On 9 August 2010 at 20:20, Tejun Heo <htejun@xxxxxxxxx> wrote:
> >From 9a919c46dfa48a9c1f465174609b90253eb8ffc1 Mon Sep 17 00:00:00 2001
> From: Tejun Heo <tj@xxxxxxxxxx>
> Date: Mon, 9 Aug 2010 12:01:27 +0200
>
> Commit 991ea75c (drm: use workqueue instead of slow-work), which made
> drm to use wq instead of slow-work, didn't account for the return
> value difference between delayed_slow_work_enqueue() and
> queue_delayed_work(). The former returns 0 on success and -errno on
> failures while the latter never fails and only uses the return value
> to indicate whether the work was already pending or not.
>
> This misconversion triggered spurious error messages. Remove the now
> unnecessary return value check and error message.
>
> Markus: caught another incorrect conversion in drm_kms_helper_poll_enable()
Acked-by: David Airlie <airlied@xxxxxxxx>
For queuing via your tree.
Thanks,
Dave.
>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
> Tested-by: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> Oops, you're right. So, this should do it.
>
> Thank you.
>
> drivers/gpu/drm/drm_crtc_helper.c | 16 ++++------------
> 1 files changed, 4 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
> index 4598130..b9e4dbf 100644
> --- a/drivers/gpu/drm/drm_crtc_helper.c
> +++ b/drivers/gpu/drm/drm_crtc_helper.c
> @@ -839,7 +839,6 @@ static void output_poll_execute(struct work_struct *work)
> struct drm_connector *connector;
> enum drm_connector_status old_status, status;
> bool repoll = false, changed = false;
> - int ret;
>
> mutex_lock(&dev->mode_config.mutex);
> list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> @@ -874,11 +873,8 @@ static void output_poll_execute(struct work_struct *work)
> dev->mode_config.funcs->output_poll_changed(dev);
> }
>
> - if (repoll) {
> - ret = queue_delayed_work(system_nrt_wq, delayed_work, DRM_OUTPUT_POLL_PERIOD);
> - if (ret)
> - DRM_ERROR("delayed enqueue failed %d\n", ret);
> - }
> + if (repoll)
> + queue_delayed_work(system_nrt_wq, delayed_work, DRM_OUTPUT_POLL_PERIOD);
> }
>
> void drm_kms_helper_poll_disable(struct drm_device *dev)
> @@ -893,18 +889,14 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
> {
> bool poll = false;
> struct drm_connector *connector;
> - int ret;
>
> list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> if (connector->polled)
> poll = true;
> }
>
> - if (poll) {
> - ret = queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, DRM_OUTPUT_POLL_PERIOD);
> - if (ret)
> - DRM_ERROR("delayed enqueue failed %d\n", ret);
> - }
> + if (poll)
> + queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, DRM_OUTPUT_POLL_PERIOD);
> }
> EXPORT_SYMBOL(drm_kms_helper_poll_enable);
>
> --
> 1.7.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
