Re: [PATCH 1/2] drm/panfrost: missing remove opp table in case of failure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 11/04/2020 21:06, Clément Péron wrote:
In case of failure we need to remove OPP table.

Use Linux classic error handling with goto usage.

Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>

Reviewed-by: Steven Price <steven.price@xxxxxxx>

---
  drivers/gpu/drm/panfrost/panfrost_devfreq.c | 16 ++++++++++++----
  1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 413987038fbf..62541f4edd81 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -90,8 +90,11 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
  	cur_freq = clk_get_rate(pfdev->clock);
opp = devfreq_recommended_opp(dev, &cur_freq, 0);
-	if (IS_ERR(opp))
-		return PTR_ERR(opp);
+	if (IS_ERR(opp)) {
+		DRM_DEV_ERROR(dev, "Failed to set recommended OPP\n");
+		ret = PTR_ERR(opp);
+		goto err_opp;
+	}
panfrost_devfreq_profile.initial_freq = cur_freq;
  	dev_pm_opp_put(opp);
@@ -100,8 +103,8 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
  					  DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
  	if (IS_ERR(devfreq)) {
  		DRM_DEV_ERROR(dev, "Couldn't initialize GPU devfreq\n");
-		dev_pm_opp_of_remove_table(dev);
-		return PTR_ERR(devfreq);
+		ret = PTR_ERR(devfreq);
+		goto err_opp;
  	}
  	pfdev->devfreq.devfreq = devfreq;
@@ -112,6 +115,11 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
  		pfdev->devfreq.cooling = cooling;
return 0;
+
+err_opp:
+	dev_pm_opp_of_remove_table(dev);
+
+	return ret;
  }
void panfrost_devfreq_fini(struct panfrost_device *pfdev)


_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux