#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_modeset_lock.h>
#include "drm_crtc_internal.h"
+static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+ struct drm_mode_fb_cmd2 *r,
+ struct drm_file *file_priv);
+
/**
* drm_modeset_lock_all - take all modeset locks
* @dev: drm device
*/
void drm_modeset_lock_all(struct drm_device *dev)
{
- struct drm_crtc *crtc;
+ struct drm_mode_config *config = &dev->mode_config;
+ struct drm_modeset_acquire_ctx *ctx;
+ int ret;
- mutex_lock(&dev->mode_config.mutex);
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (WARN_ON(!ctx))
+ return;
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
- mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex);
+ mutex_lock(&config->mutex);
+
+ drm_modeset_acquire_init(ctx, 0);
+
+retry:
+ ret = drm_modeset_lock(&config->connection_mutex, ctx);
+ if (ret)
+ goto fail;
+ ret = drm_modeset_lock_all_crtcs(dev, ctx);
+ if (ret)
+ goto fail;
+
+ WARN_ON(config->acquire_ctx);
+
+ /* now we hold the locks, so now that it is safe, stash the
+ * ctx for drm_modeset_unlock_all():
+ */
+ config->acquire_ctx = ctx;
+
+ drm_warn_on_modeset_not_all_locked(dev);
+
+ return;
+
+fail:
+ if (ret == -EDEADLK) {
+ drm_modeset_backoff(ctx);
+ goto retry;
+ }
}
EXPORT_SYMBOL(drm_modeset_lock_all);
*/
void drm_modeset_unlock_all(struct drm_device *dev)
{
- struct drm_crtc *crtc;
+ struct drm_mode_config *config = &dev->mode_config;
+ struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx;
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
- mutex_unlock(&crtc->mutex);
+ if (WARN_ON(!ctx))
+ return;
+
+ config->acquire_ctx = NULL;
+ drm_modeset_drop_locks(ctx);
+ drm_modeset_acquire_fini(ctx);
+
+ kfree(ctx);
mutex_unlock(&dev->mode_config.mutex);
}
return;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
- WARN_ON(!mutex_is_locked(&crtc->mutex));
+ WARN_ON(!drm_modeset_is_locked(&crtc->mutex));
+ WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
}
EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked);
{ DRM_MODE_ENCODER_TVDAC, "TV" },
{ DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
{ DRM_MODE_ENCODER_DSI, "DSI" },
+ { DRM_MODE_ENCODER_DPMST, "DP MST" },
};
static const struct drm_prop_enum_list drm_subpixel_enum_list[] =
ida_destroy(&drm_connector_enum_list[i].ida);
}
-/**
- * drm_get_encoder_name - return a string for encoder
- * @encoder: encoder to compute name of
- *
- * Note that the buffer used by this function is globally shared and owned by
- * the function itself.
- *
- * FIXME: This isn't really multithreading safe.
- */
-const char *drm_get_encoder_name(const struct drm_encoder *encoder)
-{
- static char buf[32];
-
- snprintf(buf, 32, "%s-%d",
- drm_encoder_enum_list[encoder->encoder_type].name,
- encoder->base.id);
- return buf;
-}
-EXPORT_SYMBOL(drm_get_encoder_name);
-
-/**
- * drm_get_connector_name - return a string for connector
- * @connector: connector to compute name of
- *
- * Note that the buffer used by this function is globally shared and owned by
- * the function itself.
- *
- * FIXME: This isn't really multithreading safe.
