Searched refs:pch_ctl1 (Results 1 - 1 of 1) sorted by relevance

/linux-4.1.27/drivers/gpu/drm/i915/
H A Dintel_panel.c779 u32 pch_ctl1, pch_ctl2; bdw_enable_backlight() local
781 pch_ctl1 = I915_READ(BLC_PWM_PCH_CTL1); bdw_enable_backlight()
782 if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { bdw_enable_backlight()
784 pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; bdw_enable_backlight()
785 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1); bdw_enable_backlight()
791 pch_ctl1 = 0; bdw_enable_backlight()
793 pch_ctl1 |= BLM_PCH_POLARITY; bdw_enable_backlight()
797 pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE; bdw_enable_backlight()
799 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1); bdw_enable_backlight()
801 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1 | BLM_PCH_PWM_ENABLE); bdw_enable_backlight()
815 u32 cpu_ctl2, pch_ctl1, pch_ctl2; pch_enable_backlight() local
824 pch_ctl1 = I915_READ(BLC_PWM_PCH_CTL1); pch_enable_backlight()
825 if (pch_ctl1 & BLM_PCH_PWM_ENABLE) { pch_enable_backlight()
827 pch_ctl1 &= ~BLM_PCH_PWM_ENABLE; pch_enable_backlight()
828 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1); pch_enable_backlight()
845 pch_ctl1 = 0; pch_enable_backlight()
847 pch_ctl1 |= BLM_PCH_POLARITY; pch_enable_backlight()
849 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1); pch_enable_backlight()
851 I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1 | BLM_PCH_PWM_ENABLE); pch_enable_backlight()
1158 u32 pch_ctl1, pch_ctl2, val; bdw_setup_backlight() local
1160 pch_ctl1 = I915_READ(BLC_PWM_PCH_CTL1); bdw_setup_backlight()
1161 panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; bdw_setup_backlight()
1173 panel->backlight.enabled = (pch_ctl1 & BLM_PCH_PWM_ENABLE) && bdw_setup_backlight()
1184 u32 cpu_ctl2, pch_ctl1, pch_ctl2, val; pch_setup_backlight() local
1186 pch_ctl1 = I915_READ(BLC_PWM_PCH_CTL1); pch_setup_backlight()
1187 panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY; pch_setup_backlight()
1201 (pch_ctl1 & BLM_PCH_PWM_ENABLE) && panel->backlight.level != 0; pch_setup_backlight()

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