drm/amd/powerplay: bypass fan table setup if no fan connected

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If vBIOS noFan bit is set, the fan table parameters in thermal controller
will not get initialized. The driver should avoid to use these uninitialized
parameter to do calculation. Otherwise, it may trigger divide 0 error.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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Hawking Zhang 2016-12-01 17:14:45 +08:00 • committed by Alex Deucher

parent 1cd99a8d97

commit 10e2ca346b

4 changed files with 24 additions and 0 deletions

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6

drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c

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6

drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c

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6

drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c

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6

drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c

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