- */
-const char *drm_get_connector_name(const struct drm_connector *connector)
-{
- static char buf[32];
-
- snprintf(buf, 32, "%s-%d",
- drm_connector_enum_list[connector->connector_type].name,
- connector->connector_type_id);
- return buf;
-}
-EXPORT_SYMBOL(drm_get_connector_name);
-
/**
* drm_get_connector_status_name - return a string for connector status
* @status: connector status to compute name of
mutex_unlock(&dev->mode_config.idr_mutex);
}
+static struct drm_mode_object *_object_find(struct drm_device *dev,
+ uint32_t id, uint32_t type)
+{
+ struct drm_mode_object *obj = NULL;
+
+ mutex_lock(&dev->mode_config.idr_mutex);
+ obj = idr_find(&dev->mode_config.crtc_idr, id);
+ if (!obj || (type != DRM_MODE_OBJECT_ANY && obj->type != type) ||
+ (obj->id != id))
+ obj = NULL;
+ mutex_unlock(&dev->mode_config.idr_mutex);
+
+ return obj;
+}
+
/**
* drm_mode_object_find - look up a drm object with static lifetime
* @dev: drm device
* @type: type of the mode object
*
* Note that framebuffers cannot be looked up with this functions - since those
- * are reference counted, they need special treatment.
+ * are reference counted, they need special treatment. Even with
+ * DRM_MODE_OBJECT_ANY (although that will simply return NULL
+ * rather than WARN_ON()).
*/
struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
uint32_t id, uint32_t type)
/* Framebuffers are reference counted and need their own lookup
* function.*/
WARN_ON(type == DRM_MODE_OBJECT_FB);
-
- mutex_lock(&dev->mode_config.idr_mutex);
- obj = idr_find(&dev->mode_config.crtc_idr, id);
- if (!obj || (obj->type != type) || (obj->id != id))
+ obj = _object_find(dev, id, type);
+ /* don't leak out unref'd fb's */
+ if (obj && (obj->type == DRM_MODE_OBJECT_FB))
obj = NULL;
- mutex_unlock(&dev->mode_config.idr_mutex);
-
return obj;
}
EXPORT_SYMBOL(drm_mode_object_find);
*/
void drm_framebuffer_unreference(struct drm_framebuffer *fb)
{
- DRM_DEBUG("FB ID: %d\n", fb->base.id);
+ DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount));
kref_put(&fb->refcount, drm_framebuffer_free);
}
EXPORT_SYMBOL(drm_framebuffer_unreference);
*/
void drm_framebuffer_reference(struct drm_framebuffer *fb)
{
- DRM_DEBUG("FB ID: %d\n", fb->base.id);
+ DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount));
kref_get(&fb->refcount);
}
EXPORT_SYMBOL(drm_framebuffer_reference);
static void __drm_framebuffer_unreference(struct drm_framebuffer *fb)
{
- DRM_DEBUG("FB ID: %d\n", fb->base.id);
+ DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount));
kref_put(&fb->refcount, drm_framebuffer_free_bug);
}
}
EXPORT_SYMBOL(drm_framebuffer_remove);
+DEFINE_WW_CLASS(crtc_ww_class);
+
/**
* drm_crtc_init_with_planes - Initialise a new CRTC object with
* specified primary and cursor planes.
void *cursor,
const struct drm_crtc_funcs *funcs)
{
+ struct drm_mode_config *config = &dev->mode_config;
int ret;
crtc->dev = dev;
crtc->invert_dimensions = false;
drm_modeset_lock_all(dev);
- mutex_init(&crtc->mutex);
- mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex);
+ drm_modeset_lock_init(&crtc->mutex);
+ /* dropped by _unlock_all(): */
+ drm_modeset_lock(&crtc->mutex, config->acquire_ctx);
ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
if (ret)
crtc->base.properties = &crtc->properties;
- list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
- dev->mode_config.num_crtc++;
+ list_add_tail(&crtc->head, &config->crtc_list);
+ config->num_crtc++;
crtc->primary = primary;
if (primary)
kfree(crtc->gamma_store);
crtc->gamma_store = NULL;
+ drm_modeset_lock_fini(&crtc->mutex);
+
drm_mode_object_put(dev, &crtc->base);
list_del(&crtc->head);
dev->mode_config.num_crtc--;
ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
if (ret)
- goto out;
