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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 3/9] drm/i915: Track power references taken for enabled CRTCs
Date: Mon, 30 Nov 2020 23:21:54 +0200	[thread overview]
Message-ID: <20201130212200.2811939-4-imre.deak@intel.com> (raw)
In-Reply-To: <20201130212200.2811939-1-imre.deak@intel.com>

Add wakeref tracking for display power domain references taken for
enabled CRTCs.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  | 38 ++++++++-----------
 .../drm/i915/display/intel_display_types.h    |  2 +-
 2 files changed, 17 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index d80d15d96d4c..a6043197171b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7575,25 +7575,25 @@ modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state)
 	enum intel_display_power_domain domain;
 	u64 domains, new_domains, old_domains;
 
-	old_domains = crtc->enabled_power_domains;
-	crtc->enabled_power_domains = new_domains =
-		get_crtc_power_domains(crtc_state);
+	domains = get_crtc_power_domains(crtc_state);
 
-	domains = new_domains & ~old_domains;
+	new_domains = domains & ~crtc->enabled_power_domains.mask;
+	old_domains = crtc->enabled_power_domains.mask & ~domains;
 
-	for_each_power_domain(domain, domains)
-		intel_display_power_get(dev_priv, domain);
+	for_each_power_domain(domain, new_domains)
+		intel_display_power_get_in_set(dev_priv,
+					       &crtc->enabled_power_domains,
+					       domain);
 
-	return old_domains & ~new_domains;
+	return old_domains;
 }
 
-static void modeset_put_power_domains(struct drm_i915_private *dev_priv,
-				      u64 domains)
+static void modeset_put_crtc_power_domains(struct intel_crtc *crtc,
+					   u64 domains)
 {
-	enum intel_display_power_domain domain;
-
-	for_each_power_domain(domain, domains)
-		intel_display_power_put_unchecked(dev_priv, domain);
+	intel_display_power_put_mask_in_set(to_i915(crtc->base.dev),
+					    &crtc->enabled_power_domains,
+					    domains);
 }
 
 static void valleyview_crtc_enable(struct intel_atomic_state *state,
@@ -7789,12 +7789,10 @@ static void intel_crtc_disable_noatomic(struct intel_crtc *crtc,
 		to_intel_dbuf_state(dev_priv->dbuf.obj.state);
 	struct intel_crtc_state *crtc_state =
 		to_intel_crtc_state(crtc->base.state);
-	enum intel_display_power_domain domain;
 	struct intel_plane *plane;
 	struct drm_atomic_state *state;
 	struct intel_crtc_state *temp_crtc_state;
 	enum pipe pipe = crtc->pipe;
-	u64 domains;
 	int ret;
 
 	if (!crtc_state->hw.active)
@@ -7850,10 +7848,7 @@ static void intel_crtc_disable_noatomic(struct intel_crtc *crtc,
 	intel_update_watermarks(crtc);
 	intel_disable_shared_dpll(crtc_state);
 
-	domains = crtc->enabled_power_domains;
-	for_each_power_domain(domain, domains)
-		intel_display_power_put_unchecked(dev_priv, domain);
-	crtc->enabled_power_domains = 0;
+	intel_display_power_put_all_in_set(dev_priv, &crtc->enabled_power_domains);
 
 	dev_priv->active_pipes &= ~BIT(pipe);
 	cdclk_state->min_cdclk[pipe] = 0;
@@ -16342,8 +16337,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 		intel_post_plane_update(state, crtc);
 
-		if (put_domains[crtc->pipe])
-			modeset_put_power_domains(dev_priv, put_domains[crtc->pipe]);
+		modeset_put_crtc_power_domains(crtc, put_domains[crtc->pipe]);
 
 		intel_modeset_verify_crtc(crtc, state, old_crtc_state, new_crtc_state);
 
@@ -19554,7 +19548,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
 
 		put_domains = modeset_get_crtc_power_domains(crtc_state);
 		if (drm_WARN_ON(dev, put_domains))
-			modeset_put_power_domains(dev_priv, put_domains);
+			modeset_put_crtc_power_domains(crtc, put_domains);
 	}
 
 	intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index ce82d654d0f2..2dcda480b714 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1160,7 +1160,7 @@ struct intel_crtc {
 	/* I915_MODE_FLAG_* */
 	u8 mode_flags;
 
-	unsigned long long enabled_power_domains;
+	struct intel_display_power_domain_set enabled_power_domains;
 	struct intel_overlay *overlay;
 
 	struct intel_crtc_state *config;
-- 
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 ` Imre Deak [this message]
2020-11-30 21:57   ` [Intel-gfx] [PATCH 3/9] drm/i915: Track power references taken for enabled CRTCs 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 ` [Intel-gfx] [PATCH 7/9] drm/i915: Rename power_domains.wakeref to init_wakeref Imre Deak
2020-11-30 22:01   ` 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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