Re: [Intel-gfx] [PATCH 10/15] drm/nouveau: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

[Sean Paul]

On Thu, Sep 16, 2021 at 11:15:47PM +0200, Fernando Ramos wrote:
> As requested in Documentation/gpu/todo.rst, replace driver calls to
> drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
> DRM_MODESET_LOCK_ALL_END()
> 
> Signed-off-by: Fernando Ramos 
> ---
>  drivers/gpu/drm/nouveau/dispnv50/disp.c | 12 
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c 
> b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> index d7b9f7f8c9e3..eb613af4cdd5 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> @@ -667,15 +667,17 @@ nv50_audio_component_bind(struct device *kdev, struct 
> device *hda_kdev,
>   struct drm_device *drm_dev = dev_get_drvdata(kdev);
>   struct nouveau_drm *drm = nouveau_drm(drm_dev);
>   struct drm_audio_component *acomp = data;
> + struct drm_modeset_acquire_ctx ctx;
> + int ret;
>  
>   if (WARN_ON(!device_link_add(hda_kdev, kdev, DL_FLAG_STATELESS)))
>   return -ENOMEM;
>  
> - drm_modeset_lock_all(drm_dev);
> + DRM_MODESET_LOCK_ALL_BEGIN(drm_dev, ctx, 0, ret);
>   acomp->ops = _audio_component_ops;
>   acomp->dev = kdev;
>   drm->audio.component = acomp;
> - drm_modeset_unlock_all(drm_dev);
> + DRM_MODESET_LOCK_ALL_END(drm_dev, ctx, ret);
>   return 0;

Return ret here, with that fixed,

Reviewed-by: Sean Paul 


>  }
>  
> @@ -686,12 +688,14 @@ nv50_audio_component_unbind(struct device *kdev, struct 
> device *hda_kdev,
>   struct drm_device *drm_dev = dev_get_drvdata(kdev);
>   struct nouveau_drm *drm = nouveau_drm(drm_dev);
>   struct drm_audio_component *acomp = data;
> + struct drm_modeset_acquire_ctx ctx;
> + int ret;
>  
> - drm_modeset_lock_all(drm_dev);
> + DRM_MODESET_LOCK_ALL_BEGIN(drm_dev, ctx, 0, ret);
>   drm->audio.component = NULL;
>   acomp->ops = NULL;
>   acomp->dev = NULL;
> - drm_modeset_unlock_all(drm_dev);
> + DRM_MODESET_LOCK_ALL_END(drm_dev, ctx, ret);
>  }
>  
>  static const struct component_ops nv50_audio_component_bind_ops = {
> -- 
> 2.33.0
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS

[Intel-gfx] [PATCH 10/15] drm/nouveau: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

[Fernando Ramos]

As requested in Documentation/gpu/todo.rst, replace driver calls to
drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
DRM_MODESET_LOCK_ALL_END()

Signed-off-by: Fernando Ramos 
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 12 
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c 
b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index d7b9f7f8c9e3..eb613af4cdd5 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -667,15 +667,17 @@ nv50_audio_component_bind(struct device *kdev, struct 
device *hda_kdev,
struct drm_device *drm_dev = dev_get_drvdata(kdev);
struct nouveau_drm *drm = nouveau_drm(drm_dev);
struct drm_audio_component *acomp = data;
+   struct drm_modeset_acquire_ctx ctx;
+   int ret;
 
if (WARN_ON(!device_link_add(hda_kdev, kdev, DL_FLAG_STATELESS)))
return -ENOMEM;
 
-   drm_modeset_lock_all(drm_dev);
+   DRM_MODESET_LOCK_ALL_BEGIN(drm_dev, ctx, 0, ret);
acomp->ops = _audio_component_ops;
acomp->dev = kdev;
drm->audio.component = acomp;
-   drm_modeset_unlock_all(drm_dev);
+   DRM_MODESET_LOCK_ALL_END(drm_dev, ctx, ret);
return 0;
 }
 
@@ -686,12 +688,14 @@ nv50_audio_component_unbind(struct device *kdev, struct 
device *hda_kdev,
struct drm_device *drm_dev = dev_get_drvdata(kdev);
struct nouveau_drm *drm = nouveau_drm(drm_dev);
struct drm_audio_component *acomp = data;
+   struct drm_modeset_acquire_ctx ctx;
+   int ret;
 
-   drm_modeset_lock_all(drm_dev);
+   DRM_MODESET_LOCK_ALL_BEGIN(drm_dev, ctx, 0, ret);
drm->audio.component = NULL;
acomp->ops = NULL;
acomp->dev = NULL;
-   drm_modeset_unlock_all(drm_dev);
+   DRM_MODESET_LOCK_ALL_END(drm_dev, ctx, ret);
 }
 
 static const struct component_ops nv50_audio_component_bind_ops = {
-- 
2.33.0