diff mbox

[1/4] drm/i915: Introduce intel_release_shared_dpll()

Message ID 1463756065-11082-1-git-send-email-ander.conselvan.de.oliveira@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ander Conselvan de Oliveira May 20, 2016, 2:54 p.m. UTC
While the details of getting a shared dpll are wrapped by
intel_get_shared_dpll(), the release was still hand rolled into the
modeset code. Fix that by creating an entry point for releasing the
pll and move that code there.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c  | 13 ++--------
 drivers/gpu/drm/i915/intel_dpll_mgr.c | 45 +++++++++++++++++------------------
 drivers/gpu/drm/i915/intel_dpll_mgr.h | 10 ++------
 3 files changed, 26 insertions(+), 42 deletions(-)

Comments

durgadoss.r@intel.com May 23, 2016, 6:37 a.m. UTC | #1
> -----Original Message-----

> From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf

> Of Ander Conselvan de Oliveira

> Sent: Friday, May 20, 2016 8:24 PM

> To: intel-gfx@lists.freedesktop.org

> Cc: Conselvan De Oliveira, Ander <ander.conselvan.de.oliveira@intel.com>

> Subject: [Intel-gfx] [PATCH 1/4] drm/i915: Introduce

> intel_release_shared_dpll()

> 

> While the details of getting a shared dpll are wrapped by

> intel_get_shared_dpll(), the release was still hand rolled into the

> modeset code. Fix that by creating an entry point for releasing the

> pll and move that code there.

> 


Reviewed-by: Durgadoss R <durgadoss.r@intel.com>


Thanks,
Durga

> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>

> ---

>  drivers/gpu/drm/i915/intel_display.c  | 13 ++--------

>  drivers/gpu/drm/i915/intel_dpll_mgr.c | 45 +++++++++++++++++------------

> ------

>  drivers/gpu/drm/i915/intel_dpll_mgr.h | 10 ++------

>  3 files changed, 26 insertions(+), 42 deletions(-)

> 

> diff --git a/drivers/gpu/drm/i915/intel_display.c

> b/drivers/gpu/drm/i915/intel_display.c

> index a500f08..fe9b00c 100644

> --- a/drivers/gpu/drm/i915/intel_display.c

> +++ b/drivers/gpu/drm/i915/intel_display.c

> @@ -12419,7 +12419,6 @@ static void intel_modeset_clear_plls(struct

> drm_atomic_state *state)

>  {

>  	struct drm_device *dev = state->dev;

>  	struct drm_i915_private *dev_priv = to_i915(dev);

> -	struct intel_shared_dpll_config *shared_dpll = NULL;

>  	struct drm_crtc *crtc;

>  	struct drm_crtc_state *crtc_state;

>  	int i;

> @@ -12429,21 +12428,13 @@ static void intel_modeset_clear_plls(struct

> drm_atomic_state *state)

> 

>  	for_each_crtc_in_state(state, crtc, crtc_state, i) {

>  		struct intel_crtc *intel_crtc = to_intel_crtc(crtc);

> -		struct intel_shared_dpll *old_dpll =

> -			to_intel_crtc_state(crtc->state)->shared_dpll;

> 

>  		if (!needs_modeset(crtc_state))

>  			continue;

> 

> +		intel_release_shared_dpll(intel_crtc,

> +					  to_intel_crtc_state(crtc_state));

>  		to_intel_crtc_state(crtc_state)->shared_dpll = NULL;

> -

> -		if (!old_dpll)

> -			continue;

> -

> -		if (!shared_dpll)

> -			shared_dpll =

> intel_atomic_get_shared_dpll_state(state);

> -

> -		intel_shared_dpll_config_put(shared_dpll, old_dpll,

> intel_crtc);

>  	}

>  }

> 

> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c

> b/drivers/gpu/drm/i915/intel_dpll_mgr.c

> index 0aac3ec..a3293cf 100644

> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c

> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c

> @@ -41,28 +41,6 @@ intel_get_shared_dpll_id(struct drm_i915_private

> *dev_priv,

>  	return (enum intel_dpll_id) (pll - dev_priv->shared_dplls);

