From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: mark.yao@rock-chips.com, airlied@linux.ie, heiko@sntech.de
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH v2] drm/rockchip: cdn-dp: Fix error handling
Date: Mon, 20 Feb 2017 08:08:15 +0100 [thread overview]
Message-ID: <20170220070815.23096-1-christophe.jaillet@wanadoo.fr> (raw)
It is likely that both 'clk_disable_unprepare()' should be called if
'pm_runtime_get_sync()' fails.
Add a new label for that, because 'err_set_rate' is not meaningful in this
case.
Add a missing call to 'pm_runtime_put()'.
Fixes: 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
V2: rename label
add missing call to 'pm_runtime_put_sync()' in error path
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 9ab67a670885..0fe1ec8b8fb1 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -111,7 +111,7 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
ret = pm_runtime_get_sync(dp->dev);
if (ret < 0) {
DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret);
- goto err_pclk;
+ goto err_pm_runtime_get;
}
reset_control_assert(dp->core_rst);
@@ -133,6 +133,8 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
return 0;
err_set_rate:
+ pm_runtime_put(dp->dev);
+err_pm_runtime_get:
clk_disable_unprepare(dp->core_clk);
err_core_clk:
clk_disable_unprepare(dp->pclk);
--
2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: mark.yao@rock-chips.com, airlied@linux.ie, heiko@sntech.de
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH v2] drm/rockchip: cdn-dp: Fix error handling
Date: Mon, 20 Feb 2017 07:08:15 +0000 [thread overview]
Message-ID: <20170220070815.23096-1-christophe.jaillet@wanadoo.fr> (raw)
It is likely that both 'clk_disable_unprepare()' should be called if
'pm_runtime_get_sync()' fails.
Add a new label for that, because 'err_set_rate' is not meaningful in this
case.
Add a missing call to 'pm_runtime_put()'.
Fixes: 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
V2: rename label
add missing call to 'pm_runtime_put_sync()' in error path
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 9ab67a670885..0fe1ec8b8fb1 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -111,7 +111,7 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
ret = pm_runtime_get_sync(dp->dev);
if (ret < 0) {
DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret);
- goto err_pclk;
+ goto err_pm_runtime_get;
}
reset_control_assert(dp->core_rst);
@@ -133,6 +133,8 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
return 0;
err_set_rate:
+ pm_runtime_put(dp->dev);
+err_pm_runtime_get:
clk_disable_unprepare(dp->core_clk);
err_core_clk:
clk_disable_unprepare(dp->pclk);
--
2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: christophe.jaillet@wanadoo.fr (Christophe JAILLET)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] drm/rockchip: cdn-dp: Fix error handling
Date: Mon, 20 Feb 2017 08:08:15 +0100 [thread overview]
Message-ID: <20170220070815.23096-1-christophe.jaillet@wanadoo.fr> (raw)
It is likely that both 'clk_disable_unprepare()' should be called if
'pm_runtime_get_sync()' fails.
Add a new label for that, because 'err_set_rate' is not meaningful in this
case.
Add a missing call to 'pm_runtime_put()'.
Fixes: 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
V2: rename label
add missing call to 'pm_runtime_put_sync()' in error path
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 9ab67a670885..0fe1ec8b8fb1 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -111,7 +111,7 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
ret = pm_runtime_get_sync(dp->dev);
if (ret < 0) {
DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret);
- goto err_pclk;
+ goto err_pm_runtime_get;
}
reset_control_assert(dp->core_rst);
@@ -133,6 +133,8 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
return 0;
err_set_rate:
+ pm_runtime_put(dp->dev);
+err_pm_runtime_get:
clk_disable_unprepare(dp->core_clk);
err_core_clk:
clk_disable_unprepare(dp->pclk);
--
2.9.3
next reply other threads:[~2017-02-20 7:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-20 7:08 Christophe JAILLET [this message]
2017-02-20 7:08 ` [PATCH v2] drm/rockchip: cdn-dp: Fix error handling Christophe JAILLET
2017-02-20 7:08 ` Christophe JAILLET
2017-02-20 7:34 ` Mark yao
2017-02-20 7:34 ` Mark yao
2017-02-20 7:34 ` Mark yao
2017-02-20 7:34 ` Mark yao
2017-02-23 16:48 ` Sean Paul
2017-02-23 16:48 ` Sean Paul
2017-02-23 16:48 ` Sean Paul
2017-02-23 16:48 ` Sean Paul
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