linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, Rob Clark <robdclark@chromium.org>,
	Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Kalyan Thota <kalyan_t@codeaurora.org>,
	Jordan Crouse <jcrouse@codeaurora.org>,
	Eric Anholt <eric@anholt.net>,
	Tanmay Shah <tanmay@codeaurora.org>,
	Drew Davenport <ddavenport@chromium.org>,
	Jeykumar Sankaran <jsanka@codeaurora.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	tongtiangen <tongtiangen@huawei.com>,
	Qinglang Miao <miaoqinglang@huawei.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Emil Velikov <emil.velikov@collabora.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	AngeloGioacchino Del Regno <kholk11@gmail.com>,
	Wambui Karuga <wambui.karugax@gmail.com>,
	Roy Spliet <nouveau@spliet.org>, Joerg Roedel <jroedel@suse.de>,
	freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM
	ADRENO GPU), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 2/3] drm/msm/kms: Update msm_kms_init/destroy
Date: Mon, 19 Oct 2020 14:10:52 -0700	[thread overview]
Message-ID: <20201019211101.143327-3-robdclark@gmail.com> (raw)
In-Reply-To: <20201019211101.143327-1-robdclark@gmail.com>

From: Rob Clark <robdclark@chromium.org>

Add msm_kms_destroy() and add err return from msm_kms_init().  Prep work
for next patch.

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c  |  8 +++++++-
 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c |  8 +++++++-
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 11 ++++++++---
 drivers/gpu/drm/msm/disp/mdp_kms.h       |  9 +++++++--
 drivers/gpu/drm/msm/msm_kms.h            |  8 +++++++-
 5 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index d93c44f6996d..b77d1a9ace2b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -718,6 +718,8 @@ static void dpu_kms_destroy(struct msm_kms *kms)
 	dpu_kms = to_dpu_kms(kms);
 
 	_dpu_kms_hw_destroy(dpu_kms);
+
+	msm_kms_destroy(&dpu_kms->base);
 }
 
 static void _dpu_kms_set_encoder_mode(struct msm_kms *kms,
@@ -1108,7 +1110,11 @@ static int dpu_bind(struct device *dev, struct device *master, void *data)
 
 	platform_set_drvdata(pdev, dpu_kms);
 
-	msm_kms_init(&dpu_kms->base, &kms_funcs);
+	ret = msm_kms_init(&dpu_kms->base, &kms_funcs);
+	if (ret) {
+		DPU_ERROR("failed to init kms, ret=%d\n", ret);
+		goto err;
+	}
 	dpu_kms->dev = ddev;
 	dpu_kms->pdev = pdev;
 
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index dbf8d429223e..3d729270bde1 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -175,6 +175,8 @@ static void mdp4_destroy(struct msm_kms *kms)
 	if (mdp4_kms->rpm_enabled)
 		pm_runtime_disable(dev);
 
+	mdp_kms_destroy(&mdp4_kms->base);
+
 	kfree(mdp4_kms);
 }
 
@@ -427,7 +429,11 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)
 		goto fail;
 	}
 
-	mdp_kms_init(&mdp4_kms->base, &kms_funcs);
+	ret = mdp_kms_init(&mdp4_kms->base, &kms_funcs);
+	if (ret) {
+		DRM_DEV_ERROR(dev->dev, "failed to init kms\n");
+		goto fail;
+	}
 
 	kms = &mdp4_kms->base.base;
 
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index e193865ce9a2..b3eecf869477 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -232,6 +232,8 @@ static void mdp5_kms_destroy(struct msm_kms *kms)
 		aspace->mmu->funcs->detach(aspace->mmu);
 		msm_gem_address_space_put(aspace);
 	}
+
+	mdp_kms_destroy(&mdp5_kms->base);
 }
 
 #ifdef CONFIG_DEBUG_FS
@@ -592,11 +594,14 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
 		return NULL;
 
 	mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
-
-	mdp_kms_init(&mdp5_kms->base, &kms_funcs);
-
 	pdev = mdp5_kms->pdev;
 
