diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 660 |
1 files changed, 344 insertions, 316 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 7e3a52b97c7d..1d2ca52530d5 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -116,9 +116,9 @@ steal_encoder(struct drm_atomic_state *state, */ 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)) @@ -130,9 +130,9 @@ steal_encoder(struct drm_atomic_state *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); @@ -151,7 +151,7 @@ steal_encoder(struct drm_atomic_state *state, 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; @@ -165,9 +165,9 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) 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) { @@ -186,7 +186,7 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) } 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); @@ -199,19 +199,19 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) 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; } @@ -222,9 +222,9 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) 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; } } @@ -235,12 +235,12 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) 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; } @@ -248,30 +248,24 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) 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) @@ -292,7 +286,7 @@ mode_fixup(struct drm_atomic_state *state) 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; } } @@ -301,37 +295,33 @@ mode_fixup(struct drm_atomic_state *state) 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; 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; } } @@ -346,7 +336,7 @@ needs_modeset(struct drm_crtc_state *state) } /** - * 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 * @@ -371,32 +361,27 @@ int 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 @@ -413,32 +398,26 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, * 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); @@ -449,8 +428,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, 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; } @@ -461,7 +440,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, 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 * @@ -476,17 +455,14 @@ int 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; @@ -497,18 +473,14 @@ drm_atomic_helper_check_planes(struct drm_device *dev, 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; @@ -517,8 +489,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev, 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; } } @@ -567,27 +539,26 @@ EXPORT_SYMBOL(drm_atomic_helper_check); 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; @@ -600,12 +571,12 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) 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); @@ -622,16 +593,11 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) 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) @@ -639,8 +605,8 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) 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. */ @@ -656,16 +622,15 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) static void set_routing_links(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); @@ -675,12 +640,8 @@ set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_state) } /* 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)) @@ -691,14 +652,7 @@ set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_state) } /* 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; @@ -709,38 +663,35 @@ set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_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; - - crtc = old_state->crtcs[i]; + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { + const struct drm_crtc_helper_funcs *funcs; - 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; @@ -752,14 +703,15 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) 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, @@ -768,46 +720,56 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) } /** - * 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); + set_routing_links(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) @@ -816,8 +778,8 @@ void drm_atomic_helper_commit_post_planes(struct drm_device *dev, 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); @@ -826,28 +788,26 @@ void drm_atomic_helper_commit_post_planes(struct drm_device *dev, } } - 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); @@ -861,18 +821,17 @@ void drm_atomic_helper_commit_post_planes(struct drm_device *dev, 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); @@ -889,16 +848,9 @@ static bool framebuffer_changed(struct drm_device *dev, { 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; @@ -927,16 +879,9 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, { 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. */ @@ -961,11 +906,8 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, 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, @@ -1014,7 +956,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, /* * 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 @@ -1030,11 +972,11 @@ int drm_atomic_helper_commit(struct drm_device *dev, 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); @@ -1085,9 +1027,9 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); */ /** - * 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 @@ -1103,8 +1045,9 @@ int drm_atomic_helper_prepare_planes(struct drm_device *dev, 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) @@ -1112,10 +1055,10 @@ int drm_atomic_helper_prepare_planes(struct drm_device *dev, 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; } @@ -1125,8 +1068,9 @@ int drm_atomic_helper_prepare_planes(struct drm_device *dev, 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) @@ -1137,7 +1081,7 @@ fail: fb = state->plane_states[i]->fb; if (fb && funcs->cleanup_fb) - funcs->cleanup_fb(plane, fb); + funcs->cleanup_fb(plane, fb, plane_state); } @@ -1161,16 +1105,14 @@ EXPORT_SYMBOL(drm_atomic_helper_prepare_planes); 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; @@ -1180,13 +1122,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, 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; @@ -1205,12 +1142,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, 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; @@ -1237,23 +1170,20 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_planes); 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); @@ -1496,8 +1426,10 @@ static int update_output_state(struct drm_atomic_state *state, 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, @@ -1513,27 +1445,14 @@ static int update_output_state(struct drm_atomic_state *state, 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); @@ -1552,13 +1471,7 @@ static int update_output_state(struct drm_atomic_state *state, } } - 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 @@ -1678,12 +1591,13 @@ backoff: 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 @@ -1737,12 +1651,13 @@ backoff: 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 @@ -1796,12 +1711,13 @@ backoff: 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 @@ -1984,10 +1900,10 @@ retry: 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; } @@ -2050,6 +1966,26 @@ void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc) 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 * @@ -2064,20 +2000,35 @@ drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *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 * @state: CRTC state object to release @@ -2088,6 +2039,7 @@ EXPORT_SYMBOL(drm_atomic_helper_crtc_duplicate_state); 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); @@ -2113,6 +2065,24 @@ void drm_atomic_helper_plane_reset(struct drm_plane *plane) 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 * @@ -2127,16 +2097,32 @@ drm_atomic_helper_plane_duplicate_state(struct drm_plane *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 * @state: plane state object to release @@ -2147,9 +2133,7 @@ EXPORT_SYMBOL(drm_atomic_helper_plane_duplicate_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); - + __drm_atomic_helper_plane_destroy_state(plane, state); kfree(state); } EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state); @@ -2173,6 +2157,22 @@ void drm_atomic_helper_connector_reset(struct drm_connector *connector) 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 * @@ -2182,14 +2182,41 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_reset); 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 * @state: connector state object to release @@ -2200,6 +2227,7 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_duplicate_state); 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); |