*/
WARN_ON(!drm_modeset_is_locked(&config->connection_mutex));
- DRM_DEBUG_KMS("[ENCODER:%d:%s] in use on [CRTC:%d], stealing it\n",
- encoder->base.id, encoder->name,
- encoder_crtc->base.id);
+ DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on [CRTC:%d], stealing it\n",
+ encoder->base.id, encoder->name,
+ encoder_crtc->base.id);
crtc_state = drm_atomic_get_crtc_state(state, encoder_crtc);
if (IS_ERR(crtc_state))
if (connector->state->best_encoder != encoder)
continue;
- DRM_DEBUG_KMS("Stealing encoder from [CONNECTOR:%d:%s]\n",
- connector->base.id,
- connector->name);
+ DRM_DEBUG_ATOMIC("Stealing encoder from [CONNECTOR:%d:%s]\n",
+ connector->base.id,
+ connector->name);
connector_state = drm_atomic_get_connector_state(state,
connector);
static int
update_connector_routing(struct drm_atomic_state *state, int conn_idx)
{
- struct drm_connector_helper_funcs *funcs;
+ const struct drm_connector_helper_funcs *funcs;
struct drm_encoder *new_encoder;
struct drm_crtc *encoder_crtc;
struct drm_connector *connector;
if (!connector)
return 0;
- DRM_DEBUG_KMS("Updating routing for [CONNECTOR:%d:%s]\n",
- connector->base.id,
- connector->name);
+ DRM_DEBUG_ATOMIC("Updating routing for [CONNECTOR:%d:%s]\n",
+ connector->base.id,
+ connector->name);
if (connector->state->crtc != connector_state->crtc) {
if (connector->state->crtc) {
}
if (!connector_state->crtc) {
- DRM_DEBUG_KMS("Disabling [CONNECTOR:%d:%s]\n",
+ DRM_DEBUG_ATOMIC("Disabling [CONNECTOR:%d:%s]\n",
connector->base.id,
connector->name);
new_encoder = funcs->best_encoder(connector);
if (!new_encoder) {
- DRM_DEBUG_KMS("No suitable encoder found for [CONNECTOR:%d:%s]\n",
- connector->base.id,
- connector->name);
+ DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n",
+ connector->base.id,
+ connector->name);
return -EINVAL;
}
if (new_encoder == connector_state->best_encoder) {
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] keeps [ENCODER:%d:%s], now on [CRTC:%d]\n",
- connector->base.id,
- connector->name,
- new_encoder->base.id,
- new_encoder->name,
- connector_state->crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] keeps [ENCODER:%d:%s], now on [CRTC:%d]\n",
+ connector->base.id,
+ connector->name,
+ new_encoder->base.id,
+ new_encoder->name,
+ connector_state->crtc->base.id);
return 0;
}
if (encoder_crtc) {
ret = steal_encoder(state, new_encoder, encoder_crtc);
if (ret) {
- DRM_DEBUG_KMS("Encoder stealing failed for [CONNECTOR:%d:%s]\n",
- connector->base.id,
- connector->name);
+ DRM_DEBUG_ATOMIC("Encoder stealing failed for [CONNECTOR:%d:%s]\n",
+ connector->base.id,
+ connector->name);
return ret;
}
}
crtc_state = state->crtc_states[idx];
crtc_state->mode_changed = true;
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] using [ENCODER:%d:%s] on [CRTC:%d]\n",
- connector->base.id,
- connector->name,
- new_encoder->base.id,
- new_encoder->name,
- connector_state->crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] using [ENCODER:%d:%s] on [CRTC:%d]\n",
+ connector->base.id,
+ connector->name,
+ new_encoder->base.id,
+ new_encoder->name,
+ connector_state->crtc->base.id);
return 0;
}
static int
mode_fixup(struct drm_atomic_state *state)
{
- int ncrtcs = state->dev->mode_config.num_crtc;
+ struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
+ struct drm_connector *connector;
struct drm_connector_state *conn_state;
int i;
bool ret;
- for (i = 0; i < ncrtcs; i++) {
- crtc_state = state->crtc_states[i];
-
- if (!crtc_state || !crtc_state->mode_changed)
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ if (!crtc_state->mode_changed)
continue;
drm_mode_copy(&crtc_state->adjusted_mode, &crtc_state->mode);
}
- for (i = 0; i < state->num_connector; i++) {
- struct drm_encoder_helper_funcs *funcs;
+ for_each_connector_in_state(state, connector, conn_state, i) {
+ const struct drm_encoder_helper_funcs *funcs;
struct drm_encoder *encoder;
- conn_state = state->connector_states[i];
-
- if (!conn_state)
- continue;
-
WARN_ON(!!conn_state->best_encoder != !!conn_state->crtc);
if (!conn_state->crtc || !conn_state->best_encoder)
*/
encoder = conn_state->best_encoder;
funcs = encoder->helper_private;
+ if (!funcs)
+ continue;
if (encoder->bridge && encoder->bridge->funcs->mode_fixup) {
ret = encoder->bridge->funcs->mode_fixup(
