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Date:   Fri, 26 Feb 2021 14:12:03 +0200
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Jani Nikula <jani.nikula@...ux.intel.com>
Subject: Re: [PATCH -next] fbdev: atyfb: use LCD management functions for
 PPC_PMAC also

On Thu, Feb 25, 2021 at 04:05:37PM -0800, Randy Dunlap wrote:
> Include PPC_PMAC in the configs that use aty_ld_lcd() and
> aty_st_lcd() implementations so that the PM code may work
> correctly for PPC_PMAC.
> 
> Suggested-by: Ville Syrjälä <ville.syrjala@...ux.intel.com>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Daniel Vetter <daniel.vetter@...ll.ch>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: linux-fbdev@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Jani Nikula <jani.nikula@...ux.intel.com>
> ---
> Daniel- We also need this patch:
> https://lore.kernel.org/dri-devel/20210224215528.822-1-rdunlap@infradead.org/
> to fix a kernel test robot build error.
> 
>  drivers/video/fbdev/aty/atyfb_base.c |    8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> --- linux-next-20210219.orig/drivers/video/fbdev/aty/atyfb_base.c
> +++ linux-next-20210219/drivers/video/fbdev/aty/atyfb_base.c
> @@ -132,8 +132,7 @@
>  #define PRINTKI(fmt, args...)	printk(KERN_INFO "atyfb: " fmt, ## args)
>  #define PRINTKE(fmt, args...)	printk(KERN_ERR "atyfb: " fmt, ## args)
>  
> -#if defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_GENERIC_LCD) || \
> -defined(CONFIG_FB_ATY_BACKLIGHT)
> +#if defined(CONFIG_PPC_PMAC)

Did you send an old version by accident? That's definitely
not what we want since it would break everything except PPC_PMAC.

>  static const u32 lt_lcd_regs[] = {
>  	CNFG_PANEL_LG,
>  	LCD_GEN_CNTL_LG,
> @@ -175,8 +174,7 @@ 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) */
> +#else /* defined(CONFIG_PPC_PMAC) */
>  void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
>  { }
>  
> @@ -184,7 +182,7 @@ u32 aty_ld_lcd(int index, const struct a
>  {
>  	return 0;
>  }
> -#endif /* defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) */
> +#endif /* defined(CONFIG_PPC_PMAC) */
>  
>  #ifdef CONFIG_FB_ATY_GENERIC_LCD
>  /*

-- 
Ville Syrjälä
Intel

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