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From: Imre Deak <imre.deak@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Subject: [Intel-gfx] [PATCH 7/9] drm/i915: Rename power_domains.wakeref to init_wakeref
Date: Mon, 30 Nov 2020 23:21:58 +0200	[thread overview]
Message-ID: <20201130212200.2811939-8-imre.deak@intel.com> (raw)
In-Reply-To: <20201130212200.2811939-1-imre.deak@intel.com>

Rename power_domains.wakeref to power_domains.init_wakeref to make the
use of this reference clearer. The next patch adds tracking for another
power reference user of the power_domains functionality.

While at it add a missing zero wakeref assert when setting the wakeref.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 .../gpu/drm/i915/display/intel_display_power.c  | 17 +++++++++--------
 .../gpu/drm/i915/display/intel_display_power.h  |  2 +-
 drivers/gpu/drm/i915/i915_debugfs.c             |  2 +-
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index b48dbb7bdaf4..75e805d11dd9 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5658,7 +5658,8 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
 	 * resources powered until display HW readout is complete. We drop
 	 * this reference in intel_power_domains_enable().
 	 */
-	power_domains->wakeref =
+	drm_WARN_ON(&i915->drm, power_domains->init_wakeref);
+	power_domains->init_wakeref =
 		intel_display_power_get(i915, POWER_DOMAIN_INIT);
 
 	/* Disable power support if the user asked so. */
@@ -5683,7 +5684,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
 void intel_power_domains_driver_remove(struct drm_i915_private *i915)
 {
 	intel_wakeref_t wakeref __maybe_unused =
-		fetch_and_zero(&i915->power_domains.wakeref);
+		fetch_and_zero(&i915->power_domains.init_wakeref);
 
 	/* Remove the refcount we took to keep power well support disabled. */
 	if (!i915->params.disable_power_well)
@@ -5712,7 +5713,7 @@ void intel_power_domains_driver_remove(struct drm_i915_private *i915)
 void intel_power_domains_enable(struct drm_i915_private *i915)
 {
 	intel_wakeref_t wakeref __maybe_unused =
-		fetch_and_zero(&i915->power_domains.wakeref);
+		fetch_and_zero(&i915->power_domains.init_wakeref);
 
 	intel_display_power_put(i915, POWER_DOMAIN_INIT, wakeref);
 	intel_power_domains_verify_state(i915);
@@ -5729,8 +5730,8 @@ void intel_power_domains_disable(struct drm_i915_private *i915)
 {
 	struct i915_power_domains *power_domains = &i915->power_domains;
 
-	drm_WARN_ON(&i915->drm, power_domains->wakeref);
-	power_domains->wakeref =
+	drm_WARN_ON(&i915->drm, power_domains->init_wakeref);
+	power_domains->init_wakeref =
 		intel_display_power_get(i915, POWER_DOMAIN_INIT);
 
 	intel_power_domains_verify_state(i915);
@@ -5752,7 +5753,7 @@ void intel_power_domains_suspend(struct drm_i915_private *i915,
 {
 	struct i915_power_domains *power_domains = &i915->power_domains;
 	intel_wakeref_t wakeref __maybe_unused =
-		fetch_and_zero(&power_domains->wakeref);
+		fetch_and_zero(&power_domains->init_wakeref);
 
 	intel_display_power_put(i915, POWER_DOMAIN_INIT, wakeref);
 
@@ -5811,8 +5812,8 @@ void intel_power_domains_resume(struct drm_i915_private *i915)
 		intel_power_domains_init_hw(i915, true);
 		power_domains->display_core_suspended = false;
 	} else {
-		drm_WARN_ON(&i915->drm, power_domains->wakeref);
-		power_domains->wakeref =
+		drm_WARN_ON(&i915->drm, power_domains->init_wakeref);
+		power_domains->init_wakeref =
 			intel_display_power_get(i915, POWER_DOMAIN_INIT);
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index 64f4d57ff09b..05e924bd070a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -212,7 +212,7 @@ struct i915_power_domains {
 	bool display_core_suspended;
 	int power_well_count;
 
