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authorFabio Estevam <fabio.estevam@freescale.com>2010-12-24 15:28:24 +0300
committerPaul Mundt <lethal@linux-sh.org>2010-12-27 17:05:55 +0300
commit60328917e6019c7f8a2e70c08d433a05ba9fcfb7 (patch)
tree19d571cfdf784f620379f7e981f9328a26c908d2 /drivers/video/imxfb.c
parentacd0acb65ec907a9e872bbaa7ad811a518b49b45 (diff)
downloadlinux-60328917e6019c7f8a2e70c08d433a05ba9fcfb7.tar.xz
video: imxfb: Fix the maximum value for yres
MX27 and MX25 have 10 bits in the YMAX field of LCDC Size Register. Fix the maximum value for yres. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/imxfb.c')
-rw-r--r--drivers/video/imxfb.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 5c363d026f64..1ab2c2588675 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -53,11 +53,8 @@
#define LCDC_SIZE 0x04
#define SIZE_XMAX(x) ((((x) >> 4) & 0x3f) << 20)
-#ifdef CONFIG_ARCH_MX1
-#define SIZE_YMAX(y) ((y) & 0x1ff)
-#else
-#define SIZE_YMAX(y) ((y) & 0x3ff)
-#endif
+#define YMAX_MASK (cpu_is_mx1() ? 0x1ff : 0x3ff)
+#define SIZE_YMAX(y) ((y) & YMAX_MASK)
#define LCDC_VPW 0x08
#define VPW_VPW(x) ((x) & 0x3ff)
@@ -623,7 +620,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
if (var->right_margin > 255)
printk(KERN_ERR "%s: invalid right_margin %d\n",
info->fix.id, var->right_margin);
- if (var->yres < 1 || var->yres > 511)
+ if (var->yres < 1 || var->yres > YMAX_MASK)
printk(KERN_ERR "%s: invalid yres %d\n",
info->fix.id, var->yres);
if (var->vsync_len > 100)