>  }

> 

> -void

> -intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,

> -			     struct intel_shared_dpll *pll,

> -			     struct intel_crtc *crtc)

> -{

> -	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);

> -	enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);

> -

> -	config[id].crtc_mask |= 1 << crtc->pipe;

> -}

> -

> -void

> -intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,

> -			     struct intel_shared_dpll *pll,

> -			     struct intel_crtc *crtc)

> -{

> -	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);

> -	enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);

> -

> -	config[id].crtc_mask &= ~(1 << crtc->pipe);

> -}

> -

>  /* For ILK+ */

>  void assert_shared_dpll(struct drm_i915_private *dev_priv,

>  			struct intel_shared_dpll *pll,

> @@ -247,7 +225,7 @@ intel_reference_shared_dpll(struct intel_shared_dpll

> *pll,

>  	DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,

>  			 pipe_name(crtc->pipe));

> 

> -	intel_shared_dpll_config_get(shared_dpll, pll, crtc);

> +	shared_dpll[pll->id].crtc_mask |= 1 << crtc->pipe;

>  }

> 

>  void intel_shared_dpll_commit(struct drm_atomic_state *state)

> @@ -1784,3 +1762,24 @@ intel_get_shared_dpll(struct intel_crtc *crtc,

> 

>  	return dpll_mgr->get_dpll(crtc, crtc_state, encoder);

>  }

> +

> +/**

> + * intel_release_shared_dpll - releases a shared DPLL from a crtc atomic

> state

> + * @crtc: crtc

> + * @crtc_state: atomic stat for @crtc

> + *

> + */

> +void intel_release_shared_dpll(struct intel_crtc *crtc,

> +			       struct intel_crtc_state *crtc_state)

> +{

> +	struct intel_shared_dpll_config *shared_dpll_config;

> +	struct intel_shared_dpll *dpll = crtc_state->shared_dpll;

> +

> +	if (!dpll)

> +		return;

> +

> +	shared_dpll_config =

> +		intel_atomic_get_shared_dpll_state(crtc_state-

> >base.state);

> +

> +	shared_dpll_config[dpll->id].crtc_mask &= ~(1 << crtc->pipe);

> +}

> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.h

> b/drivers/gpu/drm/i915/intel_dpll_mgr.h

> index 89c5ada..b93eed8 100644

> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.h

> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.h

> @@ -138,14 +138,6 @@ intel_get_shared_dpll_by_id(struct

> drm_i915_private *dev_priv,

>  enum intel_dpll_id

>  intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,

>  			 struct intel_shared_dpll *pll);

> -void

> -intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,

> -			     struct intel_shared_dpll *pll,

> -			     struct intel_crtc *crtc);

> -void

> -intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,

> -			     struct intel_shared_dpll *pll,

> -			     struct intel_crtc *crtc);

>  void assert_shared_dpll(struct drm_i915_private *dev_priv,

>  			struct intel_shared_dpll *pll,

>  			bool state);

> @@ -154,6 +146,8 @@ void assert_shared_dpll(struct drm_i915_private

> *dev_priv,

>  struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,

>  						struct intel_crtc_state *state,

>  						struct intel_encoder

> *encoder);

> +void intel_release_shared_dpll(struct intel_crtc *crtc,

> +			       struct intel_crtc_state *crtc_state);

>  void intel_prepare_shared_dpll(struct intel_crtc *crtc);

>  void intel_enable_shared_dpll(struct intel_crtc *crtc);

>  void intel_disable_shared_dpll(struct intel_crtc *crtc);

> --

> 2.5.5

> 

> _______________________________________________

> Intel-gfx mailing list

> Intel-gfx@lists.freedesktop.org

> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a500f08..fe9b00c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12419,7 +12419,6 @@  static void intel_modeset_clear_plls(struct drm_atomic_state *state)
 {
 	struct drm_device *dev = state->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_shared_dpll_config *shared_dpll = NULL;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *crtc_state;
 	int i;
@@ -12429,21 +12428,13 @@  static void intel_modeset_clear_plls(struct drm_atomic_state *state)
 
 	for_each_crtc_in_state(state, crtc, crtc_state, i) {
 		struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-		struct intel_shared_dpll *old_dpll =
-			to_intel_crtc_state(crtc->state)->shared_dpll;
 
 		if (!needs_modeset(crtc_state))
 			continue;
 
