[PATCH] drm: dw-hdmi: Fix compilation breakage by selecting REGMAP_MMIO

[Neil Armstrong]

On 06/10/2017 10:59 AM, Laurent Pinchart wrote:
> The dw-hdmi driver switched to regmap-mmio, but lacks the dependency in
> Kconfig. This can result in compilation breakages. Fix it by selecting
> REGMAP_MMIO.
> 
> Fixes: 80e2f97968b5 ("drm: bridge: dw-hdmi: Switch to regmap for register access")
> Reported-by: kbuild test robot <fengguang.wu at intel.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
>  drivers/gpu/drm/bridge/synopsys/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> Archit,
> 
> This is a v4.12 regression fix. While not super critical, it would be
> nice if it could get merged in v4.12.
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/Kconfig b/drivers/gpu/drm/bridge/synopsys/Kconfig
> index 40d2827a6d19..53e78d092d18 100644
> --- a/drivers/gpu/drm/bridge/synopsys/Kconfig
> +++ b/drivers/gpu/drm/bridge/synopsys/Kconfig
> @@ -1,6 +1,7 @@
>  config DRM_DW_HDMI
>  	tristate
>  	select DRM_KMS_HELPER
> +	select REGMAP_MMIO
>  
>  config DRM_DW_HDMI_AHB_AUDIO
>  	tristate "Synopsys Designware AHB Audio interface"
> 

Acked-by: Neil Armstrong <narmstrong at baylibre.com>