encoder->bridge, &crtc_state->mode,
&crtc_state->adjusted_mode);
if (!ret) {
- DRM_DEBUG_KMS("Bridge fixup failed\n");
+ DRM_DEBUG_ATOMIC("Bridge fixup failed\n");
return -EINVAL;
}
}
ret = funcs->atomic_check(encoder, crtc_state,
conn_state);
if (ret) {
- DRM_DEBUG_KMS("[ENCODER:%d:%s] check failed\n",
- encoder->base.id, encoder->name);
+ DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] check failed\n",
+ encoder->base.id, encoder->name);
return ret;
}
} else {
ret = funcs->mode_fixup(encoder, &crtc_state->mode,
&crtc_state->adjusted_mode);
if (!ret) {
- DRM_DEBUG_KMS("[ENCODER:%d:%s] fixup failed\n",
- encoder->base.id, encoder->name);
+ DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] fixup failed\n",
+ encoder->base.id, encoder->name);
return -EINVAL;
}
}
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc;
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
- crtc_state = state->crtc_states[i];
- crtc = state->crtcs[i];
-
- if (!crtc_state || !crtc_state->mode_changed)
+ if (!crtc_state->mode_changed)
continue;
funcs = crtc->helper_private;
+ if (!funcs->mode_fixup)
+ continue;
+
ret = funcs->mode_fixup(crtc, &crtc_state->mode,
&crtc_state->adjusted_mode);
if (!ret) {
- DRM_DEBUG_KMS("[CRTC:%d] fixup failed\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] fixup failed\n",
+ crtc->base.id);
return -EINVAL;
}
}
}
/**
- * drm_atomic_helper_check - validate state object for modeset changes
+ * drm_atomic_helper_check_modeset - validate state object for modeset changes
* @dev: DRM device
* @state: the driver state object
*
drm_atomic_helper_check_modeset(struct drm_device *dev,
struct drm_atomic_state *state)
{
- int ncrtcs = dev->mode_config.num_crtc;
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
+ struct drm_connector *connector;
+ struct drm_connector_state *connector_state;
int i, ret;
- for (i = 0; i < ncrtcs; i++) {
- crtc = state->crtcs[i];
- crtc_state = state->crtc_states[i];
-
- if (!crtc)
- continue;
-
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
if (!drm_mode_equal(&crtc->state->mode, &crtc_state->mode)) {
- DRM_DEBUG_KMS("[CRTC:%d] mode changed\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] mode changed\n",
+ crtc->base.id);
crtc_state->mode_changed = true;
}
if (crtc->state->enable != crtc_state->enable) {
- DRM_DEBUG_KMS("[CRTC:%d] enable changed\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] enable changed\n",
+ crtc->base.id);
crtc_state->mode_changed = true;
}
}
- for (i = 0; i < state->num_connector; i++) {
+ for_each_connector_in_state(state, connector, connector_state, i) {
/*
* This only sets crtc->mode_changed for routing changes,
* drivers must set crtc->mode_changed themselves when connector
* configuration. This must be done before calling mode_fixup in case a
* crtc only changed its mode but has the same set of connectors.
*/
- for (i = 0; i < ncrtcs; i++) {
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
int num_connectors;
- crtc = state->crtcs[i];
- crtc_state = state->crtc_states[i];
-
- if (!crtc)
- continue;
-
/*
* We must set ->active_changed after walking connectors for
* otherwise an update that only changes active would result in
* a full modeset because update_connector_routing force that.
*/
if (crtc->state->active != crtc_state->active) {
- DRM_DEBUG_KMS("[CRTC:%d] active changed\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] active changed\n",
+ crtc->base.id);
crtc_state->active_changed = true;
}
if (!needs_modeset(crtc_state))
continue;
- DRM_DEBUG_KMS("[CRTC:%d] needs all connectors, enable: %c, active: %c\n",
- crtc->base.id,
- crtc_state->enable ? 'y' : 'n',
+ DRM_DEBUG_ATOMIC("[CRTC:%d] needs all connectors, enable: %c, active: %c\n",
+ crtc->base.id,
+ crtc_state->enable ? 'y' : 'n',
crtc_state->active ? 'y' : 'n');
ret = drm_atomic_add_affected_connectors(state, crtc);
crtc);
if (crtc_state->enable != !!num_connectors) {
- DRM_DEBUG_KMS("[CRTC:%d] enabled/connectors mismatch\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] enabled/connectors mismatch\n",
+ crtc->base.id);
return -EINVAL;
}
EXPORT_SYMBOL(drm_atomic_helper_check_modeset);
/**
- * drm_atomic_helper_check - validate state object for modeset changes
