From: Helge Deller deller@gmx.de
stable inclusion from stable-v5.10.150 commit a6dcc6cfa2934afe2133f44241a3a1b4c758cc2b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0XA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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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 Signed-off-by: Jialin Zhang zhangjialin11@huawei.com --- drivers/video/fbdev/stifb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 002f265d8db5..b0470f4f595e 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -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;