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drm/i915/backlight: Check luminance_set when disabling PWM via AUX VESA backlight

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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
This commit is contained in:
Suraj Kandpal 2026-03-02 09:36:09 +05:30
parent 79e870c86d
commit e2b83593f6
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
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@ -511,7 +511,8 @@ static void intel_dp_aux_vesa_disable_backlight(const struct drm_connector_state
drm_edp_backlight_disable(&intel_dp->aux, &panel->backlight.edp.vesa.info);
if (!panel->backlight.edp.vesa.info.aux_enable)
if (!(panel->backlight.edp.vesa.info.aux_enable ||
panel->backlight.edp.vesa.info.luminance_set))
panel->backlight.pwm_funcs->disable(old_conn_state,
intel_backlight_invert_pwm_level(connector, 0));
}