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From: Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Archit Taneja <architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Daniel Vetter <daniel.vetter-/w4YWyX8dFk@public.gmane.org>,
	freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH] drm/msm/mdp5: don't use autosuspend
Date: Fri, 20 Oct 2017 08:17:43 -0400	[thread overview]
Message-ID: <20171020121847.20158-1-robdclark@gmail.com> (raw)

It's only likely to paper over bugs.  Unlike the gpu, where we want to
keep things alive a bit longer in expectation of the next frame's
submit, when the display is shut down we can power off immediately.

Signed-off-by: Rob Clark <robdclark@gmail.com>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c |  2 +-
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c        |  6 +++---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c     |  2 +-
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c         | 10 +++++-----
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c         |  6 +++---
 5 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c
index 60790df91bfa..1abc7f5c345c 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cmd_encoder.c
@@ -224,7 +224,7 @@ int mdp5_cmd_encoder_set_split_display(struct drm_encoder *encoder,
 	mdp5_write(mdp5_kms, REG_MDP5_SPLIT_DPL_LOWER,
 		   MDP5_SPLIT_DPL_LOWER_SMART_PANEL);
 	mdp5_write(mdp5_kms, REG_MDP5_SPLIT_DPL_EN, 1);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
index 0b6ace26d622..6aa3a688d9a4 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
@@ -429,7 +429,7 @@ static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc,
 		mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->pp_done);
 
 	mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->err);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	mdp5_crtc->enabled = false;
 }
@@ -821,7 +821,7 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
 	crtc_flush(crtc, flush_mask);
 
 end:
-	pm_runtime_put_autosuspend(&pdev->dev);
+	pm_runtime_put_sync(&pdev->dev);
 	if (old_bo) {
 		drm_flip_work_queue(&mdp5_crtc->unref_cursor_work, old_bo);
 		/* enable vblank to complete cursor work: */
@@ -867,7 +867,7 @@ static int mdp5_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 
 	crtc_flush(crtc, flush_mask);
 
-	pm_runtime_put_autosuspend(&mdp5_kms->pdev->dev);
+	pm_runtime_put_sync(&mdp5_kms->pdev->dev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
index 5b851380d3f2..36ad3cbe5f79 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
@@ -384,7 +384,7 @@ int mdp5_vid_encoder_set_split_display(struct drm_encoder *encoder,
 
 	mdp5_ctl_pair(mdp5_encoder->ctl, mdp5_slave_enc->ctl, true);
 
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
index bb5deb00c899..280e368bc9bb 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
@@ -54,7 +54,7 @@ void mdp5_irq_preinstall(struct msm_kms *kms)
 	pm_runtime_get_sync(dev);
 	mdp5_write(mdp5_kms, REG_MDP5_INTR_CLEAR, 0xffffffff);
 	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 }
 
 int mdp5_irq_postinstall(struct msm_kms *kms)
@@ -72,7 +72,7 @@ int mdp5_irq_postinstall(struct msm_kms *kms)
 
 	pm_runtime_get_sync(dev);
 	mdp_irq_register(mdp_kms, error_handler);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	return 0;
 }
@@ -84,7 +84,7 @@ void mdp5_irq_uninstall(struct msm_kms *kms)
 
 	pm_runtime_get_sync(dev);
 	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 }
 
 irqreturn_t mdp5_irq(struct msm_kms *kms)
@@ -119,7 +119,7 @@ int mdp5_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
 	pm_runtime_get_sync(dev);
 	mdp_update_vblank_mask(to_mdp_kms(kms),
 			mdp5_crtc_vblank(crtc), true);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	return 0;
 }
@@ -132,5 +132,5 @@ void mdp5_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
 	pm_runtime_get_sync(dev);
 	mdp_update_vblank_mask(to_mdp_kms(kms),
 			mdp5_crtc_vblank(crtc), false);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 }
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index c664eb1d47dc..ca8f20206b6c 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -125,7 +125,7 @@ static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *s
 	if (mdp5_kms->smp)
 		mdp5_smp_complete_commit(mdp5_kms->smp, &mdp5_kms->state->smp);
 
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 }
 
 static void mdp5_wait_for_crtc_commit_done(struct msm_kms *kms,
@@ -496,7 +496,7 @@ static void read_mdp_hw_revision(struct mdp5_kms *mdp5_kms,
 
 	pm_runtime_get_sync(dev);
 	version = mdp5_read(mdp5_kms, REG_MDP5_HW_VERSION);
-	pm_runtime_put_autosuspend(dev);
+	pm_runtime_put_sync(dev);
 
 	*major = FIELD(version, MDP5_HW_VERSION_MAJOR);
 	*minor = FIELD(version, MDP5_HW_VERSION_MINOR);
@@ -683,7 +683,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
 		aspace = NULL;;
 	}
 
-	pm_runtime_put_autosuspend(&pdev->dev);
+	pm_runtime_put_sync(&pdev->dev);
 
 	ret = modeset_init(mdp5_kms);
 	if (ret) {
-- 
2.13.6

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             reply	other threads:[~2017-10-20 12:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-20 12:17 Rob Clark [this message]
2017-10-20 13:11 ` [PATCH] drm/msm/mdp5: don't use autosuspend Archit Taneja

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