linux-kernel - Re: [PATCH v2] drm/drm_file.c: Define drm_send_event

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Message-ID: <YIfVFqUtJ2UDucSJ@phenom.ffwll.local>
Date:   Tue, 27 Apr 2021 11:10:46 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     outreachy-kernel@...glegroups.com, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH v2] drm/drm_file.c: Define drm_send_event_helper() as
 'static'

On Mon, Apr 26, 2021 at 10:00:51PM +0200, Fabio M. De Francesco wrote:
> drm_send_event_helper() has not prototype, it has internal linkage and
> therefore it should be defined with storage class 'static'.
> 
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
> ---
> 
> Changes from v1: As suggested by Daniel Vetter, removed unnecessary
> kernel-doc comments.
> 
>  drivers/gpu/drm/drm_file.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
> index 7efbccffc2ea..a32e0d4f3604 100644
> --- a/drivers/gpu/drm/drm_file.c
> +++ b/drivers/gpu/drm/drm_file.c
> @@ -774,19 +774,15 @@ void drm_event_cancel_free(struct drm_device *dev,
>  }
>  EXPORT_SYMBOL(drm_event_cancel_free);
>  
> -/**
> +/*
>   * drm_send_event_helper - send DRM event to file descriptor
> - * @dev: DRM device
> - * @e: DRM event to deliver
> - * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
> - * time domain
>   *
> - * This helper function sends the event @e, initialized with
> + * This helper function sends the event e, initialized with

Sorry I wasn't clear, I don't think there's anything useful at all in this
comment, so best to entirely remove it. Not just the kerneldoc header. Can
you pls respin?
-Daniel

>   * drm_event_reserve_init(), to its associated userspace DRM file.
>   * The timestamp variant of dma_fence_signal is used when the caller
>   * sends a valid timestamp.
>   */
> -void drm_send_event_helper(struct drm_device *dev,
> +static void drm_send_event_helper(struct drm_device *dev,
>  			   struct drm_pending_event *e, ktime_t timestamp)
>  {
>  	assert_spin_locked(&dev->event_lock);
> -- 
> 2.31.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch