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(parent: 1cd99a8) | patch
drm/amd/powerplay: bypass fan table setup if no fan connected
authorHawking Zhang <Hawking.Zhang@amd.com>
Thu, 1 Dec 2016 09:14:45 +0000 (17:14 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 6 Dec 2016 23:08:33 +0000 (18:08 -0500)
commit10e2ca346bf74561ff1b7fff6287716ab976cd8c
treebd86ee6f909a5b5b49b222469e5c20c3f18d26f9tree
parent1cd99a8d97c90e04d526d843f2be950f6e4e3bd2commit | diff
drm/amd/powerplay: bypass fan table setup if no fan connected

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
drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c diff | blob | history
drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c diff | blob | history
drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c diff | blob | history
drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c diff | blob | history
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