tree 62e91f5cb6609d7f41d843cd183f2f8344e0d8fa
parent 5449e07caa3a246c4ec79213978e70097e8b52aa
author Harry Wentland <harry.wentland@amd.com> 1519151783 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1520458022 -0500

drm/amd/display: Default HDMI6G support to true. Log VBIOS table error.

There have been many reports of Ellesmere and Baffin systems not being
able to drive HDMI 4k60 due to the fact that we check the HDMI_6GB_EN
bit from VBIOS table. Windows seems to not have this issue.

On some systems we fail to the encoder cap info from VBIOS. In that case
we should default to enabling HDMI6G support.

This was tested by dwagner on
https://bugs.freedesktop.org/show_bug.cgi?id=102820

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org