[Intel-gfx] [PATCH v2 10/17] drm/nouveau: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

Fernando Ramos
2021-09-24T06:51:18Z

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 <greenfoo@u92.eu>
Reviewed-by: Sean Paul <sean@poorly.run>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)

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 = {
--
2.33.0