* reference counted modeset objects like framebuffers.
*
* Returns:
- * New unique (relative to other objects in @dev) integer identifier for the
- * object.
+ * Zero on success, error code on failure.
*/
int drm_mode_object_get(struct drm_device *dev,
struct drm_mode_object *obj, uint32_t obj_type)
out:
mutex_unlock(&dev->mode_config.fb_lock);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(drm_framebuffer_init);
*/
void drm_framebuffer_unregister_private(struct drm_framebuffer *fb)
{
- struct drm_device *dev = fb->dev;
+ struct drm_device *dev;
+
+ if (!fb)
+ return;
+
+ dev = fb->dev;
mutex_lock(&dev->mode_config.fb_lock);
/* Mark fb as reaped and drop idr ref. */
*/
void drm_framebuffer_remove(struct drm_framebuffer *fb)
{
- struct drm_device *dev = fb->dev;
+ struct drm_device *dev;
struct drm_crtc *crtc;
struct drm_plane *plane;
struct drm_mode_set set;
int ret;
+ if (!fb)
+ return;
+
+ dev = fb->dev;
+
WARN_ON(!list_empty(&fb->filp_head));
/*
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));
}
}
- 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);
}
crtc->dev = dev;
crtc->funcs = funcs;
- crtc->invert_dimensions = false;
drm_modeset_lock_init(&crtc->mutex);
ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_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;
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;
{
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);
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;
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;
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;
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++;
*/
int drm_mode_create_tv_properties(struct drm_device *dev,
unsigned int num_modes,
- char *modes[])
+ const char * const modes[])
{
struct drm_property *tv_selector;
struct drm_property *tv_subconnector;
}
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
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;
/* 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)) {
-
- mode_group = NULL;
- list_for_each(lh, &dev->mode_config.crtc_list)
- crtc_count++;
+ drm_for_each_crtc(crtc, dev)
+ crtc_count++;
- list_for_each(lh, &dev->mode_config.connector_list)
- connector_count++;
+ drm_for_each_connector(connector, dev)
+ 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;
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;
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;
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;
/* 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;
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.
return -EINVAL;
}
+static int check_src_coords(uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h,
+ const struct drm_framebuffer *fb)
+{
+ unsigned int fb_width, fb_height;
+
+ fb_width = fb->width << 16;
+ fb_height = fb->height << 16;
+
+ /* Make sure source coordinates are inside the fb. */
+ if (src_w > fb_width ||
+ src_x > fb_width - src_w ||
+ src_h > fb_height ||
+ src_y > fb_height - src_h) {
+ DRM_DEBUG_KMS("Invalid source coordinates "
+ "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
+ src_w >> 16, ((src_w & 0xffff) * 15625) >> 10,
+ src_h >> 16, ((src_h & 0xffff) * 15625) >> 10,
+ src_x >> 16, ((src_x & 0xffff) * 15625) >> 10,
+ src_y >> 16, ((src_y & 0xffff) * 15625) >> 10);
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
/*
* setplane_internal - setplane handler for internal callers
*
uint32_t src_w, uint32_t src_h)
{
int ret = 0;
- unsigned int fb_width, fb_height;
/* No fb means shut it down */
if (!fb) {
crtc_y > INT_MAX - (int32_t) crtc_h) {
DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
crtc_w, crtc_h, crtc_x, crtc_y);
- return -ERANGE;
+ ret = -ERANGE;
+ goto out;
}
-
- fb_width = fb->width << 16;
- fb_height = fb->height << 16;
-
- /* Make sure source coordinates are inside the fb. */
- if (src_w > fb_width ||
- src_x > fb_width - src_w ||
- src_h > fb_height ||
- src_y > fb_height - src_h) {
- DRM_DEBUG_KMS("Invalid source coordinates "
- "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
- src_w >> 16, ((src_w & 0xffff) * 15625) >> 10,
- src_h >> 16, ((src_h & 0xffff) * 15625) >> 10,
- src_x >> 16, ((src_x & 0xffff) * 15625) >> 10,
- src_y >> 16, ((src_y & 0xffff) * 15625) >> 10);
- ret = -ENOSPC;
+ ret = check_src_coords(src_x, src_y, src_w, src_h, fb);
+ if (ret)
goto out;
- }
plane->old_fb = plane->fb;
ret = plane->funcs->update_plane(plane, crtc, fb,
* 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;
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)
drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay);
- if (crtc->invert_dimensions)
+ if (crtc->state &&
+ crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) |
+ BIT(DRM_ROTATE_270)))
swap(hdisplay, vdisplay);
- if (hdisplay > fb->width ||
- vdisplay > fb->height ||
- x > fb->width - hdisplay ||
- y > fb->height - vdisplay) {
- DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
- fb->width, fb->height, hdisplay, vdisplay, x, y,
- crtc->invert_dimensions ? " (inverted)" : "");
- return -ENOSPC;
- }
-
- return 0;
+ return check_src_coords(x << 16, y << 16,
+ hdisplay << 16, vdisplay << 16, fb);
}
EXPORT_SYMBOL(drm_crtc_check_viewport);
if (!found)
goto fail_lookup;
- /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
- __drm_framebuffer_unregister(dev, fb);
-
list_del_init(&fb->filp_head);
mutex_unlock(&dev->mode_config.fb_lock);
mutex_unlock(&file_priv->fbs_lock);
- drm_framebuffer_remove(fb);
+ drm_framebuffer_unreference(fb);
return 0;
*/
void drm_fb_release(struct drm_file *priv)
{
- struct drm_device *dev = priv->minor->dev;
struct drm_framebuffer *fb, *tfb;
/*
* at it any more.
*/
list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
-
- mutex_lock(&dev->mode_config.fb_lock);
- /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
- __drm_framebuffer_unregister(dev, fb);
- mutex_unlock(&dev->mode_config.fb_lock);
-
list_del_init(&fb->filp_head);
- /* This will also drop the fpriv->fbs reference. */
- drm_framebuffer_remove(fb);
+ /* This drops the fpriv->fbs reference. */
+ drm_framebuffer_unreference(fb);
}
}
mutex_unlock(&dev->mode_config.blob_lock);
else
might_lock(&dev->mode_config.blob_lock);
-
}
EXPORT_SYMBOL(drm_property_unreference_blob);
goto err_created;
}
- if (old_blob)
- drm_property_unreference_blob(old_blob);
-
+ drm_property_unreference_blob(old_blob);
*replace = new_blob;
return 0;
/* 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);
/* 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;
}
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);
{
if (rotation & ~supported_rotations) {
rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y);
- rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4);
+ rotation = (rotation & DRM_REFLECT_MASK) |
+ BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4);
}
return rotation;
*/
WARN_ON(!list_empty(&dev->mode_config.fb_list));
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
- drm_framebuffer_remove(fb);
+ drm_framebuffer_free(&fb->refcount);
}
list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
projects / firefly-linux-kernel-4.4.55.git / blobdiff