Daniel, this is patch you were looking for earlier wrt to screen blanking.

On Tue, 16 Nov 2010 11:10:46 +0800, keithp@keithp.com wrote:

From: Keith Packard keithp@keithp.com

When setting a new crtc configuration, force the DPMS state of all connectors to ON. Otherwise, they'll be left at OFF and a future mode set that disables the specified connector will not turn the connector off.

Signed-off-by: Keith Packard keithp@keithp.com

Reviewed-by: Chris Wilson chris@chris-wilson.co.uk

---

drivers/gpu/drm/drm_crtc_helper.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index dcbeb98..7804c3d 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -471,6 +471,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) int count = 0, ro, fail = 0; struct drm_crtc_helper_funcs *crtc_funcs; int ret = 0;

• int i;

  DRM_DEBUG_KMS("\n");

@@ -666,6 +667,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) if (ret != 0) goto fail; }

• DRM_DEBUG_KMS("Setting connector DPMS state to on\n");

• for (i = 0; i < set->num_connectors; i++) {

• DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id,
  

• 	      drm_get_connector_name(set->connectors[i]));
  

• set->connectors[i]->dpms = DRM_MODE_DPMS_ON;
  

• }

  kfree(save_connectors); kfree(save_encoders);

-- 1.7.2.3