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

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commit aca7c13d3b 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>
This commit is contained in:
Helge Deller 2022-10-14 10:13:55 +02:00 • committed by Greg Kroah-Hartman
commit a6dcc6cfa2
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/stifb.c
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@ -1257,7 +1257,7 @@ 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;