+ * drm_atomic_helper_check_planes - validate state object for planes changes
* @dev: DRM device
* @state: the driver state object
*
drm_atomic_helper_check_planes(struct drm_device *dev,
struct drm_atomic_state *state)
{
- int nplanes = dev->mode_config.num_total_plane;
- int ncrtcs = dev->mode_config.num_crtc;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
int i, ret = 0;
- for (i = 0; i < nplanes; i++) {
- struct drm_plane_helper_funcs *funcs;
- struct drm_plane *plane = state->planes[i];
- struct drm_plane_state *plane_state = state->plane_states[i];
-
- if (!plane)
- continue;
+ for_each_plane_in_state(state, plane, plane_state, i) {
+ const struct drm_plane_helper_funcs *funcs;
funcs = plane->helper_private;
ret = funcs->atomic_check(plane, plane_state);
if (ret) {
- DRM_DEBUG_KMS("[PLANE:%d] atomic driver check failed\n",
- plane->base.id);
+ DRM_DEBUG_ATOMIC("[PLANE:%d] atomic driver check failed\n",
+ plane->base.id);
return ret;
}
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc = state->crtcs[i];
-
- if (!crtc)
- continue;
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
funcs = crtc->helper_private;
ret = funcs->atomic_check(crtc, state->crtc_states[i]);
if (ret) {
- DRM_DEBUG_KMS("[CRTC:%d] atomic driver check failed\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("[CRTC:%d] atomic driver check failed\n",
+ crtc->base.id);
return ret;
}
}
static void
disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
{
- int ncrtcs = old_state->dev->mode_config.num_crtc;
+ struct drm_connector *connector;
+ struct drm_connector_state *old_conn_state;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
int i;
- for (i = 0; i < old_state->num_connector; i++) {
- struct drm_connector_state *old_conn_state;
- struct drm_connector *connector;
- struct drm_encoder_helper_funcs *funcs;
+ for_each_connector_in_state(old_state, connector, old_conn_state, i) {
+ const struct drm_encoder_helper_funcs *funcs;
struct drm_encoder *encoder;
struct drm_crtc_state *old_crtc_state;
- old_conn_state = old_state->connector_states[i];
- connector = old_state->connectors[i];
-
/* Shut down everything that's in the changeset and currently
* still on. So need to check the old, saved state. */
- if (!old_conn_state || !old_conn_state->crtc)
+ if (!old_conn_state->crtc)
continue;
old_crtc_state = old_state->crtc_states[drm_crtc_index(old_conn_state->crtc)];
- if (!old_crtc_state->active)
+ if (!old_crtc_state->active ||
+ !needs_modeset(old_conn_state->crtc->state))
continue;
encoder = old_conn_state->best_encoder;
funcs = encoder->helper_private;
- DRM_DEBUG_KMS("disabling [ENCODER:%d:%s]\n",
- encoder->base.id, encoder->name);
+ DRM_DEBUG_ATOMIC("disabling [ENCODER:%d:%s]\n",
+ encoder->base.id, encoder->name);
/*
* Each encoder has at most one connector (since we always steal
- * it away), so we won't call call disable hooks twice.
+ * it away), so we won't call disable hooks twice.
*/
if (encoder->bridge)
encoder->bridge->funcs->disable(encoder->bridge);
encoder->bridge->funcs->post_disable(encoder->bridge);
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc;
- struct drm_crtc_state *old_crtc_state;
-
- crtc = old_state->crtcs[i];
- old_crtc_state = old_state->crtc_states[i];
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
/* Shut down everything that needs a full modeset. */
- if (!crtc || !needs_modeset(crtc->state))
+ if (!needs_modeset(crtc->state))
continue;
if (!old_crtc_state->active)
funcs = crtc->helper_private;
- DRM_DEBUG_KMS("disabling [CRTC:%d]\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("disabling [CRTC:%d]\n",
+ crtc->base.id);
/* Right function depends upon target state. */
}
}
-static void
-set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_state)
+/**
+ * drm_atomic_helper_update_legacy_modeset_state - update legacy modeset state
+ * @dev: DRM device
+ * @old_state: atomic state object with old state structures
+ *
+ * This function updates all the various legacy modeset state pointers in
+ * connectors, encoders and crtcs. It also updates the timestamping constants
+ * used for precise vblank timestamps by calling
+ * drm_calc_timestamping_constants().
+ *
+ * Drivers can use this for building their own atomic commit if they don't have
+ * a pure helper-based modeset implementation.
