On Thu, Sep 16, 2021 at 11:15:38PM +0200, Fernando Ramos wrote: > As requested in Documentation/gpu/todo.rst, replace the boilerplate code > surrounding drm_modeset_lock_all_ctx() with DRM_MODESET_LOCK_ALL_BEGIN() > and DRM_MODESET_LOCK_ALL_END() > Hi Fernando, Thank you for your patch. Could you please fix the subject, changing dmr to drm? > Signed-off-by: Fernando Ramos <greenfoo@xxxxxx> > --- > drivers/gpu/drm/drm_client_modeset.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c > index ced09c7c06f9..5f5184f071ed 100644 > --- a/drivers/gpu/drm/drm_client_modeset.c > +++ b/drivers/gpu/drm/drm_client_modeset.c > @@ -574,6 +574,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > int num_connectors_detected = 0; > int num_tiled_conns = 0; > struct drm_modeset_acquire_ctx ctx; > + int err; I think you can just reuse 'ret' instead of creating a new variable. That ensures if the lock fails we return the error from the macros. Sean > > if (!drm_drv_uses_atomic_modeset(dev)) > return false; > @@ -585,10 +586,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > if (!save_enabled) > return false; > > - drm_modeset_acquire_init(&ctx, 0); > - > - while (drm_modeset_lock_all_ctx(dev, &ctx) != 0) > - drm_modeset_backoff(&ctx); > + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, err); > > memcpy(save_enabled, enabled, count); > mask = GENMASK(count - 1, 0); > @@ -743,8 +741,7 @@ static bool drm_client_firmware_config(struct drm_client_dev *client, > ret = false; > } > > - drm_modeset_drop_locks(&ctx); > - drm_modeset_acquire_fini(&ctx); > + DRM_MODESET_LOCK_ALL_END(dev, ctx, err); > > kfree(save_enabled); > return ret; > -- > 2.33.0 > -- Sean Paul, Software Engineer, Google / Chromium OS
