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authorWenjing Liu <wenjing.liu@amd.com>2026-06-18 18:05:07 -0400
committerAlex Deucher <alexander.deucher@amd.com>2026-07-28 18:37:29 -0400
commit85df2884384beb20753e96e795f38621e9c465fa (patch)
tree14a8b0b6de03c2723119c2f9b608b8b37ee39e22 /tools/perf/scripts/python/stackcollapse.py
parent598abe0aadcf96acae2bb2315dea4f9a1f2b6659 (diff)
drm/amd/display: Introduce program_perfmon hwss hook and BLS perfmon sequence
[Why] The hubbub perfmon peak-bandwidth path used a monolithic function combining counter configuration and enable in one call, and wrote results into a caller-supplied struct outside the dc_state model. A BLS-driven approach builds the measurement from stateless primitives, gates it to OTG frame boundaries, and stores results in dc_state. [How] - Rename the peak-BW vtable members from "unbounded_bandwidth" to "out_of_order_bandwidth" and split them into arm and start operations. - Add the full set of perfmon BLS primitives - param structs, union members, enum entries, executors, and hwss_add_* builders - for reset, arm, every start_measuring_* and every get_* operation. - Add dc_probe_status (valid, type, result union) plus probe_status[] to dc_state. - Replace the measure_memory_qos hook with program_perfmon(dc, context), which writes results into probe_status[]. - dc_get_qos_info no longer calls the removed hook. Reviewed-by: Dominik Kaszewski <dominik.kaszewski@amd.com> Signed-off-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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