+ */
+void
+drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
+ struct drm_atomic_state *old_state)
{
- int ncrtcs = old_state->dev->mode_config.num_crtc;
+ struct drm_connector *connector;
+ struct drm_connector_state *old_conn_state;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
int i;
/* clear out existing links */
- for (i = 0; i < old_state->num_connector; i++) {
- struct drm_connector *connector;
-
- connector = old_state->connectors[i];
-
- if (!connector || !connector->encoder)
+ for_each_connector_in_state(old_state, connector, old_conn_state, i) {
+ if (!connector->encoder)
continue;
WARN_ON(!connector->encoder->crtc);
}
/* set new links */
- for (i = 0; i < old_state->num_connector; i++) {
- struct drm_connector *connector;
-
- connector = old_state->connectors[i];
-
- if (!connector || !connector->state->crtc)
+ for_each_connector_in_state(old_state, connector, old_conn_state, i) {
+ if (!connector->state->crtc)
continue;
if (WARN_ON(!connector->state->best_encoder))
}
/* set legacy state in the crtc structure */
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc *crtc;
-
- crtc = old_state->crtcs[i];
-
- if (!crtc)
- continue;
-
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
crtc->mode = crtc->state->mode;
crtc->enabled = crtc->state->enable;
crtc->x = crtc->primary->state->src_x >> 16;
crtc->y = crtc->primary->state->src_y >> 16;
+
+ if (crtc->state->enable)
+ drm_calc_timestamping_constants(crtc,
+ &crtc->state->adjusted_mode);
}
}
+EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state);
static void
crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
{
- int ncrtcs = old_state->dev->mode_config.num_crtc;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
+ struct drm_connector *connector;
+ struct drm_connector_state *old_conn_state;
int i;
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc;
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
- crtc = old_state->crtcs[i];
-
- if (!crtc || !crtc->state->mode_changed)
+ if (!crtc->state->mode_changed)
continue;
funcs = crtc->helper_private;
- if (crtc->state->enable) {
- DRM_DEBUG_KMS("modeset on [CRTC:%d]\n",
- crtc->base.id);
+ if (crtc->state->enable && funcs->mode_set_nofb) {
+ DRM_DEBUG_ATOMIC("modeset on [CRTC:%d]\n",
+ crtc->base.id);
funcs->mode_set_nofb(crtc);
}
}
- for (i = 0; i < old_state->num_connector; i++) {
- struct drm_connector *connector;
+ for_each_connector_in_state(old_state, connector, old_conn_state, i) {
+ const struct drm_encoder_helper_funcs *funcs;
struct drm_crtc_state *new_crtc_state;
- struct drm_encoder_helper_funcs *funcs;
struct drm_encoder *encoder;
struct drm_display_mode *mode, *adjusted_mode;
- connector = old_state->connectors[i];
-
- if (!connector || !connector->state->best_encoder)
+ if (!connector->state->best_encoder)
continue;
encoder = connector->state->best_encoder;
if (!new_crtc_state->mode_changed)
continue;
- DRM_DEBUG_KMS("modeset on [ENCODER:%d:%s]\n",
- encoder->base.id, encoder->name);
+ DRM_DEBUG_ATOMIC("modeset on [ENCODER:%d:%s]\n",
+ encoder->base.id, encoder->name);
/*
* Each encoder has at most one connector (since we always steal
- * it away), so we won't call call mode_set hooks twice.
+ * it away), so we won't call mode_set hooks twice.
*/
- funcs->mode_set(encoder, mode, adjusted_mode);
+ if (funcs->mode_set)
+ funcs->mode_set(encoder, mode, adjusted_mode);
if (encoder->bridge && encoder->bridge->funcs->mode_set)
encoder->bridge->funcs->mode_set(encoder->bridge,
}
/**
- * drm_atomic_helper_commit_pre_planes - modeset commit before plane updates
+ * drm_atomic_helper_commit_modeset_disables - modeset commit to disable outputs
* @dev: DRM device
- * @state: atomic state
+ * @old_state: atomic state object with old state structures
*
- * This function commits the modeset changes that need to be committed before
- * updating planes. It shuts down all the outputs that need to be shut down and
+ * This function shuts down all the outputs that need to be shut down and
* prepares them (if required) with the new mode.
+ *
+ * For compatability with legacy crtc helpers this should be called before
+ * drm_atomic_helper_commit_planes(), which is what the default commit function
+ * does. But drivers with different needs can group the modeset commits together
+ * and do the plane commits at the end. This is useful for drivers doing runtime
+ * PM since planes updates then only happen when the CRTC is actually enabled.
*/
-void drm_atomic_helper_commit_pre_planes(struct drm_device *dev,
- struct drm_atomic_state *state)
+void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
+ struct drm_atomic_state *old_state)
{
- disable_outputs(dev, state);
- set_routing_links(dev, state);
- crtc_set_mode(dev, state);
+ disable_outputs(dev, old_state);
+
+ drm_atomic_helper_update_legacy_modeset_state(dev, old_state);
+
+ crtc_set_mode(dev, old_state);
}
-EXPORT_SYMBOL(drm_atomic_helper_commit_pre_planes);
+EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_disables);
/**
- * drm_atomic_helper_commit_post_planes - modeset commit after plane updates
+ * drm_atomic_helper_commit_modeset_enables - modeset commit to enable outputs
* @dev: DRM device
* @old_state: atomic state object with old state structures
*
- * This function commits the modeset changes that need to be committed after
- * updating planes: It enables all the outputs with the new configuration which
- * had to be turned off for the update.
+ * This function enables all the outputs with the new configuration which had to
+ * be turned off for the update.
+ *
+ * For compatability with legacy crtc helpers this should be called after
+ * drm_atomic_helper_commit_planes(), which is what the default commit function
+ * does. But drivers with different needs can group the modeset commits together
+ * and do the plane commits at the end. This is useful for drivers doing runtime
+ * PM since planes updates then only happen when the CRTC is actually enabled.
