drm/amd/display: Refactor otg_blank sequence

Also rename otg_blank to blank_pixel_data.

Signed-off-by: Eric Bernstein <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
3 files changed