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Subject[PATCH 4.14 061/210] parisc: fbdev/stifb: Align graphics memory size to 4MB
Date
From: Helge Deller <deller@gmx.de>

commit aca7c13d3bee81a968337a5515411409ae9d095d upstream.

Independend of the current graphics resolution, adjust the reported
graphics card memory size to the next 4MB boundary.
This fixes the fbtest program which expects a naturally aligned size.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/fbdev/stifb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1259,7 +1259,7 @@ static int __init stifb_init_fb(struct s

/* limit fbsize to max visible screen size */
if (fix->smem_len > yres*fix->line_length)
- fix->smem_len = yres*fix->line_length;
+ fix->smem_len = ALIGN(yres*fix->line_length, 4*1024*1024);

fix->accel = FB_ACCEL_NONE;


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