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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>
hifive-unleashed-5.1
Fabio Estevam 2010-12-24 10:28:24 -02:00 committed by Paul Mundt
parent acd0acb65e
commit 60328917e6
1 changed files with 3 additions and 6 deletions
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9
drivers/video/imxfb.c
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@ -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)