diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sunxi_engine.h')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sunxi_engine.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sunxi_engine.h b/drivers/gpu/drm/sun4i/sunxi_engine.h index 548710a936d5..ec8cf9b2bda4 100644 --- a/drivers/gpu/drm/sun4i/sunxi_engine.h +++ b/drivers/gpu/drm/sun4i/sunxi_engine.h @@ -9,6 +9,7 @@ struct drm_plane; struct drm_device; struct drm_crtc_state; +struct drm_display_mode; struct sunxi_engine; @@ -108,6 +109,17 @@ struct sunxi_engine_ops { * This function is optional. */ void (*vblank_quirk)(struct sunxi_engine *engine); + + /** + * @mode_set + * + * This callback is used to set mode related parameters + * like interlacing, screen size, etc. once per mode set. + * + * This function is optional. + */ + void (*mode_set)(struct sunxi_engine *engine, + const struct drm_display_mode *mode); }; /** @@ -181,4 +193,19 @@ sunxi_engine_disable_color_correction(struct sunxi_engine *engine) if (engine->ops && engine->ops->disable_color_correction) engine->ops->disable_color_correction(engine); } + +/** + * sunxi_engine_mode_set - Inform engine of a new mode + * @engine: pointer to the engine + * @mode: new mode + * + * Engine can use this functionality to set specifics once per mode change. + */ +static inline void +sunxi_engine_mode_set(struct sunxi_engine *engine, + const struct drm_display_mode *mode) +{ + if (engine->ops && engine->ops->mode_set) + engine->ops->mode_set(engine, mode); +} #endif /* _SUNXI_ENGINE_H_ */ |