diff options
Diffstat (limited to 'drivers/gpu')
31 files changed, 170 insertions, 299 deletions
diff --git a/drivers/gpu/drm/armada/armada_output.h b/drivers/gpu/drm/armada/armada_output.h index 4126d43b5057..3c4023e142d0 100644 --- a/drivers/gpu/drm/armada/armada_output.h +++ b/drivers/gpu/drm/armada/armada_output.h @@ -9,7 +9,7 @@ #define ARMADA_CONNETOR_H #define encoder_helper_funcs(encoder) \ - ((struct drm_encoder_helper_funcs *)encoder->helper_private) + ((const struct drm_encoder_helper_funcs *)encoder->helper_private) struct armada_output_type { int connector_type; diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 57efdbeff008..6e3b78ee7d16 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -780,7 +780,7 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state, EXPORT_SYMBOL(drm_atomic_set_crtc_for_plane); /** - * drm_atomic_set_fb_for_plane - set crtc for plane + * drm_atomic_set_fb_for_plane - set framebuffer for plane * @plane_state: atomic state object for the plane * @fb: fb to use for the plane * @@ -909,14 +909,13 @@ int drm_atomic_connectors_for_crtc(struct drm_atomic_state *state, struct drm_crtc *crtc) { - int i, num_connected_connectors = 0; - - for (i = 0; i < state->num_connector; i++) { - struct drm_connector_state *conn_state; + struct drm_connector *connector; + struct drm_connector_state *conn_state; - conn_state = state->connector_states[i]; + int i, num_connected_connectors = 0; - if (conn_state && conn_state->crtc == crtc) + for_each_connector_in_state(state, connector, conn_state, i) { + if (conn_state->crtc == crtc) num_connected_connectors++; } @@ -933,7 +932,7 @@ EXPORT_SYMBOL(drm_atomic_connectors_for_crtc); * * This function should be used by legacy entry points which don't understand * -EDEADLK semantics. For simplicity this one will grab all modeset locks after - * the slowpath completed. + * the slowpath completed. */ void drm_atomic_legacy_backoff(struct drm_atomic_state *state) { @@ -968,19 +967,16 @@ int drm_atomic_check_only(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; struct drm_mode_config *config = &dev->mode_config; - int nplanes = config->num_total_plane; - int ncrtcs = config->num_crtc; + struct drm_plane *plane; + struct drm_plane_state *plane_state; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; int i, ret = 0; DRM_DEBUG_ATOMIC("checking %p\n", state); - for (i = 0; i < nplanes; i++) { - struct drm_plane *plane = state->planes[i]; - - if (!plane) - continue; - - ret = drm_atomic_plane_check(plane, state->plane_states[i]); + for_each_plane_in_state(state, plane, plane_state, i) { + ret = drm_atomic_plane_check(plane, plane_state); if (ret) { DRM_DEBUG_ATOMIC("[PLANE:%d] atomic core check failed\n", plane->base.id); @@ -988,13 +984,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state) } } - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - - if (!crtc) - continue; - - ret = drm_atomic_crtc_check(crtc, state->crtc_states[i]); + for_each_crtc_in_state(state, crtc, crtc_state, i) { + ret = drm_atomic_crtc_check(crtc, crtc_state); if (ret) { DRM_DEBUG_ATOMIC("[CRTC:%d] atomic core check failed\n", crtc->base.id); @@ -1006,13 +997,7 @@ int drm_atomic_check_only(struct drm_atomic_state *state) ret = config->funcs->atomic_check(state->dev, state); if (!state->allow_modeset) { - 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) { if (crtc_state->mode_changed || crtc_state->active_changed) { DRM_DEBUG_ATOMIC("[CRTC:%d] requires full modeset\n", @@ -1210,6 +1195,8 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, struct drm_atomic_state *state; struct drm_modeset_acquire_ctx ctx; struct drm_plane *plane; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; unsigned plane_mask = 0; int ret = 0; unsigned int i, j; @@ -1313,15 +1300,9 @@ retry: } if (arg->flags & DRM_MODE_PAGE_FLIP_EVENT) { - int ncrtcs = dev->mode_config.num_crtc; - - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc_state *crtc_state = state->crtc_states[i]; + for_each_crtc_in_state(state, crtc, crtc_state, i) { struct drm_pending_vblank_event *e; - if (!crtc_state) - continue; - e = create_vblank_event(dev, file_priv, arg->user_data); if (!e) { ret = -ENOMEM; @@ -1373,14 +1354,7 @@ fail: goto backoff; if (arg->flags & DRM_MODE_PAGE_FLIP_EVENT) { - int ncrtcs = dev->mode_config.num_crtc; - - for (i = 0; i < ncrtcs; i++) { - struct drm_crtc_state *crtc_state = state->crtc_states[i]; - - if (!crtc_state) - continue; - + for_each_crtc_in_state(state, crtc, crtc_state, i) { destroy_vblank_event(dev, file_priv, crtc_state->event); crtc_state->event = NULL; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 41c38edade74..1d2ca52530d5 