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drm/amd/pm: avoid unintentional shutdown due to temperature momentary fluctuation

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commit b75efe88b2 upstream.

An intentional delay is added on soft ctf triggered. Then there will
be a double check for the GPU temperature before taking further
action. This can avoid unintended shutdown due to temperature
momentary fluctuation.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[ Hand-modified because XCP support added to amdgpu.h in kernel 6.5
  and is not necessary for this fix. ]
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1267
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2779
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Evan Quan 2023-05-04 17:09:39 +08:00 • committed by Greg Kroah-Hartman
commit 737d519e7b
8 changed files with 102 additions and 32 deletions
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