*/
-void drm_atomic_helper_commit_post_planes(struct drm_device *dev,
- struct drm_atomic_state *old_state)
+void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
+ struct drm_atomic_state *old_state)
{
- int ncrtcs = old_state->dev->mode_config.num_crtc;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
+ struct drm_connector *connector;
+ struct drm_connector_state *old_conn_state;
int i;
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc;
-
- crtc = old_state->crtcs[i];
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
/* Need to filter out CRTCs where only planes change. */
- if (!crtc || !needs_modeset(crtc->state))
+ if (!needs_modeset(crtc->state))
continue;
if (!crtc->state->active)
funcs = crtc->helper_private;
if (crtc->state->enable) {
- DRM_DEBUG_KMS("enabling [CRTC:%d]\n",
- crtc->base.id);
+ DRM_DEBUG_ATOMIC("enabling [CRTC:%d]\n",
+ crtc->base.id);
if (funcs->enable)
funcs->enable(crtc);
}
}
- for (i = 0; i < old_state->num_connector; i++) {
- struct drm_connector *connector;
- struct drm_encoder_helper_funcs *funcs;
+ for_each_connector_in_state(old_state, connector, old_conn_state, i) {
+ const struct drm_encoder_helper_funcs *funcs;
struct drm_encoder *encoder;
- connector = old_state->connectors[i];
-
- if (!connector || !connector->state->best_encoder)
+ if (!connector->state->best_encoder)
continue;
- if (!connector->state->crtc->state->active)
+ if (!connector->state->crtc->state->active ||
+ !needs_modeset(connector->state->crtc->state))
continue;
encoder = connector->state->best_encoder;
funcs = encoder->helper_private;
- DRM_DEBUG_KMS("enabling [ENCODER:%d:%s]\n",
- encoder->base.id, encoder->name);
+ DRM_DEBUG_ATOMIC("enabling [ENCODER:%d:%s]\n",
+ encoder->base.id, encoder->name);
/*
* Each encoder has at most one connector (since we always steal
- * it away), so we won't call call enable hooks twice.
+ * it away), so we won't call enable hooks twice.
*/
if (encoder->bridge)
encoder->bridge->funcs->pre_enable(encoder->bridge);
encoder->bridge->funcs->enable(encoder->bridge);
}
}
-EXPORT_SYMBOL(drm_atomic_helper_commit_post_planes);
+EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_enables);
static void wait_for_fences(struct drm_device *dev,
struct drm_atomic_state *state)
{
- int nplanes = dev->mode_config.num_total_plane;
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
int i;
- for (i = 0; i < nplanes; i++) {
- struct drm_plane *plane = state->planes[i];
-
- if (!plane || !plane->state->fence)
+ for_each_plane_in_state(state, plane, plane_state, i) {
+ if (!plane->state->fence)
continue;
WARN_ON(!plane->state->fb);
{
struct drm_plane *plane;
struct drm_plane_state *old_plane_state;
- int nplanes = old_state->dev->mode_config.num_total_plane;
int i;
- for (i = 0; i < nplanes; i++) {
- plane = old_state->planes[i];
- old_plane_state = old_state->plane_states[i];
-
- if (!plane)
- continue;
-
+ for_each_plane_in_state(old_state, plane, old_plane_state, i) {
if (plane->state->crtc != crtc &&
old_plane_state->crtc != crtc)
continue;
{
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
- int ncrtcs = old_state->dev->mode_config.num_crtc;
int i, ret;
- for (i = 0; i < ncrtcs; i++) {
- crtc = old_state->crtcs[i];
- old_crtc_state = old_state->crtc_states[i];
-
- if (!crtc)
- continue;
-
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
/* No one cares about the old state, so abuse it for tracking
* and store whether we hold a vblank reference (and should do a
* vblank wait) in the ->enable boolean. */
old_crtc_state->last_vblank_count = drm_vblank_count(dev, i);
}
- for (i = 0; i < ncrtcs; i++) {
- crtc = old_state->crtcs[i];
- old_crtc_state = old_state->crtc_states[i];
-
- if (!crtc || !old_crtc_state->enable)
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ if (!old_crtc_state->enable)
continue;
ret = wait_event_timeout(dev->vblank[i].queue,
/*
* Everything below can be run asynchronously without the need to grab
- * any modeset locks at all under one conditions: It must be guaranteed
+ * any modeset locks at all under one condition: It must be guaranteed
* that the asynchronous work has either been cancelled (if the driver
* supports it, which at least requires that the framebuffers get
* cleaned up with drm_atomic_helper_cleanup_planes()) or completed
wait_for_fences(dev, state);
- drm_atomic_helper_commit_pre_planes(dev, state);
+ drm_atomic_helper_commit_modeset_disables(dev, state);
drm_atomic_helper_commit_planes(dev, state);
- drm_atomic_helper_commit_post_planes(dev, state);
+ drm_atomic_helper_commit_modeset_enables(dev, state);
drm_atomic_helper_wait_for_vblanks(dev, state);
*/
/**
- * drm_atomic_helper_prepare_planes - prepare plane resources after commit
+ * drm_atomic_helper_prepare_planes - prepare plane resources before commit
* @dev: DRM device
- * @state: atomic state object with old state structures
+ * @state: atomic state object with new state structures
*
* This function prepares plane state, specifically framebuffers, for the new
* configuration. If any failure is encountered this function will call
int ret, i;
for (i = 0; i < nplanes; i++) {
- struct drm_plane_helper_funcs *funcs;
+ const struct drm_plane_helper_funcs *funcs;
struct drm_plane *plane = state->planes[i];
+ struct drm_plane_state *plane_state = state->plane_states[i];
struct drm_framebuffer *fb;
if (!plane)
funcs = plane->helper_private;
- fb = state->plane_states[i]->fb;
+ fb = plane_state->fb;
if (fb && funcs->prepare_fb) {
- ret = funcs->prepare_fb(plane, fb);
+ ret = funcs->prepare_fb(plane, fb, plane_state);
if (ret)
goto fail;
}
fail:
for (i--; i >= 0; i--) {
- struct drm_plane_helper_funcs *funcs;
+ const struct drm_plane_helper_funcs *funcs;
struct drm_plane *plane = state->planes[i];
+ struct drm_plane_state *plane_state = state->plane_states[i];
struct drm_framebuffer *fb;
if (!plane)
fb = state->plane_states[i]->fb;
if (fb && funcs->cleanup_fb)
- funcs->cleanup_fb(plane, fb);
+ funcs->cleanup_fb(plane, fb, plane_state);
}
*
* It still requires the global state object @old_state to know which planes and
* crtcs need to be updated though.
