From d6c50ff8cae880f20969556698a3246ac401144c Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Tue, 23 Oct 2012 18:30:06 -0200 Subject: [PATCH] drm/i915: set/unset the DDI eDP backlight Signed-off-by: Paulo Zanoni Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_ddi.c | 15 +++++++++++++-- drivers/gpu/drm/i915/intel_dp.c | 4 ++-- drivers/gpu/drm/i915/intel_drv.h | 6 ++++-- 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 8d49a96..efd1a72 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1231,12 +1231,23 @@ void intel_enable_ddi(struct intel_encoder *intel_encoder) * enabling the port. */ I915_WRITE(DDI_BUF_CTL(port), DDI_BUF_CTL_ENABLE); + } else if (type == INTEL_OUTPUT_EDP) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + ironlake_edp_backlight_on(intel_dp); } } -void intel_disable_ddi(struct intel_encoder *encoder) +void intel_disable_ddi(struct intel_encoder *intel_encoder) { - /* This will be needed in the future, so leave it here for now */ + struct drm_encoder *encoder = &intel_encoder->base; + int type = intel_encoder->type; + + if (type == INTEL_OUTPUT_EDP) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + ironlake_edp_backlight_off(intel_dp); + } } int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 8c9bbc2..53aee22 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1164,7 +1164,7 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp) ironlake_wait_panel_off(intel_dp); } -static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) +void ironlake_edp_backlight_on(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -1190,7 +1190,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) intel_panel_enable_backlight(dev, pipe); } -static void ironlake_edp_backlight_off(struct intel_dp *intel_dp) +void ironlake_edp_backlight_off(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index ff2000a..c953ea1 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -438,6 +438,8 @@ extern void intel_dp_start_link_train(struct intel_dp *intel_dp); extern void intel_dp_complete_link_train(struct intel_dp *intel_dp); extern void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); extern bool intel_dpd_is_edp(struct drm_device *dev); +extern void ironlake_edp_backlight_on(struct intel_dp *intel_dp); +extern void ironlake_edp_backlight_off(struct intel_dp *intel_dp); extern void intel_edp_link_config(struct intel_encoder *, int *, int *); extern int intel_edp_target_clock(struct intel_encoder *, struct drm_display_mode *mode); @@ -601,8 +603,8 @@ extern void intel_disable_gt_powersave(struct drm_device *dev); extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv); extern void ironlake_teardown_rc6(struct drm_device *dev); -extern void intel_enable_ddi(struct intel_encoder *encoder); -extern void intel_disable_ddi(struct intel_encoder *encoder); +extern void intel_enable_ddi(struct intel_encoder *intel_encoder); +extern void intel_disable_ddi(struct intel_encoder *intel_encoder); extern bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); extern void intel_ddi_mode_set(struct drm_encoder *encoder, -- 2.7.4