On Thu, Jan 02, 2014 at 09:28:19PM +0000, Russell King wrote:
> @@ -449,6 +458,24 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
> }
> }
>
> + /*
> + * All components are now initialised, so setup the fb helper.
> + * 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 (legacyfb_depth != 16 && legacyfb_depth != 32) {
> + dev_warn(drm->dev, "Invalid legacyfb_depth. Defaulting to 16bpp\n");
> + legacyfb_depth = 16;
> + }
> + imxdrm->fbhelper = drm_fbdev_cma_init(drm, legacyfb_depth,
> + drm->mode_config.num_crtc, 4);
s/4/MAX_CRTC
imx-drm-core.c has the macro.
Shawn
> + if (IS_ERR(imxdrm->fbhelper)) {
> + ret = PTR_ERR(imxdrm->fbhelper);
> + imxdrm->fbhelper = NULL;
> + goto err_unbind;
> + }
> +#endif
> return 0;
>
> err_unbind:
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