[Intel-gfx] [PATCH 04/13] drm: Drop locking cargo-cult from drm_mode_config_init

Sean Paul seanpaul at chromium.org
Fri Dec 16 15:03:00 UTC 2016


On Tue, Dec 13, 2016 at 6:08 PM, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> This is single-threaded setup code, no need for locks. And anyway,
> all properties need to be set up before the driver is registered
> anyway, they can't be hot-added.
>


Reviewed-by: Sean Paul <seanpaul at chromium.org>

> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/drm_mode_config.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
> index b1e8bbceaf39..85a25fd9eff8 100644
> --- a/drivers/gpu/drm/drm_mode_config.c
> +++ b/drivers/gpu/drm/drm_mode_config.c
> @@ -374,9 +374,7 @@ void drm_mode_config_init(struct drm_device *dev)
>         idr_init(&dev->mode_config.tile_idr);
>         ida_init(&dev->mode_config.connector_ida);
>
> -       drm_modeset_lock_all(dev);
>         drm_mode_create_standard_properties(dev);
> -       drm_modeset_unlock_all(dev);
>
>         /* Just to be sure */
>         dev->mode_config.num_fb = 0;
> --
> 2.11.0
>
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> Intel-gfx at lists.freedesktop.org
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-- 
Sean Paul, Software Engineer, Google / Chromium OS


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