+ goto out_unlock;
connector->base.properties = &connector->properties;
connector->dev = dev;
ida_simple_get(connector_ida, 1, 0, GFP_KERNEL);
if (connector->connector_type_id < 0) {
ret = connector->connector_type_id;
- drm_mode_object_put(dev, &connector->base);
- goto out;
+ goto out_put;
}
+ connector->name =
+ kasprintf(GFP_KERNEL, "%s-%d",
+ drm_connector_enum_list[connector_type].name,
+ connector->connector_type_id);
+ if (!connector->name) {
+ ret = -ENOMEM;
+ goto out_put;
+ }
+
INIT_LIST_HEAD(&connector->probed_modes);
INIT_LIST_HEAD(&connector->modes);
connector->edid_blob_ptr = NULL;
drm_object_attach_property(&connector->base,
dev->mode_config.dpms_property, 0);
- out:
+out_put:
+ if (ret)
+ drm_mode_object_put(dev, &connector->base);
+
+out_unlock:
drm_modeset_unlock_all(dev);
return ret;
connector->connector_type_id);
drm_mode_object_put(dev, &connector->base);
+ kfree(connector->name);
+ connector->name = NULL;
list_del(&connector->head);
dev->mode_config.num_connector--;
}
ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
if (ret)
- goto out;
+ goto out_unlock;
encoder->dev = dev;
encoder->encoder_type = encoder_type;
encoder->funcs = funcs;
+ encoder->name = kasprintf(GFP_KERNEL, "%s-%d",
+ drm_encoder_enum_list[encoder_type].name,
+ encoder->base.id);
+ if (!encoder->name) {
+ ret = -ENOMEM;
+ goto out_put;
+ }
list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
dev->mode_config.num_encoder++;
- out:
+out_put:
+ if (ret)
+ drm_mode_object_put(dev, &encoder->base);
+
+out_unlock:
drm_modeset_unlock_all(dev);
return ret;
struct drm_device *dev = encoder->dev;
drm_modeset_lock_all(dev);
drm_mode_object_put(dev, &encoder->base);
+ kfree(encoder->name);
+ encoder->name = NULL;
list_del(&encoder->head);
dev->mode_config.num_encoder--;
drm_modeset_unlock_all(dev);
*/
void drm_plane_force_disable(struct drm_plane *plane)
{
+ struct drm_framebuffer *old_fb = plane->fb;
int ret;
- if (!plane->fb)
+ if (!old_fb)
return;
ret = plane->funcs->disable_plane(plane);
- if (ret)
+ if (ret) {
DRM_ERROR("failed to disable plane with busy fb\n");
+ return;
+ }
/* disconnect the plane from the fb and crtc: */
- __drm_framebuffer_unreference(plane->fb);
+ __drm_framebuffer_unreference(old_fb);
plane->fb = NULL;
plane->crtc = NULL;
}
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.
&dev->mode_config.encoder_list,
head) {
DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
- drm_get_encoder_name(encoder));
+ encoder->name);
if (put_user(encoder->base.id, encoder_id +
copied)) {
ret = -EFAULT;
head) {
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id,
- drm_get_connector_name(connector));
+ connector->name);
if (put_user(connector->base.id,
connector_id + copied)) {
ret = -EFAULT;
{
struct drm_mode_crtc *crtc_resp = data;
struct drm_crtc *crtc;
- struct drm_mode_object *obj;
int ret = 0;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
- DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, crtc_resp->crtc_id);
+ if (!crtc) {
ret = -ENOENT;
goto out;
}
- crtc = obj_to_crtc(obj);
crtc_resp->x = crtc->x;
crtc_resp->y = crtc->y;
struct drm_file *file_priv)
{
struct drm_mode_get_connector *out_resp = data;
- struct drm_mode_object *obj;
struct drm_connector *connector;
struct drm_display_mode *mode;
int mode_count = 0;
mutex_lock(&dev->mode_config.mutex);
- obj = drm_mode_object_find(dev, out_resp->connector_id,
- DRM_MODE_OBJECT_CONNECTOR);
- if (!obj) {
+ connector = drm_connector_find(dev, out_resp->connector_id);
+ if (!connector) {
ret = -ENOENT;
goto out;
}
- connector = obj_to_connector(obj);
props_count = connector->properties.count;
out_resp->mm_height = connector->display_info.height_mm;
out_resp->subpixel = connector->display_info.subpixel_order;
out_resp->connection = connector->status;
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
if (connector->encoder)
out_resp->encoder_id = connector->encoder->base.id;
else
out_resp->encoder_id = 0;
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
/*
* This ioctl is called twice, once to determine how much space is
struct drm_file *file_priv)
{
struct drm_mode_get_encoder *enc_resp = data;
- struct drm_mode_object *obj;
struct drm_encoder *encoder;
int ret = 0;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, enc_resp->encoder_id,
- DRM_MODE_OBJECT_ENCODER);
- if (!obj) {
+ encoder = drm_encoder_find(dev, enc_resp->encoder_id);
+ if (!encoder) {
ret = -ENOENT;
goto out;
}
- encoder = obj_to_encoder(obj);
if (encoder->crtc)
enc_resp->crtc_id = encoder->crtc->base.id;
struct drm_file *file_priv)
{
struct drm_mode_get_plane *plane_resp = data;
- struct drm_mode_object *obj;
struct drm_plane *plane;
uint32_t __user *format_ptr;
int ret = 0;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, plane_resp->plane_id,
- DRM_MODE_OBJECT_PLANE);
- if (!obj) {
+ plane = drm_plane_find(dev, plane_resp->plane_id);
+ if (!plane) {
ret = -ENOENT;
goto out;
}
- plane = obj_to_plane(obj);
if (plane->crtc)
plane_resp->crtc_id = plane->crtc->base.id;
struct drm_file *file_priv)
{
struct drm_mode_set_plane *plane_req = data;
- struct drm_mode_object *obj;
struct drm_plane *plane;
struct drm_crtc *crtc;
struct drm_framebuffer *fb = NULL, *old_fb = NULL;
* First, find the plane, crtc, and fb objects. If not available,
* we don't bother to call the driver.
*/
- obj = drm_mode_object_find(dev, plane_req->plane_id,
- DRM_MODE_OBJECT_PLANE);
- if (!obj) {
+ plane = drm_plane_find(dev, plane_req->plane_id);
+ if (!plane) {
DRM_DEBUG_KMS("Unknown plane ID %d\n",
plane_req->plane_id);
return -ENOENT;
}
- plane = obj_to_plane(obj);
/* No fb means shut it down */
if (!plane_req->fb_id) {
drm_modeset_lock_all(dev);
old_fb = plane->fb;
- plane->funcs->disable_plane(plane);
- plane->crtc = NULL;
- plane->fb = NULL;
+ ret = plane->funcs->disable_plane(plane);
+ if (!ret) {
+ plane->crtc = NULL;
+ plane->fb = NULL;
+ } else {
+ old_fb = NULL;
+ }
drm_modeset_unlock_all(dev);
goto out;
}
- obj = drm_mode_object_find(dev, plane_req->crtc_id,
- DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, plane_req->crtc_id);
+ if (!crtc) {
DRM_DEBUG_KMS("Unknown crtc ID %d\n",
plane_req->crtc_id);
ret = -ENOENT;
goto out;
}
- crtc = obj_to_crtc(obj);
+
+ /* Check whether this plane is usable on this CRTC */
+ if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) {
+ DRM_DEBUG_KMS("Invalid crtc for plane\n");
+ ret = -EINVAL;
+ goto out;
+ }
fb = drm_framebuffer_lookup(dev, plane_req->fb_id);
if (!fb) {
}
drm_modeset_lock_all(dev);
+ old_fb = plane->fb;
ret = plane->funcs->update_plane(plane, crtc, fb,
plane_req->crtc_x, plane_req->crtc_y,
plane_req->crtc_w, plane_req->crtc_h,
plane_req->src_x, plane_req->src_y,
plane_req->src_w, plane_req->src_h);
if (!ret) {
- old_fb = plane->fb;
plane->crtc = crtc;
plane->fb = fb;
fb = NULL;
+ } else {
+ old_fb = NULL;
}
drm_modeset_unlock_all(dev);
ret = crtc->funcs->set_config(set);
if (ret == 0) {
crtc->primary->crtc = crtc;
-
- /* crtc->fb must be updated by ->set_config, enforces this. */
- WARN_ON(fb != crtc->primary->fb);
+ crtc->primary->fb = fb;
}
list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) {
{
struct drm_mode_config *config = &dev->mode_config;
struct drm_mode_crtc *crtc_req = data;
- struct drm_mode_object *obj;
struct drm_crtc *crtc;
struct drm_connector **connector_set = NULL, *connector;
struct drm_framebuffer *fb = NULL;
return -ERANGE;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, crtc_req->crtc_id,
- DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, crtc_req->crtc_id);
+ if (!crtc) {
DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
ret = -ENOENT;
goto out;
}
- crtc = obj_to_crtc(obj);
DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
if (crtc_req->mode_valid) {
goto out;
}
- obj = drm_mode_object_find(dev, out_id,
- DRM_MODE_OBJECT_CONNECTOR);
- if (!obj) {
+ connector = drm_connector_find(dev, out_id);
+ if (!connector) {
DRM_DEBUG_KMS("Connector id %d unknown\n",
out_id);
ret = -ENOENT;
goto out;
}
- connector = obj_to_connector(obj);
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id,
- drm_get_connector_name(connector));
+ connector->name);
connector_set[i] = connector;
}
struct drm_mode_cursor2 *req,
struct drm_file *file_priv)
{
- struct drm_mode_object *obj;
struct drm_crtc *crtc;
int ret = 0;
if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags))
return -EINVAL;
- obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, req->crtc_id);
+ if (!crtc) {
DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
return -ENOENT;
}
- crtc = obj_to_crtc(obj);
- mutex_lock(&crtc->mutex);
+ drm_modeset_lock(&crtc->mutex, NULL);
if (req->flags & DRM_MODE_CURSOR_BO) {
if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) {
ret = -ENXIO;
}
}
out:
- mutex_unlock(&crtc->mutex);
+ drm_modeset_unlock(&crtc->mutex);
return ret;
return 0;
}
-/**
- * drm_mode_addfb2 - add an FB to the graphics configuration
- * @dev: drm device for the ioctl
- * @data: data pointer for the ioctl
- * @file_priv: drm file for the ioctl call
- *
- * Add a new FB to the specified CRTC, given a user request with format. This is
- * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers
- * and uses fourcc codes as pixel format specifiers.
- *
- * Called by the user via ioctl.
- *
- * Returns:
- * Zero on success, errno on failure.
- */
-int drm_mode_addfb2(struct drm_device *dev,
- void *data, struct drm_file *file_priv)
+static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+ struct drm_mode_fb_cmd2 *r,
+ struct drm_file *file_priv)
{
- struct drm_mode_fb_cmd2 *r = data;
struct drm_mode_config *config = &dev->mode_config;
struct drm_framebuffer *fb;
int ret;
- if (!drm_core_check_feature(dev, DRIVER_MODESET))
- return -EINVAL;
-
if (r->flags & ~DRM_MODE_FB_INTERLACED) {
DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags);
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
if ((config->min_width > r->width) || (r->width > config->max_width)) {
DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n",
r->width, config->min_width, config->max_width);
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
if ((config->min_height > r->height) || (r->height > config->max_height)) {
DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n",
r->height, config->min_height, config->max_height);
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
ret = framebuffer_check(r);
if (ret)
- return ret;
+ return ERR_PTR(ret);
fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
if (IS_ERR(fb)) {
DRM_DEBUG_KMS("could not create framebuffer\n");
- return PTR_ERR(fb);
+ return fb;
}
mutex_lock(&file_priv->fbs_lock);
DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
mutex_unlock(&file_priv->fbs_lock);
+ return fb;
+}
- return ret;
+/**
+ * drm_mode_addfb2 - add an FB to the graphics configuration
+ * @dev: drm device for the ioctl
+ * @data: data pointer for the ioctl
+ * @file_priv: drm file for the ioctl call
+ *
+ * Add a new FB to the specified CRTC, given a user request with format. This is
+ * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers
+ * and uses fourcc codes as pixel format specifiers.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ * Zero on success, errno on failure.
