[PATCH] video: imxfb: Fix the maximum value for yres
From: Fabio Estevam <hidden>
Date: 2010-12-23 17:17:51
Also in:
linux-fbdev
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
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 <redacted> --- drivers/video/imxfb.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 5c363d0..5d2d337 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c@@ -55,8 +55,10 @@ #ifdef CONFIG_ARCH_MX1 #define SIZE_YMAX(y) ((y) & 0x1ff) +#define YMAX_MASK 0x1ff #else #define SIZE_YMAX(y) ((y) & 0x3ff) +#define YMAX_MASK 0x3ff #endif #define LCDC_VPW 0x08
@@ -623,7 +625,7 @@ 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)
--
1.6.0.4