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| author | Derek Basehore <dbasehore@chromium.org> | 2020-08-13 23:56:06 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2020-08-16 17:12:18 +0200 |
| commit | 5f3e7503b97b3d068304ac8bb74faa10b804b24d (patch) | |
| tree | 5daf87a326d0d20ecc80f2496bf416d21eace9cf /include/drm/drm_panel.h | |
| parent | drm/panel: ilitek-ili9881c: add support for Feixin K101-IM2BYL02 panel (diff) | |
| download | linux-5f3e7503b97b3d068304ac8bb74faa10b804b24d.tar.xz linux-5f3e7503b97b3d068304ac8bb74faa10b804b24d.zip | |
drm/panel: Add helper for reading DT rotation
This adds a helper function for reading the rotation (panel
orientation) from the device tree.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200813215609.28643-2-digetx@gmail.com
Diffstat (limited to 'include/drm/drm_panel.h')
| -rw-r--r-- | include/drm/drm_panel.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 45a1b5a2275d..33605c3f0eba 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -35,6 +35,8 @@ struct drm_device; struct drm_panel; struct display_timing; +enum drm_panel_orientation; + /** * struct drm_panel_funcs - perform operations on a given panel * @@ -188,11 +190,19 @@ int drm_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector #if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL) struct drm_panel *of_drm_find_panel(const struct device_node *np); +int of_drm_get_panel_orientation(const struct device_node *np, + enum drm_panel_orientation *orientation); #else static inline struct drm_panel *of_drm_find_panel(const struct device_node *np) { return ERR_PTR(-ENODEV); } + +static inline int of_drm_get_panel_orientation(const struct device_node *np, + enum drm_panel_orientation *orientation) +{ + return -ENODEV; +} #endif #if IS_ENABLED(CONFIG_DRM_PANEL) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \ |