linux-kernel - RE: [v1] gpu: ipu-v3: allow to build with ARCH

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Date:   Wed, 8 May 2019 10:33:16 +0000
From:   Wen He <wen.he_1@....com>
To:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Leo Li <leoyang.li@....com>
Subject: RE: [v1] gpu: ipu-v3: allow to build with ARCH_LAYERSCAPE



> -----Original Message-----
> From: Wen He
> Sent: 2019年5月8日 17:42
> To: dri-devel@...ts.freedesktop.org; p.zabel@...gutronix.de
> Cc: Leo Li <leoyang.li@....com>; Wen He <wen.he_1@....com>
> Subject: [v1] gpu: ipu-v3: allow to build with ARCH_LAYERSCAPE
> 
> The new LS1028A DP driver code causes a link failure when DRM_IMX built-in,
> but platform is ARCH_LAYERSCAPE:
> 
> drivers/gpu/drm/imx/ipuv3-crtc.c:51: undefined reference to `ipu_prg_enable'
> drivers/gpu/drm/imx/ipuv3-crtc.c:52: undefined reference to `ipu_dc_enable'
> drivers/gpu/drm/imx/ipuv3-crtc.c:53: undefined reference to
> `ipu_dc_enable_channel'
> drivers/gpu/drm/imx/ipuv3-crtc.c:54: undefined reference to `ipu_di_enable'
> drivers/gpu/drm/imx/ipuv3-crtc.o: In function `ipu_crtc_mode_set_nofb
> 
> Adding a Kconfig dependency allow to build if ARCH_LAYERSCAPE is enable.
> 
> Signed-off-by: Wen He <wen.he_1@....com>
> ---
>  drivers/gpu/ipu-v3/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/ipu-v3/Kconfig b/drivers/gpu/ipu-v3/Kconfig index
> fe6f8c5b4445..51ea88c440df 100644
> --- a/drivers/gpu/ipu-v3/Kconfig
> +++ b/drivers/gpu/ipu-v3/Kconfig
> @@ -1,6 +1,6 @@
>  config IMX_IPUV3_CORE
>  	tristate "IPUv3 core support"
> -	depends on SOC_IMX5 || SOC_IMX6Q || ARCH_MULTIPLATFORM ||
> COMPILE_TEST
> +	depends on SOC_IMX5 || SOC_IMX6Q || ARCH_MULTIPLATFORM ||
> COMPILE_TEST
> +|| ARCH_LAYERSCAPE
>  	depends on DRM || !DRM # if DRM=m, this can't be 'y'
>  	select BITREVERSE
>  	select GENERIC_ALLOCATOR if DRM
> --
> 2.17.1