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From: "José Roberto de Souza" <jose.souza@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Subject: [PATCH v3 01/10] drm/i915/psr: Use intel_psr_exit() in intel_psr_disable_source()
Date: Thu, 25 Oct 2018 18:17:28 -0700	[thread overview]
Message-ID: <20181026011737.23684-1-jose.souza@intel.com> (raw)

Both functions have the same code to disable PSR, so let's reuse that
code instead of duplicate.

Suggested-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/intel_psr.c | 50 ++++++++++++++------------------
 1 file changed, 21 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 423cdf84059c..f698b3f45c6d 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -657,6 +657,25 @@ void intel_psr_enable(struct intel_dp *intel_dp,
 	mutex_unlock(&dev_priv->psr.lock);
 }
 
+static void intel_psr_exit(struct drm_i915_private *dev_priv)
+{
+	u32 val;
+
+	if (!dev_priv->psr.active)
+		return;
+
+	if (dev_priv->psr.psr2_enabled) {
+		val = I915_READ(EDP_PSR2_CTL);
+		WARN_ON(!(val & EDP_PSR2_ENABLE));
+		I915_WRITE(EDP_PSR2_CTL, val & ~EDP_PSR2_ENABLE);
+	} else {
+		val = I915_READ(EDP_PSR_CTL);
+		WARN_ON(!(val & EDP_PSR_ENABLE));
+		I915_WRITE(EDP_PSR_CTL, val & ~EDP_PSR_ENABLE);
+	}
+	dev_priv->psr.active = false;
+}
+
 static void
 intel_psr_disable_source(struct intel_dp *intel_dp)
 {
@@ -666,20 +685,14 @@ intel_psr_disable_source(struct intel_dp *intel_dp)
 		i915_reg_t psr_status;
 		u32 psr_status_mask;
 
+		intel_psr_exit(dev_priv);
+
 		if (dev_priv->psr.psr2_enabled) {
 			psr_status = EDP_PSR2_STATUS;
 			psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
-
-			I915_WRITE(EDP_PSR2_CTL,
-				   I915_READ(EDP_PSR2_CTL) &
-				   ~(EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE));
-
 		} else {
 			psr_status = EDP_PSR_STATUS;
 			psr_status_mask = EDP_PSR_STATUS_STATE_MASK;
-
-			I915_WRITE(EDP_PSR_CTL,
-				   I915_READ(EDP_PSR_CTL) & ~EDP_PSR_ENABLE);
 		}
 
 		/* Wait till PSR is idle */
@@ -687,8 +700,6 @@ intel_psr_disable_source(struct intel_dp *intel_dp)
 					    psr_status, psr_status_mask, 0,
 					    2000))
 			DRM_ERROR("Timed out waiting for PSR Idle State\n");
-
-		dev_priv->psr.active = false;
 	} else {
 		if (dev_priv->psr.psr2_enabled)
 			WARN_ON(I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE);
@@ -926,25 +937,6 @@ static void intel_psr_work(struct work_struct *work)
 	mutex_unlock(&dev_priv->psr.lock);
 }
 
-static void intel_psr_exit(struct drm_i915_private *dev_priv)
-{
-	u32 val;
-
-	if (!dev_priv->psr.active)
-		return;
-
-	if (dev_priv->psr.psr2_enabled) {
-		val = I915_READ(EDP_PSR2_CTL);
-		WARN_ON(!(val & EDP_PSR2_ENABLE));
-		I915_WRITE(EDP_PSR2_CTL, val & ~EDP_PSR2_ENABLE);
-	} else {
-		val = I915_READ(EDP_PSR_CTL);
-		WARN_ON(!(val & EDP_PSR_ENABLE));
-		I915_WRITE(EDP_PSR_CTL, val & ~EDP_PSR_ENABLE);
-	}
-	dev_priv->psr.active = false;
-}
-
 /**
  * intel_psr_invalidate - Invalidade PSR
  * @dev_priv: i915 device
-- 
2.19.1

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             reply	other threads:[~2018-10-26  1:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-26  1:17 José Roberto de Souza [this message]
2018-10-26  1:17 ` [PATCH v3 02/10] drm/i915/psr: Always wait for idle state when disabling PSR José Roberto de Souza
2018-10-26 16:45   ` Rodrigo Vivi
2018-10-26 17:10     ` Souza, Jose
2018-10-26  1:17 ` [PATCH v3 03/10] drm/i915/psr: Move intel_psr_disable_source() code to intel_psr_disable_locked() José Roberto de Souza
2018-10-26  1:17 ` [PATCH v3 04/10] drm/i915: Avoid a full port detection in the first eDP short pulse José Roberto de Souza
2018-10-26  1:17 ` [PATCH v3 05/10] drm/i915: Check PSR errors instead of retrain while PSR is enabled José Roberto de Souza
2018-10-26  1:17 ` [PATCH v3 06/10] drm/i915: Unmask PSR interruptions before assert IIR José Roberto de Souza
2018-10-26 17:06   ` Ville Syrjälä
2018-10-26  1:17 ` [PATCH v3 07/10] drm/i915/icl: Reset PSR interruptions José Roberto de Souza
2018-10-26 17:13   ` Ville Syrjälä
2018-10-26  1:17 ` [PATCH v3 08/10] drm/i915: Disable PSR when a PSR aux error happen José Roberto de Souza
2018-10-26  1:17 ` [PATCH v3 09/10] drm/i915: Keep PSR disabled after a driver reload after a PSR error José Roberto de Souza
2018-10-26 17:53   ` Souza, Jose
2018-10-26 18:01     ` Ville Syrjälä
2018-10-26 19:34       ` Souza, Jose
2018-10-29 11:18         ` Ville Syrjälä
2018-10-31 23:45   ` Dhinakaran Pandiyan
2018-11-06  0:00     ` Souza, Jose
2018-10-26  1:17 ` [PATCH v3 10/10] drm/i915: Do not enable PSR in the next modeset after a error José Roberto de Souza
2018-10-26  1:26 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [v3,01/10] drm/i915/psr: Use intel_psr_exit() in intel_psr_disable_source() Patchwork
2018-10-26  1:29 ` ✗ Fi.CI.SPARSE: " Patchwork
2018-10-26  1:47 ` ✗ Fi.CI.BAT: failure " Patchwork

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