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authorFabio Estevam <fabio.estevam@freescale.com>2010-12-24 12:28:24 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-01-06 15:45:48 +0900
commit7ee04fd5d5ff74f81d8eee128bc9346ab87c56b8 (patch)
treecc994feaed33d146a9329e8f5c99cbd8a28927df /drivers
parent417d48274e755e537bae60461558c1f63a4e14de (diff)
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')
-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 5c363d026f6..1ab2c258867 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)