ParseEDID: make BlockCount reflect number of blocks.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Pass all edid blocks in one go to disp.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Split out the cycle of ParseEDID into ParseEDID_DataBlock.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Add DPMS off support.

Turn off disp clocks on DPMS off.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>