diff options
| -rw-r--r-- | drivers/video/nvidia/nvidia.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index 30e14eb1f51e..74517b1b26a6 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -849,9 +849,27 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var, if (!mode_valid && info->monspecs.modedb_len) return -EINVAL; + /* + * If we're on a flat panel, check if the mode is outside of the + * panel dimensions. If so, cap it and try for the next best mode + * before bailing out. + */ if (par->fpWidth && par->fpHeight && (par->fpWidth < var->xres || - par->fpHeight < var->yres)) - return -EINVAL; + par->fpHeight < var->yres)) { + const struct fb_videomode *mode; + + var->xres = par->fpWidth; + var->yres = par->fpHeight; + + mode = fb_find_best_mode(var, &info->modelist); + if (!mode) { + printk(KERN_ERR PFX "mode out of range of flat " + "panel dimensions\n"); + return -EINVAL; + } + + fb_videomode_to_var(var, mode); + } if (var->yres_virtual < var->yres) var->yres_virtual = var->yres; |