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path: root/drivers/video/amba-clcd.c
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Diffstat (limited to 'drivers/video/amba-clcd.c')
-rw-r--r--drivers/video/amba-clcd.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index acdba0c67fb..3e386fd4c5c 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -125,11 +125,11 @@ clcdfb_set_bitfields(struct clcd_fb *fb, struct fb_var_screeninfo *var)
case 2:
case 4:
case 8:
- var->red.length = 8;
+ var->red.length = var->bits_per_pixel;
var->red.offset = 0;
- var->green.length = 8;
+ var->green.length = var->bits_per_pixel;
var->green.offset = 0;
- var->blue.length = 8;
+ var->blue.length = var->bits_per_pixel;
var->blue.offset = 0;
break;
case 16:
@@ -146,7 +146,7 @@ clcdfb_set_bitfields(struct clcd_fb *fb, struct fb_var_screeninfo *var)
var->blue.offset = 10;
}
break;
- case 24:
+ case 32:
if (fb->panel->cntl & CNTL_LCDTFT) {
var->red.length = 8;
var->green.length = 8;
@@ -178,6 +178,12 @@ static int clcdfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
if (fb->board->check)
ret = fb->board->check(fb, var);
+
+ if (ret == 0 &&
+ var->xres_virtual * var->bits_per_pixel / 8 *
+ var->yres_virtual > fb->fb.fix.smem_len)
+ ret = -EINVAL;
+
if (ret == 0)
ret = clcdfb_set_bitfields(fb, var);