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -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++) { + 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) @@ -316,14 +310,10 @@ mode_fixup(struct drm_atomic_state *state) } } - for (i = 0; i < ncrtcs; i++) { + for_each_crtc_in_state(state, crtc, crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc; - 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; @@ -371,18 +361,13 @@ 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_ATOMIC("[CRTC:%d] mode changed\n", crtc->base.id); @@ -396,7 +381,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, } } - 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 @@ -413,15 +398,9 @@ 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 @@ -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++) { + for_each_plane_in_state(state, plane, plane_state, i) { const 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; funcs = plane->helper_private; @@ -503,12 +479,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev, } } - for (i = 0; i < ncrtcs; i++) { + for_each_crtc_in_state(state, crtc, crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc = state->crtcs[i]; - - if (!crtc) - continue; funcs = crtc->helper_private; @@ -567,22 +539,20 @@ 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++) { + for_each_connector_in_state(old_state, connector, old_conn_state, i) { const struct drm_encoder_helper_funcs *funcs; - struct drm_connector_state *old_conn_state; - struct drm_connector *connector; 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)]; @@ -623,16 +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++) { + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { const 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]; /* 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) @@ -657,16 +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); @@ -676,12 +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)) @@ -692,14 +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; @@ -710,16 +663,16 @@ 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++) { + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc; - - crtc = old_state->crtcs[i]; - if (!crtc || !crtc->state->mode_changed) + if (!crtc->state->mode_changed) continue; funcs = crtc->helper_private; @@ -732,16 +685,13 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) } } - for (i = 0; i < old_state->num_connector; i++) { + for_each_connector_in_state(old_state, connector, old_conn_state, i) { const struct drm_encoder_helper_funcs *funcs; - struct drm_connector *connector; struct drm_crtc_state *new_crtc_state; 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; @@ -809,17 +759,17 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_disables); 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++) { + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc; - - crtc = old_state->crtcs[i]; /* 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) @@ -838,14 +788,11 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, } } - for (i = 0; i < old_state->num_connector; i++) { + for_each_connector_in_state(old_state, connector, old_conn_state, i) { const struct drm_encoder_helper_funcs *funcs; - struct drm_connector *connector; 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 || @@ -879,13 +826,12 @@ 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); @@ -902,16 +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; @@ -940,16 +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. */ @@ -974,11 +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, @@ -1176,16 +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++) { + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc = old_state->crtcs[i]; - - if (!crtc) - continue; funcs = crtc->helper_private; @@ -1195,13 +1122,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, funcs->atomic_begin(crtc); } - for (i = 0; i < nplanes; i++) { + for_each_plane_in_state(old_state, plane, old_plane_state, i) { const struct drm_plane_helper_funcs *funcs; - struct drm_plane *plane = old_state->planes[i]; - struct drm_plane_state *old_plane_state; - - if (!plane) - continue; funcs = plane->helper_private; @@ -1220,12 +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++) { + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - struct drm_crtc *crtc = old_state->crtcs[i]; - - if (!crtc) - continue; funcs = crtc->helper_private; @@ -1252,18 +1170,14 @@ 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++) { + for_each_plane_in_state(old_state, plane, plane_state, i) { const struct drm_plane_helper_funcs *funcs; - struct drm_plane *plane = old_state->planes[i]; - struct drm_plane_state *plane_state = old_state->plane_states[i]; struct drm_framebuffer *old_fb; - if (!plane) - continue; - funcs = plane->helper_private; old_fb = plane_state->fb; @@ -1512,8 +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, @@ -1529,27 +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); @@ -1568,13 +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 diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index b3989e23195e..3403edea9076 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2482,6 +2482,17 @@ static int __setplane_internal(struct drm_plane *plane, goto out; } + /* Give drivers some help against integer overflows */ + if (crtc_w > INT_MAX || + crtc_x > INT_MAX - (int32_t) crtc_w || + crtc_h > INT_MAX || + crtc_y > INT_MAX - (int32_t) crtc_h) { + DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", + crtc_w, crtc_h, crtc_x, crtc_y); + return -ERANGE; + } + + fb_width = fb->width << 16; fb_height = fb->height << 16; @@ -2566,17 +2577,6 @@ int drm_mode_setplane(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* Give drivers some help against integer overflows */ - if (plane_req->crtc_w > INT_MAX || - plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || - plane_req->crtc_h > INT_MAX || - plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { - DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", - plane_req->crtc_w, plane_req->crtc_h, - plane_req->crtc_x, plane_req->crtc_y); - return -ERANGE; - } - /* * First, find the plane, crtc, and fb objects. If not available, * we don't bother to call the driver. diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index dd895c409ca3..ab00286aec93 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -161,7 +161,7 @@ EXPORT_SYMBOL(drm_helper_crtc_in_use); static void drm_encoder_disable(struct drm_encoder *encoder) { - struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; + const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; if (encoder->bridge) encoder->bridge->funcs->disable(encoder->bridge); @@ -191,7 +191,7 @@ static void __drm_helper_disable_unused_functions(struct drm_device *dev) } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc->enabled = drm_helper_crtc_in_use(crtc); if (!crtc->enabled) { if (crtc_funcs->disable) @@ -229,7 +229,7 @@ EXPORT_SYMBOL(drm_helper_disable_unused_functions); static void drm_crtc_prepare_encoders(struct drm_device *dev) { - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; struct drm_encoder *encoder; list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { @@ -271,8 +271,8 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, { struct drm_device *dev = crtc->dev; struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode; - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_encoder_helper_funcs *encoder_funcs; int saved_x, saved_y; bool saved_enabled; struct drm_encoder *encoder; @@ -473,7 +473,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) bool fb_changed = false; /* if true and !mode_changed just do a flip */ struct drm_connector *save_connectors, *connector; int count = 0, ro, fail = 0; - struct drm_crtc_helper_funcs *crtc_funcs; + const struct drm_crtc_helper_funcs *crtc_funcs; struct drm_mode_set save_set; int ret; int i; @@ -573,7 +573,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) /* a) traverse passed in connector list and get encoders for them */ count = 0; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - struct drm_connector_helper_funcs *connector_funcs = + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; new_encoder = connector->encoder; for (ro = 0; ro < set->num_connectors; ro++) { @@ -733,7 +733,7 @@ static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder) static void drm_helper_encoder_dpms(struct drm_encoder *encoder, int mode) { struct drm_bridge *bridge = encoder->bridge; - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; if (bridge) { if (mode == DRM_MODE_DPMS_ON) @@ -795,7 +795,7 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode) /* from off to on, do crtc then encoder */ if (mode < old_dpms) { if (crtc) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; if (crtc_funcs->dpms) (*crtc_funcs->dpms) (crtc, drm_helper_choose_crtc_dpms(crtc)); @@ -809,7 +809,7 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode) if (encoder) drm_helper_encoder_dpms(encoder, encoder_dpms); if (crtc) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; if (crtc_funcs->dpms) (*crtc_funcs->dpms) (crtc, drm_helper_choose_crtc_dpms(crtc)); @@ -871,7 +871,7 @@ void drm_helper_resume_force_mode(struct drm_device *dev) { struct drm_crtc *crtc; struct drm_encoder *encoder; - struct drm_crtc_helper_funcs *crtc_funcs; + const struct drm_crtc_helper_funcs *crtc_funcs; int encoder_dpms; bool ret; @@ -936,7 +936,7 @@ int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mod struct drm_framebuffer *old_fb) { struct drm_crtc_state *crtc_state; - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; int ret; if (crtc->funcs->atomic_duplicate_state) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 309b9476fe96..cac422916c7a 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -238,7 +238,7 @@ static void drm_fb_helper_restore_lut_atomic(struct drm_crtc *crtc) int drm_fb_helper_debug_enter(struct fb_info *info) { struct drm_fb_helper *helper = info->par; - struct drm_crtc_helper_funcs *funcs; + const struct drm_crtc_helper_funcs *funcs; int i; list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { @@ -285,7 +285,7 @@ int drm_fb_helper_debug_leave(struct fb_info *info) { struct drm_fb_helper *helper = info->par; struct drm_crtc *crtc; - struct drm_crtc_helper_funcs *funcs; + const struct drm_crtc_helper_funcs *funcs; struct drm_framebuffer *fb; int i; @@ -765,7 +765,7 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) { struct drm_fb_helper *fb_helper = info->par; struct drm_device *dev = fb_helper->dev; - struct drm_crtc_helper_funcs *crtc_funcs; + const struct drm_crtc_helper_funcs *crtc_funcs; u16 *red, *green, *blue, *transp; struct drm_crtc *crtc; int i, j, rc = 0; @@ -1551,7 +1551,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, int c, o; struct drm_device *dev = fb_helper->dev; struct drm_connector *connector; - struct drm_connector_helper_funcs *connector_funcs; + const struct drm_connector_helper_funcs *connector_funcs; struct drm_encoder *encoder; int my_score, best_score, score; struct drm_fb_helper_crtc **crtcs, *crtc; diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 33807e0adac7..40c1db9ad7c3 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -401,9 +401,9 @@ int drm_plane_helper_commit(struct drm_plane *plane, struct drm_plane_state *plane_state, struct drm_framebuffer *old_fb) { - struct drm_plane_helper_funcs *plane_funcs; + const struct drm_plane_helper_funcs *plane_funcs; struct drm_crtc *crtc[2]; - struct drm_crtc_helper_funcs *crtc_funcs[2]; + const struct drm_crtc_helper_funcs *crtc_funcs[2]; int i, ret = 0; plane_funcs = plane->helper_private; diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 3fee587bc284..63503879a676 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -98,7 +98,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect { struct drm_device *dev = connector->dev; struct drm_display_mode *mode; - struct drm_connector_helper_funcs *connector_funcs = + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; int count = 0; int mode_flags = 0; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 722cbf32192a..5eba971f394a 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2101,7 +2101,7 @@ static void hdmi_dpms(struct exynos_drm_display *display, int mode) struct hdmi_context *hdata = display_to_hdmi(display); struct drm_encoder *encoder = hdata->encoder; struct drm_crtc *crtc = encoder->crtc; - struct drm_crtc_helper_funcs *funcs = NULL; + const struct drm_crtc_helper_funcs *funcs = NULL; DRM_DEBUG_KMS("mode %d\n", mode); diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c index 66727328832d..7d47b3d5cc0d 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_display.c +++ b/drivers/gpu/drm/gma500/cdv_intel_display.c @@ -823,7 +823,7 @@ static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc, /* Flush the plane changes */ { - struct drm_crtc_helper_funcs *crtc_funcs = + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->mode_set_base(crtc, x, y, old_fb); } diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c index 4268bf210034..6b1d3340ba14 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -195,7 +195,7 @@ static int cdv_hdmi_set_property(struct drm_connector *connector, encoder->crtc->x, encoder->crtc->y, encoder->crtc->primary->fb)) return -1; } else { - struct drm_encoder_helper_funcs *helpers + const struct drm_encoder_helper_funcs *helpers = encoder->helper_private; helpers->mode_set(encoder, &crtc->saved_mode, &crtc->saved_adjusted_mode); diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index 0b770396548c..211069b2b951 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -505,7 +505,7 @@ static int cdv_intel_lvds_set_property(struct drm_connector *connector, else gma_backlight_set(encoder->dev, value); } else if (!strcmp(property->name, "DPMS") && encoder) { - struct drm_encoder_helper_funcs *helpers = + const struct drm_encoder_helper_funcs *helpers = encoder->helper_private; helpers->dpms(encoder, value); } diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index 9bb9bddd881a..001b450b27b3 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -501,20 +501,20 @@ bool gma_crtc_mode_fixup(struct drm_crtc *crtc, void gma_crtc_prepare(struct drm_crtc *crtc) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); } void gma_crtc_commit(struct drm_crtc *crtc) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); } void gma_crtc_disable(struct drm_crtc *crtc) { struct gtt_range *gt; - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); @@ -656,7 +656,7 @@ void gma_crtc_restore(struct drm_crtc *crtc) void gma_encoder_prepare(struct drm_encoder *encoder) { - struct drm_encoder_helper_funcs *encoder_funcs = + const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; /* lvds has its own version of prepare see psb_intel_lvds_prepare */ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); @@ -664,7 +664,7 @@ void gma_encoder_prepare(struct drm_encoder *encoder) void gma_encoder_commit(struct drm_encoder *encoder) { - struct drm_encoder_helper_funcs *encoder_funcs = + const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; /* lvds has its own version of commit see psb_intel_lvds_commit */ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c index abf2248da61e..89f705c3a5eb 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c @@ -290,7 +290,7 @@ static int mdfld_dsi_connector_set_property(struct drm_connector *connector, encoder->crtc->primary->fb)) goto set_prop_error; } else { - struct drm_encoder_helper_funcs *funcs = + const struct drm_encoder_helper_funcs *funcs = encoder->helper_private; funcs->mode_set(encoder, &gma_crtc->saved_mode, diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c index 8cc8a5abbc7b..acd38344b302 100644 --- a/drivers/gpu/drm/gma500/mdfld_intel_display.c +++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c @@ -849,7 +849,7 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc, /* Flush the plane changes */ { - struct drm_crtc_helper_funcs *crtc_funcs = + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->mode_set_base(crtc, x, y, old_fb); } diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c index 2de216c2374f..1048f0c7c6ce 100644 --- a/drivers/gpu/drm/gma500/oaktrail_crtc.c +++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c @@ -483,7 +483,7 @@ static int oaktrail_crtc_mode_set(struct drm_crtc *crtc, /* Flush the plane changes */ { - struct drm_crtc_helper_funcs *crtc_funcs = + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->mode_set_base(crtc, x, y, old_fb); } diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index 54f73f50571a..2310d879cdc2 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -347,7 +347,7 @@ int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, /* Flush the plane changes */ { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc_funcs->mode_set_base(crtc, x, y, old_fb); } diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c index b21a09451d1d..6659da88fe5b 100644 --- a/drivers/gpu/drm/gma500/psb_intel_display.c +++ b/drivers/gpu/drm/gma500/psb_intel_display.c @@ -108,7 +108,7 @@ static int psb_intel_crtc_mode_set(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct drm_psb_private *dev_priv = dev->dev_private; struct gma_crtc *gma_crtc = to_gma_crtc(crtc); - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; int pipe = gma_crtc->pipe; const struct psb_offset *map = &dev_priv->regmap[pipe]; int refclk; diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index 88aad95bde09..ce0645d0c1e5 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -625,7 +625,7 @@ int psb_intel_lvds_set_property(struct drm_connector *connector, else gma_backlight_set(encoder->dev, value); } else if (!strcmp(property->name, "DPMS")) { - struct drm_encoder_helper_funcs *hfuncs + const struct drm_encoder_helper_funcs *hfuncs = encoder->helper_private; hfuncs->dpms(encoder, value); } diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 9872ba9abf1a..6e84df9369a6 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1222,7 +1222,7 @@ static void mga_crtc_commit(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct mga_device *mdev = dev->dev_private; - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; u8 tmp; if (mdev->type == G200_WB) diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c index 542bb266a0ab..3d96b49fe662 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c @@ -703,7 +703,7 @@ static void nv_crtc_prepare(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - struct drm_crtc_helper_funcs *funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *funcs = crtc->helper_private; if (nv_two_heads(dev)) NVSetOwner(dev, nv_crtc->index); @@ -724,7 +724,7 @@ static void nv_crtc_prepare(struct drm_crtc *crtc) static void nv_crtc_commit(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; - struct