drm/i915: Move disable_cxsr to the crtc_state.

intel_crtc->atomic will be removed later on, move this member
to intel_crtc_state.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447945645-32005-2-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 643f342..96e3fa9 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -95,6 +95,7 @@
 
 	crtc_state->update_pipe = false;
 	crtc_state->disable_lp_wm = false;
+	crtc_state->disable_cxsr = false;
 
 	return &crtc_state->base;
 }