06722b37d1
[Why] Some sink devices wish to have access to the minimum HBlank supported by the ASIC. [How] Make the ASIC minimum HBlank available in Source Device information address 0x340. Signed-off-by: Ashley Thomas <Ashley.Thomas2@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>