+	ret = mdp_kms_init(&mdp5_kms->base, &kms_funcs);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to init kms\n");
+		goto fail;
+	}
+
 	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
 	if (irq < 0) {
 		ret = irq;
diff --git a/drivers/gpu/drm/msm/disp/mdp_kms.h b/drivers/gpu/drm/msm/disp/mdp_kms.h
index 1535c5618491..b0286d5d5130 100644
--- a/drivers/gpu/drm/msm/disp/mdp_kms.h
+++ b/drivers/gpu/drm/msm/disp/mdp_kms.h
@@ -36,12 +36,17 @@ struct mdp_kms {
 };
 #define to_mdp_kms(x) container_of(x, struct mdp_kms, base)
 
-static inline void mdp_kms_init(struct mdp_kms *mdp_kms,
+static inline int mdp_kms_init(struct mdp_kms *mdp_kms,
 		const struct mdp_kms_funcs *funcs)
 {
 	mdp_kms->funcs = funcs;
 	INIT_LIST_HEAD(&mdp_kms->irq_list);
-	msm_kms_init(&mdp_kms->base, &funcs->base);
+	return msm_kms_init(&mdp_kms->base, &funcs->base);
+}
+
+static inline void mdp_kms_destroy(struct mdp_kms *mdp_kms)
+{
+	msm_kms_destroy(&mdp_kms->base);
 }
 
 /*
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 1cbef6b200b7..0be9e6487556 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -160,7 +160,7 @@ struct msm_kms {
 	struct msm_pending_timer pending_timers[MAX_CRTCS];
 };
 
-static inline void msm_kms_init(struct msm_kms *kms,
+static inline int msm_kms_init(struct msm_kms *kms,
 		const struct msm_kms_funcs *funcs)
 {
 	unsigned i;
@@ -170,6 +170,12 @@ static inline void msm_kms_init(struct msm_kms *kms,
 
 	for (i = 0; i < ARRAY_SIZE(kms->pending_timers); i++)
 		msm_atomic_init_pending_timer(&kms->pending_timers[i], kms, i);
+
+	return 0;
+}
+
+static inline void msm_kms_destroy(struct msm_kms *kms)
+{
 }
 
 struct msm_kms *mdp4_kms_init(struct drm_device *dev);
-- 
2.26.2


  parent reply	other threads:[~2020-10-19 21:10 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19 21:10 [PATCH 0/3] drm/msm: kthread_worker conversion Rob Clark
2020-10-19 21:10 ` [PATCH 1/3] drm/msm/gpu: Convert retire/recover work to kthread_worker Rob Clark
2020-10-19 21:10 ` Rob Clark [this message]
2020-10-19 21:10 ` [PATCH 3/3] drm/msm/atomic: Convert to per-CRTC kthread_work Rob Clark
2020-10-20  8:24 ` [PATCH 0/3] drm/msm: kthread_worker conversion Daniel Vetter
2020-10-20 14:00   ` Rob Clark
2020-10-20 14:29     ` Daniel Vetter
2020-10-20 15:08       ` Rob Clark
2020-10-20 17:02         ` Daniel Vetter
2020-10-20 17:23           ` Rob Clark
2020-10-20 18:14             ` Daniel Vetter
2020-10-20 20:26               ` Rob Clark
2020-10-21  8:26                 ` Daniel Vetter

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201019211101.143327-3-robdclark@gmail.com \
    --to=robdclark@gmail.com \
    --cc=airlied@linux.ie \
    --cc=daniel@ffwll.ch \
    --cc=ddavenport@chromium.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=emil.velikov@collabora.com \
    --cc=eric@anholt.net \
    --cc=freedreno@lists.freedesktop.org \
    --cc=jcrouse@codeaurora.org \
    --cc=jroedel@suse.de \
    --cc=jsanka@codeaurora.org \
    --cc=kalyan_t@codeaurora.org \
    --cc=kholk11@gmail.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=miaoqinglang@huawei.com \
    --cc=nouveau@spliet.org \
    --cc=rnayak@codeaurora.org \
    --cc=robdclark@chromium.org \
    --cc=sam@ravnborg.org \
    --cc=sean@poorly.run \
    --cc=tanmay@codeaurora.org \
    --cc=tongtiangen@huawei.com \
    --cc=tzimmermann@suse.de \
    --cc=wambui.karugax@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).