[PATCH] drm: replace drm_modeset_lock_all() in drm_client_modeset_dpms_legacy()

[Daniel Vetter]

On Mon, Jan 25, 2021 at 08:48:15AM -0600, Joseph Schulte wrote:
> This patch helps complete Use  DRM_MODESET_LOCK_ALL* helpers instead of
> boilerplate todo in Documentation/gpu/todo.rst
> 
> Signed-off-by: Joseph Schulte <joeschulte.js at gmail.com>

Applied to drm-misc-next, thanks for your patch.
-Daniel

> ---
>  drivers/gpu/drm/drm_client_modeset.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
> index b7e9e1c2564c..ced09c7c06f9 100644
> --- a/drivers/gpu/drm/drm_client_modeset.c
> +++ b/drivers/gpu/drm/drm_client_modeset.c
> @@ -7,6 +7,7 @@
>   * Copyright (c) 2007 Dave Airlie <airlied at linux.ie>
>   */
>  
> +#include "drm/drm_modeset_lock.h"
>  #include <linux/module.h>
>  #include <linux/mutex.h>
>  #include <linux/slab.h>
> @@ -1181,9 +1182,11 @@ static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dp
>  	struct drm_device *dev = client->dev;
>  	struct drm_connector *connector;
>  	struct drm_mode_set *modeset;
> +	struct drm_modeset_acquire_ctx ctx;
>  	int j;
> +	int ret;
>  
> -	drm_modeset_lock_all(dev);
> +	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
>  	drm_client_for_each_modeset(modeset, client) {
>  		if (!modeset->crtc->enabled)
>  			continue;
> @@ -1195,7 +1198,7 @@ static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dp
>  				dev->mode_config.dpms_property, dpms_mode);
>  		}
>  	}
> -	drm_modeset_unlock_all(dev);
> +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
>  }
>  
>  /**
> -- 
> 2.30.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch