[Intel-gfx] [PATCH] drm: Restore planes after load detection

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Actually turn the planes back on after were done with
the load detection.

Fixes: 20bdc112bbe4 ("drm/i915: Disable all planes for load detection, v2.")
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3e7ab75e1b41..34e5a883e42e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9976,6 +9976,8 @@ int intel_get_load_detect_pipe(struct drm_connector *connector,
 	ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector));
 	if (!ret)
 		ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, crtc));
+	if (!ret)
+		ret = drm_atomic_add_affected_planes(restore_state, crtc);
 	if (ret) {
 		DRM_DEBUG_KMS("Failed to create a copy of old state to restore: %i\n", ret);
 		goto fail;
-- 
2.16.1