+ *
+ * Note that this function does all plane updates across all CRTCs in one step.
+ * If the hardware can't support this approach look at
+ * drm_atomic_helper_commit_planes_on_crtc() instead.
*/
void drm_atomic_helper_commit_planes(struct drm_device *dev,
struct drm_atomic_state *old_state)
{
- int nplanes = dev->mode_config.num_total_plane;
- int ncrtcs = dev->mode_config.num_crtc;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state;
+ struct drm_plane *plane;
+ struct drm_plane_state *old_plane_state;
int i;
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc = old_state->crtcs[i];
-
- if (!crtc)
- continue;
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
funcs = crtc->helper_private;
funcs->atomic_begin(crtc);
}
- for (i = 0; i < nplanes; i++) {
- struct drm_plane_helper_funcs *funcs;
- struct drm_plane *plane = old_state->planes[i];
- struct drm_plane_state *old_plane_state;
-
- if (!plane)
- continue;
+ for_each_plane_in_state(old_state, plane, old_plane_state, i) {
+ const struct drm_plane_helper_funcs *funcs;
funcs = plane->helper_private;
if (!funcs)
continue;
- old_plane_state = old_state->plane_states[i];
-
/*
* Special-case disabling the plane if drivers support it.
*/
if (drm_atomic_plane_disabling(plane, old_plane_state) &&
funcs->atomic_disable)
funcs->atomic_disable(plane, old_plane_state);
- else
+ else if (plane->state->crtc ||
+ drm_atomic_plane_disabling(plane, old_plane_state))
funcs->atomic_update(plane, old_plane_state);
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc_helper_funcs *funcs;
- struct drm_crtc *crtc = old_state->crtcs[i];
-
- if (!crtc)
- continue;
+ for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
+ const struct drm_crtc_helper_funcs *funcs;
funcs = crtc->helper_private;
}
EXPORT_SYMBOL(drm_atomic_helper_commit_planes);
+/**
+ * drm_atomic_helper_commit_planes_on_crtc - commit plane state for a crtc
+ * @old_crtc_state: atomic state object with the old crtc state
+ *
+ * This function commits the new plane state using the plane and atomic helper
+ * functions for planes on the specific crtc. It assumes that the atomic state
+ * has already been pushed into the relevant object state pointers, since this
+ * step can no longer fail.
+ *
+ * This function is useful when plane updates should be done crtc-by-crtc
+ * instead of one global step like drm_atomic_helper_commit_planes() does.
+ *
+ * This function can only be savely used when planes are not allowed to move
+ * between different CRTCs because this function doesn't handle inter-CRTC
+ * depencies. Callers need to ensure that either no such depencies exist,
+ * resolve them through ordering of commit calls or through some other means.
