[PATCH 4.9 050/159] parisc: fbdev/stifb: Align graphics memory size to 4MB

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From: Helge Deller <deller@xxxxxx>

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@xxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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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