drm/i915: Convert intel_dp to use atomic state

Slightly less straightforward. Some of the drrs calls are done from
workers or from intel_ddi.c, pass along crtc_state when we can,
or crtc->config when we can't.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470755054-32699-15-git-send-email-maarten.lankhorst@linux.intel.comReviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_ddi.c

@@ -1745,7 +1745,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder,
 
 		intel_edp_backlight_on(intel_dp);
 		intel_psr_enable(intel_dp);
-		intel_edp_drrs_enable(intel_dp);
+		intel_edp_drrs_enable(intel_dp, pipe_config);
 	}
 
 	if (intel_crtc->config->has_audio) {
@@ -1773,7 +1773,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder,
 	if (type == INTEL_OUTPUT_EDP) {
 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
-		intel_edp_drrs_disable(intel_dp);
+		intel_edp_drrs_disable(intel_dp, old_crtc_state);
 		intel_psr_disable(intel_dp);
 		intel_edp_backlight_off(intel_dp);
 	}

drivers/gpu/drm/i915/intel_drv.h

@@ -1409,8 +1409,10 @@ void intel_dp_hot_plug(struct intel_encoder *intel_encoder);
 void intel_power_sequencer_reset(struct drm_i915_private *dev_priv);
 uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes);
 void intel_plane_destroy(struct drm_plane *plane);
-void intel_edp_drrs_enable(struct intel_dp *intel_dp);
-void intel_edp_drrs_disable(struct intel_dp *intel_dp);
+void intel_edp_drrs_enable(struct intel_dp *intel_dp,
+			   struct intel_crtc_state *crtc_state);
+void intel_edp_drrs_disable(struct intel_dp *intel_dp,
+			   struct intel_crtc_state *crtc_state);
 void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
 			       unsigned int frontbuffer_bits);
 void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,