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(parent: 85dec71) | patch
drm/amd/powerplay: fix a crash when overclocking Vega M
authorQiu Wenbo <qiuwenbo@phytium.com.cn>
Fri, 17 Jul 2020 07:09:57 +0000 (15:09 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 21 Jul 2020 19:37:40 +0000 (15:37 -0400)
commit0c56c862e712001e4d86bc4f43d74f2425c010c2
tree4bb1fa2923e226cf5cede20638abc3275624b295tree | snapshot
parent85dec7176b96fb6fb44e726ce347db99c572ff64commit | diff
drm/amd/powerplay: fix a crash when overclocking Vega M

Avoid kernel crash when vddci_control is SMU7_VOLTAGE_CONTROL_NONE and
vddci_voltage_table is empty. It has been tested on Intel Hades Canyon
(i7-8809G).

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=208489
Fixes: ac7822b0026f ("drm/amd/powerplay: add smumgr support for VEGAM (v2)")
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Qiu Wenbo <qiuwenbo@phytium.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c diff | blob | history
Domain: System / Kernel;