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Message-ID: <335b511f-ecfd-6e83-ef2e-7a74c8293b00@igalia.com>
Date: Thu, 10 Nov 2022 11:59:54 -0100
From: Melissa Wen <mwen@...lia.com>
To: Maíra Canal <mcanal@...lia.com>,
Emma Anholt <emma@...olt.net>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: André Almeida <andrealmeid@...lia.com>,
"Juan A . Suarez" <jasuarez@...lia.com>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] Balance mutex_init and mutex_destroy calls
On 11/8/22 16:54, Maíra Canal wrote:
> This series introduces some changes to assure the correct resource release on
> the V3D driver, especially the mutex. Currently, the V3D has no mutex_destroy()
> calls, which means that a mutex is being instantiated, but it is not being
> released by the end of its use.
>
> So, use the DRM-managed mutex_init variants when possible to manage the mutex
> release and add mutex_destroy() calls when not possible.
>
> Best Regards,
> - Maíra Canal
>
> v1 -> v2: https://lore.kernel.org/dri-devel/20221107224656.278135-1-mcanal@igalia.com/T/#m3c23e3f21fe6aaae51138c746c74e94b2a7b3bfc
>
> - Move mutex_destroy() to v3d_perfmon_put() (Daniel Vetter).
> - Add mutex_destroy() on error case in v3d_perfmon_create_ioctl() (Daniel Vetter).
> - Add Daniel Vetter's tags.
Applied to drm-misc-next.
Thanks,
Melissa
>
> Maíra Canal (2):
> drm/v3d: switch to drmm_mutex_init
> drm/v3d: add missing mutex_destroy
>
> drivers/gpu/drm/v3d/v3d_gem.c | 17 +++++++++++++----
> drivers/gpu/drm/v3d/v3d_perfmon.c | 6 +++++-
> 2 files changed, 18 insertions(+), 5 deletions(-)
>
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