-	intel_wakeref_t wakeref;
+	intel_wakeref_t init_wakeref;
 
 	struct mutex lock;
 	int domain_use_count[POWER_DOMAIN_NUM];
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 263074c2c097..924b8f302c0f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1281,7 +1281,7 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused)
 		seq_puts(m, "Runtime power management not supported\n");
 
 	seq_printf(m, "Runtime power status: %s\n",
-		   enableddisabled(!dev_priv->power_domains.wakeref));
+		   enableddisabled(!dev_priv->power_domains.init_wakeref));
 
 	seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake));
 	seq_printf(m, "IRQs disabled: %s\n",
-- 
2.25.1

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  parent reply	other threads:[~2020-11-30 21:22 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-30 21:21 [Intel-gfx] [PATCH 0/9] drm/i915: Add the missing wakeref tracking for display power references Imre Deak
2020-11-30 21:21 ` [Intel-gfx] [PATCH 1/9] drm/i915: Use CRTC index consistently during getting/putting CRTC power domains Imre Deak
2020-11-30 21:50   ` Chris Wilson
2020-11-30 21:21 ` [Intel-gfx] [PATCH 2/9] drm/i915: Factor out helpers to get/put a set of tracked " Imre Deak
2020-11-30 21:48   ` Chris Wilson
2020-12-01 16:13   ` [Intel-gfx] [PATCH v2 " Imre Deak
2020-11-30 21:21 ` [Intel-gfx] [PATCH 3/9] drm/i915: Track power references taken for enabled CRTCs Imre Deak
2020-11-30 21:57   ` Chris Wilson
2020-11-30 21:21 ` [Intel-gfx] [PATCH 4/9] drm/i915/ddi: Track power reference taken for encoder DDI IO use Imre Deak
2020-11-30 22:00   ` Chris Wilson
2020-11-30 22:07     ` Imre Deak
2020-11-30 23:39       ` Imre Deak
2020-12-01 11:08         ` Chris Wilson
2020-11-30 21:21 ` [Intel-gfx] [PATCH 5/9] drm/i915/ddi: Track power reference taken for encoder main lane AUX use Imre Deak
2020-11-30 21:21 ` [Intel-gfx] [PATCH 6/9] drm/i915: Track power reference taken for eDP VDD Imre Deak
2020-11-30 21:21 ` Imre Deak [this message]
2020-11-30 22:01   ` [Intel-gfx] [PATCH 7/9] drm/i915: Rename power_domains.wakeref to init_wakeref Chris Wilson
2020-11-30 21:21 ` [Intel-gfx] [PATCH 8/9] drm/i915: Track power reference taken to disable power well functionality Imre Deak
2020-12-01 16:13   ` [Intel-gfx] [PATCH v2 " Imre Deak
2020-11-30 21:22 ` [Intel-gfx] [PATCH 9/9] drm/i915: Make intel_display_power_put_unchecked() an internal-only function Imre Deak
2020-11-30 22:07   ` Chris Wilson
2020-11-30 22:47     ` Imre Deak
2020-12-01  8:14       ` Chris Wilson
2020-12-01 10:52         ` Imre Deak
2020-12-01 11:13           ` Chris Wilson
2020-12-01 11:32             ` Imre Deak
2020-12-01  2:17 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Add the missing wakeref tracking for display power references Patchwork
2020-12-01  2:48 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-12-01 15:42 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-12-01 18:54 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Add the missing wakeref tracking for display power references (rev3) Patchwork
2020-12-01 19:25 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-12-02 15:33 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Add the missing wakeref tracking for display power references (rev4) Patchwork
2020-12-02 19:57 ` [Intel-gfx] ✓ Fi.CI.IGT: success " Patchwork
2020-12-03 10:44 ` [Intel-gfx] ✓ Fi.CI.IGT: success for drm/i915: Add the missing wakeref tracking for display power references (rev3) Patchwork
2020-12-03 13:41   ` Imre Deak

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