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Date:   Mon, 22 Feb 2021 17:25:15 +0100
From:   Daniel Vetter <daniel@ffwll.ch>
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>,
        linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH] fbdev: atyfb: add stubs for aty_{ld,st}_lcd()
Message-ID: <YDPa6zThEuW9Mynu@phenom.ffwll.local>
Mail-Followup-To: Randy Dunlap <rdunlap@infradead.org>,
        linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>,
        linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Sam Ravnborg <sam@ravnborg.org>, David Airlie <airlied@linux.ie>,
        Jani Nikula <jani.nikula@linux.intel.com>
References: <20210222032853.21483-1-rdunlap@infradead.org>
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On Sun, Feb 21, 2021 at 07:28:53PM -0800, Randy Dunlap wrote:
> Fix build errors when these functions are not defined.
> 
> ../drivers/video/fbdev/aty/atyfb_base.c: In function 'aty_power_mgmt':
> ../drivers/video/fbdev/aty/atyfb_base.c:2002:7: error: implicit declaration of function 'aty_ld_lcd'; did you mean 'aty_ld_8'? [-Werror=implicit-function-declaration]
>  2002 |  pm = aty_ld_lcd(POWER_MANAGEMENT, par);
> ../drivers/video/fbdev/aty/atyfb_base.c:2004:2: error: implicit declaration of function 'aty_st_lcd'; did you mean 'aty_st_8'? [-Werror=implicit-function-declaration]
>  2004 |  aty_st_lcd(POWER_MANAGEMENT, pm, par);
> 
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: linux-fbdev@vger.kernel.org
> Cc: dri-devel@lists.freedesktop.org
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>

stuffed into drm-misc-next-fixes for 5.12, thanks for your patch.
-Daniel

> ---
>  drivers/video/fbdev/aty/atyfb_base.c |    9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> --- linux-next-20210219.orig/drivers/video/fbdev/aty/atyfb_base.c
> +++ linux-next-20210219/drivers/video/fbdev/aty/atyfb_base.c
> @@ -175,6 +175,15 @@ u32 aty_ld_lcd(int index, const struct a
>  		return aty_ld_le32(LCD_DATA, par);
>  	}
>  }
> +#else /* defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_BACKLIGHT) \
> +	 defined(CONFIG_FB_ATY_GENERIC_LCD) */
> +void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
> +{ }
> +
> +u32 aty_ld_lcd(int index, const struct atyfb_par *par)
> +{
> +	return 0;
> +}
>  #endif /* defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) */
>  
>  #ifdef CONFIG_FB_ATY_GENERIC_LCD

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch