drm/amd/display: Add Freesync HDMI support to DM

[Why]
Add necessary support for Freesync HDMI in Linux DM

[How]
- Support Freesync HDMI by calling DC interace
- Report Freesync capability to vrr_range debugfs from DRM
- Depends on coming DMCU/DMUB firmware to enable feature

Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Stylon Wang 2020-12-04 12:08:31 +08:00 • committed by Alex Deucher
commit f9b4f20c47
2 changed files with 144 additions and 39 deletions