AOI position cannot be negative.

Signed-off-by: York Sun <[EMAIL PROTECTED]>
---
 drivers/video/fsl-diu-fb.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index d67e79b..8898d2a 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -479,6 +479,10 @@ static void adjust_aoi_size_position(struct 
fb_var_screeninfo *var,
        base_plane_width = machine_data->fsl_diu_info[0]->var.xres;
        base_plane_height = machine_data->fsl_diu_info[0]->var.yres;
 
+       if (mfbi->x_aoi_d < 0)
+               mfbi->x_aoi_d = 0;
+       if (mfbi->y_aoi_d < 0)
+               mfbi->y_aoi_d = 0;
        switch (index) {
        case 0:
                if (mfbi->x_aoi_d != 0)
-- 
1.5.2.2

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