+ */
+int drm_mode_addfb2(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ struct drm_framebuffer *fb;
+
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
+ fb = add_framebuffer_internal(dev, data, file_priv);
+ if (IS_ERR(fb))
+ return PTR_ERR(fb);
+
+ return 0;
}
/**
if (!property)
return NULL;
+ property->dev = dev;
+
if (num_values) {
property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
if (!property->values)
}
list_add_tail(&property->head, &dev->mode_config.property_list);
+
+ WARN_ON(!drm_property_type_valid(property));
+
return property;
fail:
kfree(property->values);
}
EXPORT_SYMBOL(drm_property_create_bitmask);
+static struct drm_property *property_create_range(struct drm_device *dev,
+ int flags, const char *name,
+ uint64_t min, uint64_t max)
+{
+ struct drm_property *property;
+
+ property = drm_property_create(dev, flags, name, 2);
+ if (!property)
+ return NULL;
+
+ property->values[0] = min;
+ property->values[1] = max;
+
+ return property;
+}
+
/**
* drm_property_create - create a new ranged property type
* @dev: drm device
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max)
+{
+ return property_create_range(dev, DRM_MODE_PROP_RANGE | flags,
+ name, min, max);
+}
+EXPORT_SYMBOL(drm_property_create_range);
+
+struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
+ int flags, const char *name,
+ int64_t min, int64_t max)
+{
+ return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags,
+ name, I642U64(min), I642U64(max));
+}
+EXPORT_SYMBOL(drm_property_create_signed_range);
+
+struct drm_property *drm_property_create_object(struct drm_device *dev,
+ int flags, const char *name, uint32_t type)
{
struct drm_property *property;
- flags |= DRM_MODE_PROP_RANGE;
+ flags |= DRM_MODE_PROP_OBJECT;
- property = drm_property_create(dev, flags, name, 2);
+ property = drm_property_create(dev, flags, name, 1);
if (!property)
return NULL;
- property->values[0] = min;
- property->values[1] = max;
+ property->values[0] = type;
return property;
}
-EXPORT_SYMBOL(drm_property_create_range);
+EXPORT_SYMBOL(drm_property_create_object);
/**
* drm_property_add_enum - add a possible value to an enumeration property
{
struct drm_property_enum *prop_enum;
- if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)))
+ if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) ||
+ drm_property_type_is(property, DRM_MODE_PROP_BITMASK)))
return -EINVAL;
/*
* Bitmask enum properties have the additional constraint of values
* from 0 to 63
*/
- if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63))
+ if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) &&
+ (value > 63))
return -EINVAL;
if (!list_empty(&property->enum_blob_list)) {
int drm_mode_getproperty_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
- struct drm_mode_object *obj;
struct drm_mode_get_property *out_resp = data;
struct drm_property *property;
int enum_count = 0;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
- if (!obj) {
+ property = drm_property_find(dev, out_resp->prop_id);
+ if (!property) {
ret = -ENOENT;
goto done;
}
- property = obj_to_property(obj);
- if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
+ if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) ||
+ drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) {
list_for_each_entry(prop_enum, &property->enum_blob_list, head)
enum_count++;
- } else if (property->flags & DRM_MODE_PROP_BLOB) {
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) {
list_for_each_entry(prop_blob, &property->enum_blob_list, head)
blob_count++;
}
}
out_resp->count_values = value_count;
- if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
+ if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) ||
+ drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) {
if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
copied = 0;
enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
out_resp->count_enum_blobs = enum_count;
}
- if (property->flags & DRM_MODE_PROP_BLOB) {
+ if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) {
if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
copied = 0;
blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr;
int drm_mode_getblob_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
- struct drm_mode_object *obj;
struct drm_mode_get_blob *out_resp = data;
struct drm_property_blob *blob;
int ret = 0;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
- if (!obj) {
+ blob = drm_property_blob_find(dev, out_resp->blob_id);
+ if (!blob) {
ret = -ENOENT;
goto done;
}
- blob = obj_to_blob(obj);
if (out_resp->length == blob->length) {
blob_ptr = (void __user *)(unsigned long)out_resp->data;
{
if (property->flags & DRM_MODE_PROP_IMMUTABLE)
return false;
- if (property->flags & DRM_MODE_PROP_RANGE) {
+
+ if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) {
if (value < property->values[0] || value > property->values[1])
return false;
return true;
- } else if (property->flags & DRM_MODE_PROP_BITMASK) {
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) {
+ int64_t svalue = U642I64(value);
+ if (svalue < U642I64(property->values[0]) ||
+ svalue > U642I64(property->values[1]))
+ return false;
+ return true;
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) {
int i;
uint64_t valid_mask = 0;
for (i = 0; i < property->num_values; i++)
valid_mask |= (1ULL << property->values[i]);
return !(value & ~valid_mask);
- } else if (property->flags & DRM_MODE_PROP_BLOB) {
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) {
/* Only the driver knows */
return true;
+ } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) {
+ struct drm_mode_object *obj;
+ /* a zero value for an object property translates to null: */
+ if (value == 0)
+ return true;
+ /*
+ * NOTE: use _object_find() directly to bypass restriction on
+ * looking up refcnt'd objects (ie. fb's). For a refcnt'd
+ * object this could race against object finalization, so it
+ * simply tells us that the object *was* valid. Which is good
+ * enough.
