Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/backlight: Check luminance_set when disabling PWM via AUX VESA backlight
When deciding what if PWM funcs need to be disabled take into account
luminance_set too. We do this since it is also used to decide if
we are enabling PWM backlight funcs or not.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/15671
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patch.msgid.link/20260302040613.3324049-5-suraj.kandpal@intel.com
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-1
+2
-1
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+2
-1
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
···
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drm_edp_backlight_disable(&intel_dp->aux, &panel->backlight.edp.vesa.info);
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-
if (!panel->backlight.edp.vesa.info.aux_enable)
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+
if (!(panel->backlight.edp.vesa.info.aux_enable ||
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panel->backlight.edp.vesa.info.luminance_set))
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panel->backlight.pwm_funcs->disable(old_conn_state,
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intel_backlight_invert_pwm_level(connector, 0));
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}