parisc: fbdev/stifb: Align graphics memory size to 4MB

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>
This commit is contained in:
Helge Deller 2022-10-14 10:13:55 +02:00
parent 027c3d345e
commit aca7c13d3b

View file

@ -1298,7 +1298,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
/* 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;