+ */
+ obj = _object_find(property->dev, value, property->values[0]);
+ return obj != NULL;
} else {
int i;
for (i = 0; i < property->num_values; i++)
void *data, struct drm_file *file_priv)
{
struct drm_mode_crtc_lut *crtc_lut = data;
- struct drm_mode_object *obj;
struct drm_crtc *crtc;
void *r_base, *g_base, *b_base;
int size;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, crtc_lut->crtc_id);
+ if (!crtc) {
ret = -ENOENT;
goto out;
}
- crtc = obj_to_crtc(obj);
if (crtc->funcs->gamma_set == NULL) {
ret = -ENOSYS;
void *data, struct drm_file *file_priv)
{
struct drm_mode_crtc_lut *crtc_lut = data;
- struct drm_mode_object *obj;
struct drm_crtc *crtc;
void *r_base, *g_base, *b_base;
int size;
return -EINVAL;
drm_modeset_lock_all(dev);
- obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
- if (!obj) {
+ crtc = drm_crtc_find(dev, crtc_lut->crtc_id);
+ if (!crtc) {
ret = -ENOENT;
goto out;
}
- crtc = obj_to_crtc(obj);
/* memcpy into gamma store */
if (crtc_lut->gamma_size != crtc->gamma_size) {
void *data, struct drm_file *file_priv)
{
struct drm_mode_crtc_page_flip *page_flip = data;
- struct drm_mode_object *obj;
struct drm_crtc *crtc;
struct drm_framebuffer *fb = NULL, *old_fb = NULL;
struct drm_pending_vblank_event *e = NULL;
if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip)
return -EINVAL;
- obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
- if (!obj)
+ crtc = drm_crtc_find(dev, page_flip->crtc_id);
+ if (!crtc)
return -ENOENT;
- crtc = obj_to_crtc(obj);
- mutex_lock(&crtc->mutex);
+ drm_modeset_lock(&crtc->mutex, NULL);
if (crtc->primary->fb == NULL) {
/* The framebuffer is currently unbound, presumably
* due to a hotplug event, that userspace has not
drm_framebuffer_unreference(fb);
if (old_fb)
drm_framebuffer_unreference(old_fb);
- mutex_unlock(&crtc->mutex);
+ drm_modeset_unlock(&crtc->mutex);
return ret;
}
void drm_mode_config_init(struct drm_device *dev)
{
mutex_init(&dev->mode_config.mutex);
+ drm_modeset_lock_init(&dev->mode_config.connection_mutex);
mutex_init(&dev->mode_config.idr_mutex);
mutex_init(&dev->mode_config.fb_lock);
INIT_LIST_HEAD(&dev->mode_config.fb_list);
}
idr_destroy(&dev->mode_config.crtc_idr);
+ drm_modeset_lock_fini(&dev->mode_config.connection_mutex);
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
projects / deliverable / linux.git / blobdiff