[Intel-gfx] [Patch 4/4] DRM/I915: Add the default mode for CRT output without EDID

[yakui.zhao at intel.com]

From: Zhao Yakui <yakui.zhao at intel.com>

Add the default mode for the CRT output without EDID. But we only add the mode
which visible part is equal to or less than 1024x768.

Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
---
 drivers/gpu/drm/i915/intel_crt.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: linux-2.6/drivers/gpu/drm/i915/intel_crt.c
===================================================================
--- linux-2.6.orig/drivers/gpu/drm/i915/intel_crt.c	2009-09-03 08:56:50.000000000 +0800
+++ linux-2.6/drivers/gpu/drm/i915/intel_crt.c	2009-09-03 09:28:35.000000000 +0800
@@ -458,6 +458,14 @@
 	intel_i2c_destroy(ddcbus);
 
 end:
+	if (!ret) {
+		/*
+ 		 * when there is no EDID, add some default modes.
+		 * But the hdisplay should not be greater than 1024.
+		 * the vdisplay should not be greater than 768
+		 */
+		ret = drm_add_modes_noedid(connector, 1024, 768);
+	}
 	return ret;
 
 }