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path: root/drivers/video/tegra/fb.c
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Diffstat (limited to 'drivers/video/tegra/fb.c')
-rw-r--r--drivers/video/tegra/fb.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/tegra/fb.c b/drivers/video/tegra/fb.c
index b687382d1dd4..a4f21c54dde6 100644
--- a/drivers/video/tegra/fb.c
+++ b/drivers/video/tegra/fb.c
@@ -72,10 +72,16 @@ static int tegra_fb_check_var(struct fb_var_screeninfo *var,
info->screen_size)
return -EINVAL;
+ fb_var_to_videomode(&mode, var);
+
+#if defined(CONFIG_MACH_APALIS_T30) || defined(CONFIG_MACH_COLIBRI_T30)
+ /* Hack: avoid 24 Hz mode in X resulting in no display at all */
+ if (mode.refresh < 50)
+ return -EINVAL;
+#endif /* CONFIG_MACH_APALIS_T30 | CONFIG_MACH_COLIBRI_T30 */
+
/* Apply mode filter for HDMI only -LVDS supports only fix mode */
if (ops && ops->mode_filter) {
-
- fb_var_to_videomode(&mode, var);
if (!ops->mode_filter(dc, &mode))
return -EINVAL;