drm_crtc_helper_funcs *funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *funcs = crtc->helper_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); nouveau_hw_load_state(dev, nv_crtc->index, &nv04_display(dev)->mode_reg); diff --git a/drivers/gpu/drm/nouveau/dispnv04/dac.c b/drivers/gpu/drm/nouveau/dispnv04/dac.c index d7b495a5f30c..af7249ca0f4b 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/dac.c +++ b/drivers/gpu/drm/nouveau/dispnv04/dac.c @@ -358,7 +358,7 @@ static bool nv04_dac_mode_fixup(struct drm_encoder *encoder, static void nv04_dac_prepare(struct drm_encoder *encoder) { - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; struct drm_device *dev = encoder->dev; int head = nouveau_crtc(encoder->crtc)->index; @@ -409,7 +409,7 @@ static void nv04_dac_commit(struct drm_encoder *encoder) struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_drm *drm = nouveau_drm(encoder->dev); struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; helper->dpms(encoder, DRM_MODE_DPMS_ON); diff --git a/drivers/gpu/drm/nouveau/dispnv04/dfp.c b/drivers/gpu/drm/nouveau/dispnv04/dfp.c index f6ca343fd34a..7cfb0cbc9b6e 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/dfp.c +++ b/drivers/gpu/drm/nouveau/dispnv04/dfp.c @@ -244,7 +244,7 @@ static void nv04_dfp_prepare_sel_clk(struct drm_device *dev, static void nv04_dfp_prepare(struct drm_encoder *encoder) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; struct drm_device *dev = encoder->dev; int head = nouveau_crtc(encoder->crtc)->index; struct nv04_crtc_reg *crtcstate = nv04_display(dev)->mode_reg.crtc_reg; @@ -445,7 +445,7 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct nouveau_drm *drm = nouveau_drm(dev); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct dcb_output *dcbe = nv_encoder->dcb; diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c index f96237ef2a6b..4131be5507ab 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c @@ -109,7 +109,7 @@ nv04_display_create(struct drm_device *dev) crtc->funcs->save(crtc); list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - struct drm_encoder_helper_funcs *func = encoder->helper_private; + const struct drm_encoder_helper_funcs *func = encoder->helper_private; func->save(encoder); } @@ -138,7 +138,7 @@ nv04_display_destroy(struct drm_device *dev) /* Restore state */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - struct drm_encoder_helper_funcs *func = encoder->helper_private; + const struct drm_encoder_helper_funcs *func = encoder->helper_private; func->restore(encoder); } @@ -169,7 +169,7 @@ nv04_display_init(struct drm_device *dev) * on suspend too. */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - struct drm_encoder_helper_funcs *func = encoder->helper_private; + const struct drm_encoder_helper_funcs *func = encoder->helper_private; func->restore(encoder); } diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c index d9664b37def1..70e95cf6fd19 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c @@ -122,7 +122,7 @@ static void nv04_tv_prepare(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; int head = nouveau_crtc(encoder->crtc)->index; - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; helper->dpms(encoder, DRM_MODE_DPMS_OFF); @@ -164,7 +164,7 @@ static void nv04_tv_commit(struct drm_encoder *encoder) struct drm_device *dev = encoder->dev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; helper->dpms(encoder, DRM_MODE_DPMS_ON); diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c index 731d74efc1e5..d9720dda8385 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c @@ -405,7 +405,7 @@ static void nv17_tv_prepare(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct nouveau_drm *drm = nouveau_drm(dev); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder); int head = nouveau_crtc(encoder->crtc)->index; uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[ @@ -583,7 +583,7 @@ static void nv17_tv_commit(struct drm_encoder *encoder) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct drm_encoder_helper_funcs *helper = encoder->helper_private; + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; if (get_tv_norm(encoder)->kind == TV_ENC_MODE) { nv17_tv_update_rescaler(encoder); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index db7095ae4ebb..3162040bc314 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -309,7 +309,7 @@ detect_analog: nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); if (nv_encoder && force) { struct drm_encoder *encoder = to_drm_encoder(nv_encoder); - struct drm_encoder_helper_funcs *helper = + const struct drm_encoder_helper_funcs *helper = encoder->helper_private; if (helper->detect(encoder, connector) == @@ -592,7 +592,7 @@ nouveau_connector_set_property(struct drm_connector *connector, static struct drm_display_mode * nouveau_connector_native_mode(struct drm_connector *connector) { - struct drm_connector_helper_funcs *helper = connector->helper_private; + const struct drm_connector_helper_funcs *helper = connector->helper_private; struct nouveau_drm *drm = nouveau_drm(connector->dev); struct nouveau_connector *nv_connector = nouveau_connector(connector); struct drm_device *dev = connector->dev; diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 1d9b80c91a15..e2d07085b6a5 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -102,7 +102,7 @@ static int qxl_drm_freeze(struct drm_device *dev) /* unpin the front buffers */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; if (crtc->enabled) (*crtc_funcs->disable)(crtc); } diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 7ffa7d5563b9..cebb65e07e1d 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -157,7 +157,7 @@ int radeon_get_monitor_bpc(struct drm_connector *connector) if (connector->display_info.bpc) bpc = connector->display_info.bpc; else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { - struct drm_connector_helper_funcs *connector_funcs = + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; struct drm_encoder *encoder = connector_funcs->best_encoder(connector); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); @@ -247,7 +247,7 @@ radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_c struct radeon_device *rdev = dev->dev_private; struct drm_encoder *best_encoder = NULL; struct drm_encoder *encoder = NULL; - struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; bool connected; int i; @@ -724,7 +724,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct if (connector->encoder) radeon_encoder = to_radeon_encoder(connector->encoder); else { - struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); } @@ -751,7 +751,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct if (connector->encoder) radeon_encoder = to_radeon_encoder(connector->encoder); else { - struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); } @@ -762,7 +762,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct if (connector->encoder->crtc) { struct drm_crtc *crtc = connector->encoder->crtc; - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; + const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); radeon_crtc->output_csc = radeon_encoder->output_csc; @@ -942,7 +942,7 @@ static int radeon_lvds_set_property(struct drm_connector *connector, if (connector->encoder) radeon_encoder = to_radeon_encoder(connector->encoder); else { - struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; + const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); } @@ -1010,7 +1010,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder; - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; bool dret = false; enum drm_connector_status ret = connector_status_disconnected; int r; @@ -1140,7 +1140,7 @@ static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector, bool force) { struct drm_encoder *encoder; - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status ret = connector_status_disconnected; int r; @@ -1220,7 +1220,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = NULL; - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; int i, r; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; @@ -1684,7 +1684,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ - struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; + const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); } } diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 5952ff2bb647..1017338a49d9 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -604,7 +604,7 @@ radeon_dp_create_fake_mst_encoder(struct radeon_connector *connector) struct radeon_encoder *radeon_encoder; struct radeon_encoder_mst *mst_enc; struct drm_encoder *encoder; - struct drm_connector_helper_funcs *connector_funcs = connector->base.helper_private; + const struct drm_connector_helper_funcs *connector_funcs = connector->base.helper_private; struct drm_encoder *enc_master = connector_funcs->best_encoder(&connector->base); DRM_DEBUG_KMS("enc master is %p\n", enc_master); diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index c89971d904c3..45715307db71 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -36,7 +36,7 @@ static void radeon_legacy_encoder_disable(struct drm_encoder *encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct drm_encoder_helper_funcs *encoder_funcs; + const struct drm_encoder_helper_funcs *encoder_funcs; encoder_funcs = encoder->helper_private; encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); |