diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mode_config.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mode_config.c | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index 939d621c9ad4..d12db9b0bab8 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -20,6 +20,7 @@ * OF THIS SOFTWARE. */ +#include <linux/export.h> #include <linux/uaccess.h> #include <drm/drm_drv.h> @@ -29,6 +30,7 @@ #include <drm/drm_managed.h> #include <drm/drm_mode_config.h> #include <drm/drm_print.h> +#include <drm/drm_colorop.h> #include <linux/dma-resv.h> #include "drm_crtc_internal.h" @@ -150,10 +152,16 @@ int drm_mode_getresources(struct drm_device *dev, void *data, drm_connector_list_iter_begin(dev, &conn_iter); count = 0; connector_id = u64_to_user_ptr(card_res->connector_id_ptr); + /* + * FIXME: the connectors on the list may not be fully initialized yet, + * if the ioctl is called before the connectors are registered. (See + * drm_dev_register()->drm_modeset_register_all() for static and + * drm_connector_dynamic_register() for dynamic connectors.) + * The driver should only get registered after static connectors are + * fully initialized and dynamic connectors should be added to the + * connector list only after fully initializing them. + */ drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->registration_state != DRM_CONNECTOR_REGISTERED) - continue; - /* only expose writeback connectors if userspace understands them */ if (!file_priv->writeback_connectors && (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)) @@ -185,11 +193,15 @@ int drm_mode_getresources(struct drm_device *dev, void *data, void drm_mode_config_reset(struct drm_device *dev) { struct drm_crtc *crtc; + struct drm_colorop *colorop; struct drm_plane *plane; struct drm_encoder *encoder; struct drm_connector *connector; struct drm_connector_list_iter conn_iter; + drm_for_each_colorop(colorop, dev) + drm_colorop_reset(colorop); + drm_for_each_plane(plane, dev) if (plane->funcs->reset) plane->funcs->reset(plane); @@ -375,6 +387,20 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.modifiers_property = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_BLOB, + "IN_FORMATS_ASYNC", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.async_modifiers_property = prop; + + prop = drm_property_create(dev, + DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_BLOB, + "SIZE_HINTS", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.size_hints_property = prop; + return 0; } @@ -402,6 +428,8 @@ static void drm_mode_config_init_release(struct drm_device *dev, void *ptr) */ int drmm_mode_config_init(struct drm_device *dev) { + int ret; + mutex_init(&dev->mode_config.mutex); drm_modeset_lock_init(&dev->mode_config.connection_mutex); mutex_init(&dev->mode_config.idr_mutex); @@ -414,6 +442,7 @@ int drmm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.property_list); INIT_LIST_HEAD(&dev->mode_config.property_blob_list); INIT_LIST_HEAD(&dev->mode_config.plane_list); + INIT_LIST_HEAD(&dev->mode_config.colorop_list); INIT_LIST_HEAD(&dev->mode_config.privobj_list); idr_init_base(&dev->mode_config.object_idr, 1); idr_init_base(&dev->mode_config.tile_idr, 1); @@ -423,7 +452,11 @@ int drmm_mode_config_init(struct drm_device *dev) init_llist_head(&dev->mode_config.connector_free_list); INIT_WORK(&dev->mode_config.connector_free_work, drm_connector_free_work_fn); - drm_mode_create_standard_properties(dev); + ret = drm_mode_create_standard_properties(dev); + if (ret) { + drm_mode_config_cleanup(dev); + return ret; + } /* Just to be sure */ dev->mode_config.num_fb = 0; @@ -431,6 +464,7 @@ int drmm_mode_config_init(struct drm_device *dev) dev->mode_config.num_crtc = 0; dev->mode_config.num_encoder = 0; dev->mode_config.num_total_plane = 0; + dev->mode_config.num_colorop = 0; if (IS_ENABLED(CONFIG_LOCKDEP)) { struct drm_modeset_acquire_ctx modeset_ctx; @@ -446,6 +480,8 @@ int drmm_mode_config_init(struct drm_device *dev) if (ret == -EDEADLK) ret = drm_modeset_backoff(&modeset_ctx); + might_fault(); + ww_acquire_init(&resv_ctx, &reservation_ww_class); ret = dma_resv_lock(&resv, &resv_ctx); if (ret == -EDEADLK) @@ -541,7 +577,7 @@ void drm_mode_config_cleanup(struct drm_device *dev) */ WARN_ON(!list_empty(&dev->mode_config.fb_list)); list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { - struct drm_printer p = drm_debug_printer("[leaked fb]"); + struct drm_printer p = drm_dbg_printer(dev, DRM_UT_KMS, "[leaked fb]"); drm_printf(&p, "framebuffer[%u]:\n", fb->base.id); drm_framebuffer_print_info(&p, 1, fb); |