Re: [PATCH -next] fbdev: atyfb: use LCD management functions for PPC_PMAC also

From: Randy Dunlap
Date: Fri Feb 26 2021 - 11:39:08 EST


On 2/26/21 4:12 AM, Ville Syrjälä wrote:
> 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@xxxxxxxxxxxxxxx>
>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
>> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
>> Cc: linux-fbdev@xxxxxxxxxxxxxxx
>> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
>> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
>> Cc: David Airlie <airlied@xxxxxxxx>
>> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
>> ---
>> Daniel- We also need this patch:
>> https://lore.kernel.org/dri-devel/20210224215528.822-1-rdunlap@xxxxxxxxxxxxx/
>> 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.


Yikes!

Yes, thanks for catching that.
I'll get the newer version out soon.

>> 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
>> /*
>


--
~Randy