drm/amd/display: add DalEnableHDMI20 key support
authorCharlene Liu <charlene.liu@amd.com>
Tue, 26 Jun 2018 22:49:32 +0000 (18:49 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 13 Jul 2018 19:51:11 +0000 (14:51 -0500)
commit8fc0a0d4a0a49ed148db2e484539516ad67b6321
tree0c27b1c2c8e892f09a70548c012fdc21838afab7
parente0d85b20c74fc078862262da64b36e8e7b6663e7
drm/amd/display: add DalEnableHDMI20 key support

[why]
"DalEnableHDMI20" set to 0, disallow HDMI YCbCr420 and  pixel clock > 340Mhz
Default is enabled.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dc.h
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c