On Wednesday, April 16, 2014 11:33 PM, Ajay Kumar wrote:
>
> Register exynos_dp_panel before the list of exynos crtcs and
> connectors are probed.
>
> This is needed because exynos_dp_panel should be registered to
> the drm_panel list via panel-exynos-dp probe, i.e much before
> exynos_dp_bind calls of_drm_find_panel().
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_drv.c | 11 +++++++++++
>  drivers/gpu/drm/exynos/exynos_drm_drv.h |  1 +
>  2 files changed, 12 insertions(+)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> index 1d1c604..47266e7 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> @@ -560,12 +560,23 @@ static int exynos_drm_platform_probe(struct platform_device *pdev)
>               goto err_unregister_ipp;
>  #endif
>
> +#ifdef CONFIG_DRM_PANEL_EXYNOS_DP
> +     ret = platform_driver_register(&exynos_dp_panel_driver);
> +     if (ret < 0)
> +             goto err_unregister_dp_panel;
> +#endif
> +
>       ret = component_master_add(&pdev->dev, &exynos_drm_ops);
>       if (ret < 0)
>               DRM_DEBUG_KMS("re-tried by last sub driver probed later.\n");
>
>       return 0;
>
> +#ifdef CONFIG_DRM_PANEL_EXYNOS_DP
> +     platform_driver_unregister(&exynos_dp_panel_driver);
> +err_unregister_dp_panel:
> +#endif

Please add platform_driver_unregister() to exynos_drm_platform_remove(),

as well as exynos_drm_platform_probe().

Best regards,
Jingoo Han

> +
>  #ifdef CONFIG_DRM_EXYNOS_IPP
>       exynos_platform_device_ipp_unregister();
>  err_unregister_ipp:
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
> index 257ce09..f606290 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
> @@ -368,4 +368,5 @@ extern struct platform_driver fimc_driver;
>  extern struct platform_driver rotator_driver;
>  extern struct platform_driver gsc_driver;
>  extern struct platform_driver ipp_driver;
> +extern struct platform_driver exynos_dp_panel_driver;
>  #endif
> --
> 1.8.1.2