drm/amd/display: Improve HDMI info retrieval

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[WHY & HOW]
Make a dedicated function to read HDMI-related monitor info, including
monitor's SCDC support.

Fixes: 3471b9a31c ("drm/amd/display: Rework HDMI data channel reads")
Suggested-by: Fangzhi Zuo <jerry.zuo@amd.com>
Reviewed-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c78e31bcf5)

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This commit is contained in:

Ivan Lipski 2025-11-07 16:50:37 -05:00 • committed by Alex Deucher

parent cf32644963

commit 2e1da46091

2 changed files with 11 additions and 0 deletions

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3

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

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8

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

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