From: Rob Clark robdclark@chromium.org
This will be used for non-block atomic commits.
Signed-off-by: Rob Clark robdclark@chromium.org --- drivers/gpu/drm/drm_crtc.c | 11 +++++++++++ include/drm/drm_crtc.h | 8 ++++++++ 2 files changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index aecdd7ea26dc..4f7c0bfce0a3 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -326,6 +326,14 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, config->prop_out_fence_ptr, 0); drm_object_attach_property(&crtc->base, config->prop_vrr_enabled, 0); + + crtc->worker = kthread_create_worker(0, "%s-worker", crtc->name); + if (IS_ERR(crtc->worker)) { + drm_mode_object_unregister(dev, &crtc->base); + ret = PTR_ERR(crtc->worker); + crtc->worker = NULL; + return ret; + } }
return 0; @@ -366,6 +374,9 @@ void drm_crtc_cleanup(struct drm_crtc *crtc)
kfree(crtc->name);
+ if (crtc->worker) + kthread_destroy_worker(crtc->worker); + memset(crtc, 0, sizeof(*crtc)); } EXPORT_SYMBOL(drm_crtc_cleanup); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 59b51a09cae6..dfdb04619b0d 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -30,6 +30,7 @@ #include <linux/types.h> #include <linux/fb.h> #include <linux/hdmi.h> +#include <linux/kthread.h> #include <linux/media-bus-format.h> #include <uapi/drm/drm_mode.h> #include <uapi/drm/drm_fourcc.h> @@ -1172,6 +1173,13 @@ struct drm_crtc { * Initialized via drm_self_refresh_helper_init(). */ struct drm_self_refresh_data *self_refresh_data; + + /** + * @worker: + * + * Per-CRTC worker for nonblock atomic commits. + */ + struct kthread_worker *worker; };
/**