+ */
+void
+drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state)
+{
+ const struct drm_crtc_helper_funcs *crtc_funcs;
+ struct drm_crtc *crtc = old_crtc_state->crtc;
+ struct drm_atomic_state *old_state = old_crtc_state->state;
+ struct drm_plane *plane;
+ unsigned plane_mask;
+
+ plane_mask = old_crtc_state->plane_mask;
+ plane_mask |= crtc->state->plane_mask;
+
+ crtc_funcs = crtc->helper_private;
+ if (crtc_funcs && crtc_funcs->atomic_begin)
+ crtc_funcs->atomic_begin(crtc);
+
+ drm_for_each_plane_mask(plane, crtc->dev, plane_mask) {
+ struct drm_plane_state *old_plane_state =
+ drm_atomic_get_existing_plane_state(old_state, plane);
+ const struct drm_plane_helper_funcs *plane_funcs;
+
+ plane_funcs = plane->helper_private;
+
+ if (!old_plane_state || !plane_funcs)
+ continue;
+
+ WARN_ON(plane->state->crtc && plane->state->crtc != crtc);
+
+ if (drm_atomic_plane_disabling(plane, old_plane_state) &&
+ plane_funcs->atomic_disable)
+ plane_funcs->atomic_disable(plane, old_plane_state);
+ else if (plane->state->crtc ||
+ drm_atomic_plane_disabling(plane, old_plane_state))
+ plane_funcs->atomic_update(plane, old_plane_state);
+ }
+
+ if (crtc_funcs && crtc_funcs->atomic_flush)
+ crtc_funcs->atomic_flush(crtc);
+}
+EXPORT_SYMBOL(drm_atomic_helper_commit_planes_on_crtc);
+
/**
* drm_atomic_helper_cleanup_planes - cleanup plane resources after commit
* @dev: DRM device
void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
struct drm_atomic_state *old_state)
{
- int nplanes = dev->mode_config.num_total_plane;
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
int i;
- for (i = 0; i < nplanes; i++) {
- struct drm_plane_helper_funcs *funcs;
- struct drm_plane *plane = old_state->planes[i];
+ for_each_plane_in_state(old_state, plane, plane_state, i) {
+ const struct drm_plane_helper_funcs *funcs;
struct drm_framebuffer *old_fb;
- if (!plane)
- continue;
-
funcs = plane->helper_private;
- old_fb = old_state->plane_states[i]->fb;
+ old_fb = plane_state->fb;
if (old_fb && funcs->cleanup_fb)
- funcs->cleanup_fb(plane, old_fb);
+ funcs->cleanup_fb(plane, old_fb, plane_state);
}
}
EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes);
plane_state->src_h = src_h;
plane_state->src_w = src_w;
+ if (plane == crtc->cursor)
+ state->legacy_cursor_update = true;
+
ret = drm_atomic_commit(state);
if (ret != 0)
goto fail;
- if (plane == crtc->cursor)
- state->legacy_cursor_update = true;
-
/* Driver takes ownership of state on successful commit. */
return 0;
fail:
struct drm_mode_set *set)
{
struct drm_device *dev = set->crtc->dev;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ struct drm_connector *connector;
struct drm_connector_state *conn_state;
- int ncrtcs = state->dev->mode_config.num_crtc;
int ret, i, j;
ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
return PTR_ERR(conn_state);
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc *crtc = state->crtcs[i];
-
- if (!crtc)
- continue;
-
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
ret = drm_atomic_add_affected_connectors(state, crtc);
if (ret)
return ret;
}
/* Then recompute connector->crtc links and crtc enabling state. */
- for (i = 0; i < state->num_connector; i++) {
- struct drm_connector *connector;
-
- connector = state->connectors[i];
- conn_state = state->connector_states[i];
-
- if (!connector)
- continue;
-
+ for_each_connector_in_state(state, connector, conn_state, i) {
if (conn_state->crtc == set->crtc) {
ret = drm_atomic_set_crtc_for_connector(conn_state,
NULL);
}
}
- for (i = 0; i < ncrtcs; i++) {
- struct drm_crtc *crtc = state->crtcs[i];
- struct drm_crtc_state *crtc_state = state->crtc_states[i];
-
- if (!crtc)
- continue;
-
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
/* Don't update ->enable for the CRTC in the set_config request,
* since a mismatch would indicate a bug in the upper layers.
* The actual modeset code later on will catch any
EXPORT_SYMBOL(drm_atomic_helper_set_config);
/**
- * drm_atomic_helper_crtc_set_property - helper for crtc prorties
+ * drm_atomic_helper_crtc_set_property - helper for crtc properties
* @crtc: DRM crtc
* @property: DRM property
* @val: value of property
*
- * Provides a default plane disablle handler using the atomic driver interface.
+ * Provides a default crtc set_property handler using the atomic driver
+ * interface.
*
* RETURNS:
* Zero on success, error code on failure
EXPORT_SYMBOL(drm_atomic_helper_crtc_set_property);
/**
- * drm_atomic_helper_plane_set_property - helper for plane prorties
+ * drm_atomic_helper_plane_set_property - helper for plane properties
* @plane: DRM plane
* @property: DRM property
* @val: value of property
*
- * Provides a default plane disable handler using the atomic driver interface.
+ * Provides a default plane set_property handler using the atomic driver
+ * interface.
*
* RETURNS:
* Zero on success, error code on failure
EXPORT_SYMBOL(drm_atomic_helper_plane_set_property);
/**
- * drm_atomic_helper_connector_set_property - helper for connector prorties
+ * drm_atomic_helper_connector_set_property - helper for connector properties
* @connector: DRM connector
* @property: DRM property
* @val: value of property
*
- * Provides a default plane disablle handler using the atomic driver interface.
+ * Provides a default connector set_property handler using the atomic driver
+ * interface.
*
* RETURNS:
* Zero on success, error code on failure
WARN_ON(!drm_modeset_is_locked(&config->connection_mutex));
list_for_each_entry(tmp_connector, &config->connector_list, head) {
- if (connector->state->crtc != crtc)
+ if (tmp_connector->state->crtc != crtc)
continue;
- if (connector->dpms == DRM_MODE_DPMS_ON) {
+ if (tmp_connector->dpms == DRM_MODE_DPMS_ON) {
active = true;
break;
}
}
EXPORT_SYMBOL(drm_atomic_helper_crtc_reset);
+/**
+ * __drm_atomic_helper_crtc_duplicate_state - copy atomic CRTC state
+ * @crtc: CRTC object
+ * @state: atomic CRTC state
+ *
+ * Copies atomic state from a CRTC's current state and resets inferred values.
+ * This is useful for drivers that subclass the CRTC state.
