From: Finn Thain <fthain@telegraphics.com.au>
Date: Mon, 1 Apr 2019 15:46:55 +0000 (+0200)
Subject: video/macfb: Always initialize DAFB colour table pointer register
X-Git-Tag: for-linus-20190516~20^2~28
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=36884ceb76661b09af62005c3b60b41670ae71aa;p=linux-2.6-block.git

video/macfb: Always initialize DAFB colour table pointer register

Don't skip the framebuffer CLUT pointer register initialization when
the first dafb_setpalette() invocation has regno equal to zero.

Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---

diff --git a/drivers/video/fbdev/macfb.c b/drivers/video/fbdev/macfb.c
index 37c56c45ee39..8820a556014c 100644
--- a/drivers/video/fbdev/macfb.c
+++ b/drivers/video/fbdev/macfb.c
@@ -148,7 +148,7 @@ static int dafb_setpalette(unsigned int regno, unsigned int red,
 			   unsigned int green, unsigned int blue,
 			   struct fb_info *info)
 {
-	static int lastreg = -1;
+	static int lastreg = -2;
 	unsigned long flags;
 
 	local_irq_save(flags);