+		intel_release_shared_dpll(intel_crtc,
+					  to_intel_crtc_state(crtc_state));
 		to_intel_crtc_state(crtc_state)->shared_dpll = NULL;
-
-		if (!old_dpll)
-			continue;
-
-		if (!shared_dpll)
-			shared_dpll = intel_atomic_get_shared_dpll_state(state);
-
-		intel_shared_dpll_config_put(shared_dpll, old_dpll, intel_crtc);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 0aac3ec..a3293cf 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -41,28 +41,6 @@  intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
 	return (enum intel_dpll_id) (pll - dev_priv->shared_dplls);
 }
 
-void
-intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
-			     struct intel_shared_dpll *pll,
-			     struct intel_crtc *crtc)
-{
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);
-
-	config[id].crtc_mask |= 1 << crtc->pipe;
-}
-
-void
-intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
-			     struct intel_shared_dpll *pll,
-			     struct intel_crtc *crtc)
-{
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);
-
-	config[id].crtc_mask &= ~(1 << crtc->pipe);
-}
-
 /* For ILK+ */
 void assert_shared_dpll(struct drm_i915_private *dev_priv,
 			struct intel_shared_dpll *pll,
@@ -247,7 +225,7 @@  intel_reference_shared_dpll(struct intel_shared_dpll *pll,
 	DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
 			 pipe_name(crtc->pipe));
 
-	intel_shared_dpll_config_get(shared_dpll, pll, crtc);
+	shared_dpll[pll->id].crtc_mask |= 1 << crtc->pipe;
 }
 
 void intel_shared_dpll_commit(struct drm_atomic_state *state)
@@ -1784,3 +1762,24 @@  intel_get_shared_dpll(struct intel_crtc *crtc,
 
 	return dpll_mgr->get_dpll(crtc, crtc_state, encoder);
 }
+
+/**
+ * intel_release_shared_dpll - releases a shared DPLL from a crtc atomic state
+ * @crtc: crtc
+ * @crtc_state: atomic stat for @crtc
+ *
+ */
+void intel_release_shared_dpll(struct intel_crtc *crtc,
+			       struct intel_crtc_state *crtc_state)
+{
+	struct intel_shared_dpll_config *shared_dpll_config;
+	struct intel_shared_dpll *dpll = crtc_state->shared_dpll;
+
+	if (!dpll)
+		return;
+
+	shared_dpll_config =
+		intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+
+	shared_dpll_config[dpll->id].crtc_mask &= ~(1 << crtc->pipe);
+}
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.h b/drivers/gpu/drm/i915/intel_dpll_mgr.h
index 89c5ada..b93eed8 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.h
@@ -138,14 +138,6 @@  intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv,
 enum intel_dpll_id
 intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
 			 struct intel_shared_dpll *pll);
-void
-intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
-			     struct intel_shared_dpll *pll,
-			     struct intel_crtc *crtc);
-void
-intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
-			     struct intel_shared_dpll *pll,
-			     struct intel_crtc *crtc);
 void assert_shared_dpll(struct drm_i915_private *dev_priv,
 			struct intel_shared_dpll *pll,
 			bool state);
@@ -154,6 +146,8 @@  void assert_shared_dpll(struct drm_i915_private *dev_priv,
 struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
 						struct intel_crtc_state *state,
 						struct intel_encoder *encoder);
+void intel_release_shared_dpll(struct intel_crtc *crtc,
+			       struct intel_crtc_state *crtc_state);
 void intel_prepare_shared_dpll(struct intel_crtc *crtc);
 void intel_enable_shared_dpll(struct intel_crtc *crtc);
 void intel_disable_shared_dpll(struct intel_crtc *crtc);