+ */
+void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ memcpy(state, crtc->state, sizeof(*state));
+
+ state->mode_changed = false;
+ state->active_changed = false;
+ state->planes_changed = false;
+ state->event = NULL;
+}
+EXPORT_SYMBOL(__drm_atomic_helper_crtc_duplicate_state);
+
/**
* drm_atomic_helper_crtc_duplicate_state - default state duplicate hook
* @crtc: drm CRTC
if (WARN_ON(!crtc->state))
return NULL;
- state = kmemdup(crtc->state, sizeof(*crtc->state), GFP_KERNEL);
-
- if (state) {
- state->mode_changed = false;
- state->active_changed = false;
- state->planes_changed = false;
- state->event = NULL;
- }
+ state = kmalloc(sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_crtc_duplicate_state(crtc, state);
return state;
}
EXPORT_SYMBOL(drm_atomic_helper_crtc_duplicate_state);
+/**
+ * __drm_atomic_helper_crtc_destroy_state - release CRTC state
+ * @crtc: CRTC object
+ * @state: CRTC state object to release
+ *
+ * Releases all resources stored in the CRTC state without actually freeing
+ * the memory of the CRTC state. This is useful for drivers that subclass the
+ * CRTC state.
+ */
+void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ /*
+ * This is currently a placeholder so that drivers that subclass the
+ * state will automatically do the right thing if code is ever added
+ * to this function.
+ */
+}
+EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state);
+
/**
* drm_atomic_helper_crtc_destroy_state - default state destroy hook
* @crtc: drm CRTC
void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
+ __drm_atomic_helper_crtc_destroy_state(crtc, state);
kfree(state);
}
EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);
}
EXPORT_SYMBOL(drm_atomic_helper_plane_reset);
+/**
+ * __drm_atomic_helper_plane_duplicate_state - copy atomic plane state
+ * @plane: plane object
+ * @state: atomic plane state
+ *
+ * Copies atomic state from a plane's current state. This is useful for
+ * drivers that subclass the plane state.
+ */
+void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ memcpy(state, plane->state, sizeof(*state));
+
+ if (state->fb)
+ drm_framebuffer_reference(state->fb);
+}
+EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state);
+
/**
* drm_atomic_helper_plane_duplicate_state - default state duplicate hook
* @plane: drm plane
if (WARN_ON(!plane->state))
return NULL;
- state = kmemdup(plane->state, sizeof(*plane->state), GFP_KERNEL);
-
- if (state && state->fb)
- drm_framebuffer_reference(state->fb);
+ state = kmalloc(sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_plane_duplicate_state(plane, state);
return state;
}
EXPORT_SYMBOL(drm_atomic_helper_plane_duplicate_state);
+/**
+ * __drm_atomic_helper_plane_destroy_state - release plane state
+ * @plane: plane object
+ * @state: plane state object to release
+ *
+ * Releases all resources stored in the plane state without actually freeing
+ * the memory of the plane state. This is useful for drivers that subclass the
+ * plane state.
+ */
+void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ if (state->fb)
+ drm_framebuffer_unreference(state->fb);
+}
+EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state);
+
/**
* drm_atomic_helper_plane_destroy_state - default state destroy hook
* @plane: drm plane
void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
- if (state->fb)
- drm_framebuffer_unreference(state->fb);
-
+ __drm_atomic_helper_plane_destroy_state(plane, state);
kfree(state);
}
EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
}
EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
+/**
+ * __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
+ * @connector: connector object
+ * @state: atomic connector state
+ *
+ * Copies atomic state from a connector's current state. This is useful for
+ * drivers that subclass the connector state.
+ */
+void
+__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
+ struct drm_connector_state *state)
+{
+ memcpy(state, connector->state, sizeof(*state));
+}
+EXPORT_SYMBOL(__drm_atomic_helper_connector_duplicate_state);
+
/**
* drm_atomic_helper_connector_duplicate_state - default state duplicate hook
* @connector: drm connector
struct drm_connector_state *
drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector)
{
+ struct drm_connector_state *state;
+
if (WARN_ON(!connector->state))
return NULL;
- return kmemdup(connector->state, sizeof(*connector->state), GFP_KERNEL);
+ state = kmalloc(sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_connector_duplicate_state(connector, state);
+
+ return state;
}
EXPORT_SYMBOL(drm_atomic_helper_connector_duplicate_state);
+/**
+ * __drm_atomic_helper_connector_destroy_state - release connector state
+ * @connector: connector object
+ * @state: connector state object to release
+ *
+ * Releases all resources stored in the connector state without actually
+ * freeing the memory of the connector state. This is useful for drivers that
+ * subclass the connector state.
+ */
+void
+__drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
+ struct drm_connector_state *state)
+{
+ /*
+ * This is currently a placeholder so that drivers that subclass the
+ * state will automatically do the right thing if code is ever added
+ * to this function.
+ */
+}
+EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);
+
/**
* drm_atomic_helper_connector_destroy_state - default state destroy hook
* @connector: drm connector
void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
struct drm_connector_state *state)
{
+ __drm_atomic_helper_connector_destroy_state(connector, state);
kfree(state);
}
EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state);
projects / deliverable / linux.git / blobdiff