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authorAkhil P Oommen <quic_akhilpo@quicinc.com>2025-02-26 01:22:14 +0530
committerRob Clark <robdclark@chromium.org>2025-02-27 11:54:40 -0800
commitf561db72a663f8a73c2250bf3244ce1ce221bed7 (patch)
treec8033f6a7072180bed65d08af0fdea305a9da43e /tools/perf/scripts/python/call-graph-from-postgresql.py
parent89839e69f6154feecd79bd01171375225b0296e9 (diff)
drm/msm/a6xx: Fix stale rpmh votes from GPU
It was observed on sc7180 (A618 gpu) that GPU votes for GX rail and CNOC BCM nodes were not removed after GPU suspend. This was because we skipped sending 'prepare-slumber' request to gmu during suspend sequence in some cases. So, make sure we always call prepare-slumber hfi during suspend. Also, calling prepare-slumber without a prior oob-gpu handshake messes up gmu firmware's internal state. So, do that when required. Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support") Cc: stable@vger.kernel.org Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/639569/ Signed-off-by: Rob Clark <robdclark@chromium.org>
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