The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 202dc359addab29451d3d18243c3d957da5392c8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024081245-trident-diabolic-2e72@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: 202dc359adda ("drm/amd/display: Defer handling mst up request in resume") 73c57a0aa7f6 ("drm/amd/display: Adjust the MST resume flow") 1e5d4d8eb8c0 ("drm/amd/display: Ext displays with dock can't recognized after resume") 028c4ccfb812 ("drm/amd/display: force connector state when bpc changes during compliance") d5a43956b73b ("drm/amd/display: move dp capability related logic to link_dp_capability") 94dfeaa46925 ("drm/amd/display: move dp phy related logic to link_dp_phy") 630168a97314 ("drm/amd/display: move dp link training logic to link_dp_training") d144b40a4833 ("drm/amd/display: move dc_link_dpia logic to link_dp_dpia") a28d0bac0956 ("drm/amd/display: move dpcd logic from dc_link_dpcd to link_dpcd") a98cdd8c4856 ("drm/amd/display: refactor ddc logic from dc_link_ddc to link_ddc") 4370f72e3845 ("drm/amd/display: refactor hpd logic from dc_link to link_hpd") 0e8cf83a2b47 ("drm/amd/display: allow hpo and dio encoder switching during dp retrain test") 7462475e3a06 ("drm/amd/display: move dccg programming from link hwss hpo dp to hwss") e85d59885409 ("drm/amd/display: use encoder type independent hwss instead of accessing enc directly") ebf13b72020a ("drm/amd/display: Revert Scaler HCBlank issue workaround") 639f6ad6df7f ("drm/amd/display: Revert Reduce delay when sink device not able to ACK 00340h write") e3aa827e2ab3 ("drm/amd/display: Avoid setting pixel rate divider to N/A") 180f33d27a55 ("drm/amd/display: Adjust DP 8b10b LT exit behavior") b7ada7ee61d3 ("drm/amd/display: Populate DP2.0 output type for DML pipe") ea192af507d9 ("drm/amd/display: Only update link settings after successful MST link train") thanks, greg k-h ------------------ original commit in Linus's tree ------------------