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From: Paulo Zanoni <przanoni@gmail.com>
To: intel-gfx@lists.freedesktop.org
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: [PATCH 12/14] drm/i915: set/unset the DDI eDP backlight
Date: Thu, 18 Oct 2012 18:21:42 -0300	[thread overview]
Message-ID: <1350595304-18237-13-git-send-email-przanoni@gmail.com> (raw)
In-Reply-To: <1350595304-18237-1-git-send-email-przanoni@gmail.com>

From: Paulo Zanoni <paulo.r.zanoni@intel.com>

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
---
 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 5e21bc1..48eb125 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1230,12 +1230,23 @@ 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 9486f11..f241f49 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1178,7 +1178,7 @@ 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;
@@ -1201,7 +1201,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
 	POSTING_READ(PCH_PP_CONTROL);
 }
 
-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 ed436d0..7247950 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -428,6 +428,8 @@ 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);
@@ -586,8 +588,8 @@ 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,
-- 
1.7.11.4

  parent reply	other threads:[~2012-10-18 21:22 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-18 21:21 [PATCH 00/14] Haswell eDP enablement Paulo Zanoni
2012-10-18 21:21 ` [PATCH 01/14] drm/i915: add TRANSCODER_EDP Paulo Zanoni
2012-10-18 22:00   ` Daniel Vetter
2012-10-18 21:21 ` [PATCH 02/14] drm/i915: convert PIPE_CLK_SEL to transcoder Paulo Zanoni
2012-10-18 21:21 ` [PATCH 03/14] drm/i915: convert DDI_FUNC_CTL " Paulo Zanoni
2012-10-18 21:21 ` [PATCH 04/14] drm/i915: check TRANSCODER_EDP on intel_modeset_setup_hw_state Paulo Zanoni
2012-10-18 22:02   ` Daniel Vetter
2012-10-19 19:30     ` Paulo Zanoni
2012-10-18 21:21 ` [PATCH 05/14] drm/i915: convert PIPECONF to use transcoder instead of pipe Paulo Zanoni
2012-10-18 22:23   ` Daniel Vetter
2012-10-19 18:36     ` Paulo Zanoni
2012-10-18 21:21 ` [PATCH 06/14] drm/i915: convert PIPE_MSA_MISC to transcoder Paulo Zanoni
2012-10-18 21:21 ` [PATCH 07/14] drm/i915: convert CPU M/N timings " Paulo Zanoni
2012-10-18 22:25   ` Daniel Vetter
2012-10-18 21:21 ` [PATCH 08/14] drm/i915: convert pipe timing definitions " Paulo Zanoni
2012-10-18 22:29   ` Daniel Vetter
2012-10-18 21:21 ` [PATCH 09/14] drm/i915: implement workaround for VTOTAL when using TRANSCODER_EDP Paulo Zanoni
2012-10-18 21:21 ` [PATCH 10/14] drm/i915: select the correct pipe " Paulo Zanoni
2012-10-18 21:21 ` [PATCH 11/14] drm/i915: set the correct eDP aux channel clock divider on DDI Paulo Zanoni
2012-10-18 21:21 ` Paulo Zanoni [this message]
2012-10-18 21:21 ` [PATCH 13/14] drm/i915: turn the eDP DDI panel on/off Paulo Zanoni
2012-10-18 21:21 ` [PATCH 14/14] drm/i915: enable DDI eDP Paulo Zanoni

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