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(parent: 70ed467) | patch
drm/amd/display: Add DC link support for FRL
authorHarry Wentland <harry.wentland@amd.com>
Fri, 24 Apr 2026 18:14:58 +0000 (14:14 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 3 Jun 2026 17:44:44 +0000 (13:44 -0400)
commitcbb8e2044b9e936dfa66f1d4a2f835316c741a67
treec3abc1ef72fd00b1fa9d173c0aa8606a5e2a1380tree | snapshot
parent70ed4679c5129b3a404116dfafa3ddb23a7cfa7acommit | diff
drm/amd/display: Add DC link support for FRL

Start bringing in the protocol layer for FRL in DC link.
This includes FRL training, timing validation, and other
protocol bits.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
14 files changed:
drivers/gpu/drm/amd/display/dc/link/Makefile diff | blob | history
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_frl.c [new file with mode: 0644] blob
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_frl.h [new file with mode: 0644] blob
drivers/gpu/drm/amd/display/dc/link/link_detection.c diff | blob | history
drivers/gpu/drm/amd/display/dc/link/link_dpms.c diff | blob | history
drivers/gpu/drm/amd/display/dc/link/link_dpms.h diff | blob | history
drivers/gpu/drm/amd/display/dc/link/link_factory.c diff | blob | history
drivers/gpu/drm/amd/display/dc/link/link_validation.c diff | blob | history
drivers/gpu/drm/amd/display/dc/link/link_validation.h diff | blob | history
drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c diff | blob | history
drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h diff | blob | history
drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c [new file with mode: 0644] blob
drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.h [new file with mode: 0644] blob
drivers/gpu/drm/amd/display/dc/link/protocols/link_hpd.c diff | blob | history
Linux kernels and configurations used by Zygo.