Merge branch 'core/printk' into tracing/ftrace

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / intel_bios.c

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 65be30dccc7767d8781cad444a317c43930a6064..fc28e2bbd5427e6030869724dfb9bd20b5797451 100644 (file)
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -111,6 +111,12 @@ parse_panel_data(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
        panel_fixed_mode->clock = dvo_timing->clock * 10;
        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
 
+       /* Some VBTs have bogus h/vtotal values */
+       if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+               panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+       if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+               panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
        drm_mode_set_name(panel_fixed_mode);
 
        dev_priv->vbt_mode = panel_fixed_mode;