drm/i915: set/unset the DDI eDP backlight

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 8d49a964cb2c67257475a25b911bbc9135d6f199..efd1a728390ed8a32b7f858acac318d634d63dd1 100644 (file)
--- 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 8c9bbc2f456b6f2f80a881aeec585d9468ee21a9..53aee228d2171cbd809f9f0b66454a9993b3d9aa 100644 (file)
--- 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 ff2000a16236e3728b5562e2ba063c805b65b745..c953ea158cdfb1e805707240181ae1e621ffcba9 100644 (file)
--- 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,