[v4,10/20] drm/nouveau: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

Commit Message

Fernando Ramos Oct. 13, 2021, 8:48 p.m. UTC

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 <[e-mail]>
Reviewed-by: Sean Paul <[e-mail]>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index d7b9f7f8c9e3..86e18a844953 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -42,6 +42,7 @@ 
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_scdc_helper.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_drv.h>
 
 #include <nvif/push507c.h>
 
@@ -667,16 +668,18 @@  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 = &nv50_audio_component_ops;
 	acomp->dev = kdev;
 	drm->audio.component = acomp;
-	drm_modeset_unlock_all(drm_dev);
-	return 0;
+	DRM_MODESET_LOCK_ALL_END(drm_dev, ctx, ret);
+	return ret;
 }
 
 static void
@@ -686,12 +689,14 @@  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 = {