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

[Randy Dunlap]

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 at linux.intel.com>
Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Nick Desaulniers <ndesaulniers at google.com>
Cc: linux-fbdev at vger.kernel.org
Cc: dri-devel at lists.freedesktop.org
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: David Airlie <airlied at linux.ie>
Cc: Jani Nikula <jani.nikula at linux.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)
 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
 /*