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

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[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>

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This commit is contained in:

Stylon Wang 2020-12-04 12:08:31 +08:00 • committed by Alex Deucher

parent 00e9d4c0ab

commit f9b4f20c47

2 changed files with 144 additions and 39 deletions

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173

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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8

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

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