From: Steven Price <steven.price@arm.com>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
dri-devel@lists.freedesktop.org, alyssa@rosenzweig.io,
tomeu.vizoso@collabora.com, robh@kernel.org
Cc: airlied@linux.ie, linux-rockchip@lists.infradead.org,
robin.murphy@arm.com, linux-kernel@vger.kernel.org,
linux-amlogic@lists.infradead.org
Subject: Re: [PATCH RFT v1 2/3] drm/panfrost: call dev_pm_opp_of_remove_table() in all error-paths
Date: Thu, 9 Jan 2020 11:31:50 +0000 [thread overview]
Message-ID: <394ef595-198a-3cd1-968e-2182098da92a@arm.com> (raw)
In-Reply-To: <20200107230626.885451-3-martin.blumenstingl@googlemail.com>
On 07/01/2020 23:06, Martin Blumenstingl wrote:
> If devfreq_recommended_opp() fails we need to undo
> dev_pm_opp_of_add_table() by calling dev_pm_opp_of_remove_table() (just
> like we do it in the other error-path below).
>
> Fixes: f3ba91228e8e91 ("drm/panfrost: Add initial panfrost driver")
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Steven Price <steven.price@arm.com>
> ---
> drivers/gpu/drm/panfrost/panfrost_devfreq.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> index 1471588763ce..170f6c8c9651 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
> @@ -93,8 +93,10 @@ 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))
> + if (IS_ERR(opp)) {
> + dev_pm_opp_of_remove_table(dev);
> return PTR_ERR(opp);
> + }
>
> panfrost_devfreq_profile.initial_freq = cur_freq;
> dev_pm_opp_put(opp);
>
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next prev parent reply other threads:[~2020-01-09 11:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-07 23:06 [PATCH RFT v1 0/3] devfreq fixes for panfrost Martin Blumenstingl
2020-01-07 23:06 ` [PATCH RFT v1 1/3] drm/panfrost: enable devfreq based the "operating-points-v2" property Martin Blumenstingl
2020-01-08 11:18 ` Robin Murphy
2020-01-08 12:38 ` Martin Blumenstingl
2020-01-08 14:20 ` Robin Murphy
2020-01-07 23:06 ` [PATCH RFT v1 2/3] drm/panfrost: call dev_pm_opp_of_remove_table() in all error-paths Martin Blumenstingl
2020-01-09 11:31 ` Steven Price [this message]
2020-01-07 23:06 ` [PATCH RFT v1 3/3] drm/panfrost: Use the mali-supply regulator for control again Martin Blumenstingl
2020-01-09 11:31 ` Steven Price
2020-01-09 17:27 ` Martin Blumenstingl
2020-01-13 17:10 ` Steven Price
2020-01-14 20:21 ` Martin Blumenstingl
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