->num_encoders; - } + drm_for_each_encoder(encoder, dev) + encoder_count++; card_res->max_height = dev->mode_config.max_height; card_res->min_height = dev->mode_config.min_height; @@ -1837,25 +1762,13 @@ int drm_mode_getresources(struct drm_device *dev, void *data, if (card_res->count_crtcs >= crtc_count) { copied = 0; crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; - if (!mode_group) { - list_for_each_entry(crtc, &dev->mode_config.crtc_list, - head) { - DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); - if (put_user(crtc->base.id, crtc_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - for (i = 0; i < mode_group->num_crtcs; i++) { - if (put_user(mode_group->id_list[i], - crtc_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; + drm_for_each_crtc(crtc, dev) { + DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); + if (put_user(crtc->base.id, crtc_id + copied)) { + ret = -EFAULT; + goto out; } + copied++; } } card_res->count_crtcs = crtc_count; @@ -1864,29 +1777,15 @@ int drm_mode_getresources(struct drm_device *dev, void *data, if (card_res->count_encoders >= encoder_count) { copied = 0; encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; - if (!mode_group) { - list_for_each_entry(encoder, - &dev->mode_config.encoder_list, - head) { - DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, - encoder->name); - if (put_user(encoder->base.id, encoder_id + - copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { - if (put_user(mode_group->id_list[i], - encoder_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; + drm_for_each_encoder(encoder, dev) { + DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, + encoder->name); + if (put_user(encoder->base.id, encoder_id + + copied)) { + ret = -EFAULT; + goto out; } - + copied++; } } card_res->count_encoders = encoder_count; @@ -1895,31 +1794,16 @@ int drm_mode_getresources(struct drm_device *dev, void *data, if (card_res->count_connectors >= connector_count) { copied = 0; connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; - if (!mode_group) { - list_for_each_entry(connector, - &dev->mode_config.connector_list, - head) { - DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", - connector->base.id, - connector->name); - if (put_user(connector->base.id, - connector_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - int start = mode_group->num_crtcs + - mode_group->num_encoders; - for (i = start; i < start + mode_group->num_connectors; i++) { - if (put_user(mode_group->id_list[i], - connector_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; + drm_for_each_connector(connector, dev) { + DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", + connector->base.id, + connector->name); + if (put_user(connector->base.id, + connector_id + copied)) { + ret = -EFAULT; + goto out; } + copied++; } } card_res->count_connectors = connector_count; @@ -2187,7 +2071,7 @@ static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) /* For atomic drivers only state objects are synchronously updated and * protected by modeset locks, so check those first. */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_for_each_connector(connector, dev) { if (!connector->state) continue; @@ -2291,7 +2175,7 @@ int drm_mode_getplane_res(struct drm_device *dev, void *data, plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; /* Plane lists are invariant, no locking needed. */ - list_for_each_entry(plane, &config->plane_list, head) { + drm_for_each_plane(plane, dev) { /* * Unless userspace set the 'universal planes' * capability bit, only advertise overlays. @@ -2596,7 +2480,7 @@ int drm_mode_set_config_internal(struct drm_mode_set *set) * connectors from it), hence we need to refcount the fbs across all * crtcs. Atomic modeset will have saner semantics ... */ - list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) + drm_for_each_crtc(tmp, crtc->dev) tmp->primary->old_fb = tmp->primary->fb; fb = set->fb; @@ -2607,7 +2491,7 @@ int drm_mode_set_config_internal(struct drm_mode_set *set) crtc->primary->fb = fb; } - list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { + drm_for_each_crtc(tmp, crtc->dev) { if (tmp->primary->fb) drm_framebuffer_reference(tmp->primary->fb); if (tmp->primary->old_fb) @@ -4221,7 +4105,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length, struct drm_property_blob *blob; int ret; - if (!length) + if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) return ERR_PTR(-EINVAL); blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); @@ -4301,7 +4185,6 @@ void drm_property_unreference_blob(struct drm_property_blob *blob) mutex_unlock(&dev->mode_config.blob_lock); else might_lock(&dev->mode_config.blob_lock); - } EXPORT_SYMBOL(drm_property_unreference_blob); @@ -4472,9 +4355,7 @@ static int drm_property_replace_global_blob(struct drm_device *dev, goto err_created; } - if (old_blob) - drm_property_unreference_blob(old_blob); - + drm_property_unreference_blob(old_blob); *replace = new_blob; return 0; @@ -4573,7 +4454,7 @@ int drm_mode_createblob_ioctl(struct drm_device *dev, * not associated with any file_priv. */ mutex_lock(&dev->mode_config.blob_lock); out_resp->blob_id = blob->base.id; - list_add_tail(&file_priv->blobs, &blob->head_file); + list_add_tail(&blob->head_file, &file_priv->blobs); mutex_unlock(&dev->mode_config.blob_lock); return 0; @@ -4872,9 +4753,9 @@ static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, /* Do DPMS ourselves */ if (property == connector->dev->mode_config.dpms_property) { - if (connector->funcs->dpms) - (*connector->funcs->dpms)(connector, (int)value); ret = 0; + if (connector->funcs->dpms) + ret = (*connector->funcs->dpms)(connector, (int)value); } else if (connector->funcs->set_property) ret = connector->funcs->set_property(connector, property, value); @@ -5349,13 +5230,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, /* Keep the old fb, don't unref it. */ crtc->primary->old_fb = NULL; } else { - /* - * Warn if the driver hasn't properly updated the crtc->fb - * field to reflect that the new framebuffer is now used. - * Failing to do so will screw with the reference counting - * on framebuffers. - */ - WARN_ON(crtc->primary->fb != fb); + crtc->primary->fb = fb; /* Unref only the old framebuffer. */ fb = NULL; } @@ -5386,21 +5261,23 @@ void drm_mode_config_reset(struct drm_device *dev) struct drm_encoder *encoder; struct drm_connector *connector; - list_for_each_entry(plane, &dev->mode_config.plane_list, head) + drm_for_each_plane(plane, dev) if (plane->funcs->reset) plane->funcs->reset(plane); - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + drm_for_each_crtc(crtc, dev) if (crtc->funcs->reset) crtc->funcs->reset(crtc); - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) + drm_for_each_encoder(encoder, dev) if (encoder->funcs->reset) encoder->funcs->reset(encoder); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) + mutex_lock(&dev->mode_config.mutex); + drm_for_each_connector(connector, dev) if (connector->funcs->reset) connector->funcs->reset(connector); + mutex_unlock(&dev->mode_config.mutex); } EXPORT_SYMBOL(drm_mode_config_reset); |