diff options
Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_config.h')
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_config.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h index ad303b34ee03..024cbed0e439 100644 --- a/drivers/gpu/drm/vkms/vkms_config.h +++ b/drivers/gpu/drm/vkms/vkms_config.h @@ -15,12 +15,14 @@ * @dev_name: Name of the device * @planes: List of planes configured for the device * @crtcs: List of CRTCs configured for the device + * @encoders: List of encoders configured for the device * @dev: Used to store the current VKMS device. Only set when the device is instantiated. */ struct vkms_config { const char *dev_name; struct list_head planes; struct list_head crtcs; + struct list_head encoders; struct vkms_device *dev; }; @@ -70,6 +72,24 @@ struct vkms_config_crtc { }; /** + * struct vkms_config_encoder + * + * @link: Link to the others encoders in vkms_config + * @config: The vkms_config this CRTC belongs to + * @encoder: Internal usage. This pointer should never be considered as valid. + * It can be used to store a temporary reference to a VKMS encoder + * during device creation. This pointer is not managed by the + * configuration and must be managed by other means. + */ +struct vkms_config_encoder { + struct list_head link; + struct vkms_config *config; + + /* Internal usage */ + struct drm_encoder *encoder; +}; + +/** * vkms_config_for_each_plane - Iterate over the vkms_config planes * @config: &struct vkms_config pointer * @plane_cfg: &struct vkms_config_plane pointer used as cursor @@ -86,6 +106,14 @@ struct vkms_config_crtc { list_for_each_entry((crtc_cfg), &(config)->crtcs, link) /** + * vkms_config_for_each_encoder - Iterate over the vkms_config encoders + * @config: &struct vkms_config pointer + * @encoder_cfg: &struct vkms_config_encoder pointer used as cursor + */ +#define vkms_config_for_each_encoder(config, encoder_cfg) \ + list_for_each_entry((encoder_cfg), &(config)->encoders, link) + +/** * vkms_config_plane_for_each_possible_crtc - Iterate over the vkms_config_plane * possible CRTCs * @plane_cfg: &struct vkms_config_plane pointer @@ -286,4 +314,22 @@ struct vkms_config_plane *vkms_config_crtc_primary_plane(const struct vkms_confi struct vkms_config_plane *vkms_config_crtc_cursor_plane(const struct vkms_config *config, struct vkms_config_crtc *crtc_cfg); +/** + * vkms_config_create_encoder() - Add a new encoder configuration + * @config: Configuration to add the encoder to + * + * Returns: + * The new encoder configuration or an error. Call vkms_config_destroy_encoder() + * to free the returned encoder configuration. + */ +struct vkms_config_encoder *vkms_config_create_encoder(struct vkms_config *config); + +/** + * vkms_config_destroy_encoder() - Remove and free a encoder configuration + * @config: Configuration to remove the encoder from + * @encoder_cfg: Encoder configuration to destroy + */ +void vkms_config_destroy_encoder(struct vkms_config *config, + struct vkms_config_encoder *encoder_cfg); + #endif /* _VKMS_CONFIG_H_ */ |