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(parent: 9b1795e) | patch
drm/i915/backlight: Fix divide by 0 error in i9xx_set_backlight
authorSuraj Kandpal <suraj.kandpal@intel.com>
Tue, 19 Aug 2025 16:04:39 +0000 (21:34 +0530)
committerSuraj Kandpal <suraj.kandpal@intel.com>
Thu, 21 Aug 2025 04:15:10 +0000 (09:45 +0530)
commit11c09b55b3d36f5cfa15873e2e0f1e04166bcfd4
tree9bb9a3d49b1f15a104940290e0e10cdf9fa2a598tree | snapshot
parent9b1795e9b0ae6d8b2c50987048170f77d0dc0300commit | diff
drm/i915/backlight: Fix divide by 0 error in i9xx_set_backlight

pwm_level_max maybe 0 we do throw a warning but move ahead with
execution which may later cause a /0 error.

--v2
-return if the warn_on gets hit [Jani]

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/20250819160438.145734-1-suraj.kandpal@intel.com
drivers/gpu/drm/i915/display/intel_backlight.c diff | blob | blame | history
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