comments update only. There's now enough info to implement actual use of DDC/EDID (I hope). It will be mixed with the old methods, since on some cards DDC fails for some connectors, and laptops don't use DDC for their internal panels at all.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30901 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/accelerants/nvidia/engine/nv_i2c.c

@@ -674,11 +674,11 @@ i2c_DumpSpecsEDID(edid_specs* specs)
  * - con1 resides closest to the mainboard on for example NV25 and NV28, while for
  *   example on NV34 con2 sits closest to the mainboard.
  * - i2c bus0 is connected to con1, and i2c bus1 is connected to con2 on all pre-NV40
- *   architecture cards. On later cards it's vice versa. */
-//>>>fixme:
-//- re-check if the latter note is true,
-//- and check if it's dependant on the DAC cross connection switch..
-//- and check if analog or digital connection type influences this..
+ *   architecture cards. On later cards it's vice versa. These connections do not depend
+ *   on the analog VGA switch setting (see nv_general_output_select()). It also does
+ *   not depend on the way screens are connected to the cards (DVI/VGA, 1 or 2 screens).
+ * - con1 has CRTC1 and DAC1, and con2 has CRTC2 and DAC2 if nv_general_output_select()
+ *   is set to 'straight' and there are only VGA type screens connected. */
 void i2c_DetectScreens(void)
 {
 	edid1_info edid;