From 776d875fd4cbb3884860ea7f63c3958f02b0c80e Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Fri, 14 Oct 2022 20:01:17 +0200
Subject: [PATCH] fbdev: stifb: Fall back to cfb_fillrect() on 32-bit HCRX cards
Git-commit: 776d875fd4cbb3884860ea7f63c3958f02b0c80e
Patch-mainline: v6.1-rc3
References: git-fixes
When the text console is scrolling text upwards it calls the fillrect()
function to empty the new line. The current implementation doesn't seem
to work correctly on HCRX cards in 32-bit mode and leave garbage in that
line instead. Fix it by falling back to standard cfb_fillrect() in that
case.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/video/fbdev/stifb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 7753e586e65a..3feb6e40d56d 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1055,7 +1055,8 @@ stifb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct stifb_info *fb = container_of(info, struct stifb_info, info);
- if (rect->rop != ROP_COPY)
+ if (rect->rop != ROP_COPY ||
+ (fb->id == S9000_ID_HCRX && fb->info.var.bits_per_pixel == 32))
return cfb_fillrect(info, rect);
SETUP_HW(fb);
--
2.35.3