At Mon, 24 Jan 2011 15:55:28 +0000, Chris Wilson wrote:
Iterate over the attached CRTCs, encoders and connectors and call the supplied reset vfunc in order to reset any cached state back to unknown. Useful after an invalidation event such as a GPU reset or resuming.
Signed-off-by: Chris Wilson chris@chris-wilson.co.uk
drivers/gpu/drm/drm_crtc.c | 19 +++++++++++++++++++ include/drm/drm_crtc.h | 7 +++++++ 2 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 2baa670..6d7323d 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2674,3 +2674,22 @@ out: mutex_unlock(&dev->mode_config.mutex); return ret; }
+void drm_mode_config_reset(struct drm_device *dev) +{
- struct drm_crtc *crtc;
- struct drm_encoder *encoder;
- struct drm_connector *connector;
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
if (crtc->funcs->reset)crtc->funcs->reset(crtc);- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
if (encoder->funcs->reset)encoder->funcs->reset(encoder);- list_for_each_entry(connector, &dev->mode_config.connector_list, head)
if (connector->funcs->reset)connector->funcs->reset(connector);+}
Missing EXPORT_SYMBOL()?
thanks,
Takashi