diff options
Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
| -rw-r--r-- | drivers/video/atmel_lcdfb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 75dac578104f..f8d0a57a07cb 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -372,6 +372,13 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->transp.offset = var->transp.length = 0; var->xoffset = var->yoffset = 0; + if (info->fix.smem_len) { + unsigned int smem_len = (var->xres_virtual * var->yres_virtual + * ((var->bits_per_pixel + 7) / 8)); + if (smem_len > info->fix.smem_len) + return -EINVAL; + } + /* Saturate vertical and horizontal timings at maximum values */ var->vsync_len = min_t(u32, var->vsync_len, (ATMEL_LCDC_VPW >> ATMEL_LCDC_VPW_OFFSET) + 1); @@ -408,6 +415,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->red.offset = 11; var->blue.offset = 0; var->green.length = 6; + } else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) { + var->red.offset = 10; + var->blue.offset = 0; + var->green.length = 5; } else { /* BGR:555 mode */ var->red.offset = 0; |