On Tue, May 20, 2014 at 03:25:34PM -0700, Jesse Barnes wrote:
> In some cases, the callers of this function may not need the return
> value and delaying the uevent is ok. So add an async version of the
> function for use in those cases.
>
> Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_probe_helper.c | 8 ++++++++
> include/drm/drm_crtc_helper.h | 2 ++
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
> index 79f07f2..f3aee4a 100644
> --- a/drivers/gpu/drm/drm_probe_helper.c
> +++ b/drivers/gpu/drm/drm_probe_helper.c
> @@ -446,3 +446,11 @@ bool drm_helper_hpd_irq_event(struct drm_device *dev)
> return changed;
> }
> EXPORT_SYMBOL(drm_helper_hpd_irq_event);
> +
Kerneldoc is missing.
-Daniel
> +void drm_helper_hpd_irq_event_async(void *data, async_cookie_t cookie)
> +{
> + struct drm_device *dev = data;
> +
> + drm_helper_hpd_irq_event(dev);
> +}
> +EXPORT_SYMBOL(drm_helper_hpd_irq_event_async);
> diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
> index a3d75fe..4f4ed9c 100644
> --- a/include/drm/drm_crtc_helper.h
> +++ b/include/drm/drm_crtc_helper.h
> @@ -33,6 +33,7 @@
> #ifndef __DRM_CRTC_HELPER_H__
> #define __DRM_CRTC_HELPER_H__
>
> +#include <linux/async.h>
> #include <linux/spinlock.h>
> #include <linux/types.h>
> #include <linux/idr.h>
> @@ -172,6 +173,7 @@ extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector
> extern void drm_kms_helper_poll_init(struct drm_device *dev);
> extern void drm_kms_helper_poll_fini(struct drm_device *dev);
> extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
> +extern void drm_helper_hpd_irq_event_async(void *data, async_cookie_t cookie);
> extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
>
> extern void drm_kms_helper_poll_disable(struct drm_device *dev);
> --
> 1.8.4.2
>
> _______________________________________________
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> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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