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authorYoung Xiao <YangX92@hotmail.com>2018-12-17 12:23:03 +0000
committerJani Nikula <jani.nikula@intel.com>2018-12-28 11:35:52 +0200
commitb8449c43c95b5ea40ced8824d4ddea997f77b911 (patch)
treec8d192bf22bd498f3627690833370d04f4ce53a1 /drivers/gpu/drm/drm_pci.c
parent6879216897b7dd4cfeaaed8e80e0374f260fc594 (diff)
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drm/i915: avoid division by zero on skl_calc_wrpll_link
If for some unexpected reason the registers all read zero it's better to WARN and return instead of dividing by zero and completely freezing the machine. See commit 0e005888b833 ("drm/i915: avoid division by zero on cnl_calc_wrpll_link") for detail. Signed-off-by: Young Xiao <YangX92@hotmail.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/SG2PR01MB2169F6E95BC8BB5E29477042ADBC0@SG2PR01MB2169.apcprd01.prod.exchangelabs.com
Diffstat (limited to 'drivers/gpu/drm/drm_pci.c')
0 files changed, 0 insertions, 0 deletions