help
enable i.MX graphics support
-config DRM_IMX_FB_HELPER
- tristate "provide legacy framebuffer /dev/fb0"
- select DRM_KMS_CMA_HELPER
- depends on DRM_IMX
- help
- The DRM framework can provide a legacy /dev/fb0 framebuffer
- for your device. This is necessary to get a framebuffer console
- and also for applications using the legacy framebuffer API
-
config DRM_IMX_PARALLEL_DISPLAY
tristate "Support for parallel displays"
select DRM_PANEL
struct imx_drm_crtc_helper_funcs imx_drm_helper_funcs;
};
+#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION)
static int legacyfb_depth = 16;
module_param(legacyfb_depth, int, 0444);
+#endif
int imx_drm_crtc_id(struct imx_drm_crtc *crtc)
{
static void imx_drm_driver_lastclose(struct drm_device *drm)
{
-#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
struct imx_drm_device *imxdrm = drm->dev_private;
if (imxdrm->fbhelper)
drm_fbdev_cma_restore_mode(imxdrm->fbhelper);
-#endif
}
static int imx_drm_driver_unload(struct drm_device *drm)
{
-#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
struct imx_drm_device *imxdrm = drm->dev_private;
-#endif
drm_kms_helper_poll_fini(drm);
-#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
if (imxdrm->fbhelper)
drm_fbdev_cma_fini(imxdrm->fbhelper);
-#endif
component_unbind_all(drm->dev, drm);
static void imx_drm_output_poll_changed(struct drm_device *drm)
{
-#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
struct imx_drm_device *imxdrm = drm->dev_private;
drm_fbdev_cma_hotplug_event(imxdrm->fbhelper);
-#endif
}
static struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
* The fb helper takes copies of key hardware information, so the
* crtcs/connectors/encoders must not change after this point.
*/
-#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
+#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION)
if (legacyfb_depth != 16 && legacyfb_depth != 32) {
dev_warn(drm->dev, "Invalid legacyfb_depth. Defaulting to 16bpp\n");
legacyfb_depth = 16;