disp: msm: sde: add support for noise layer

DPU has added support for noise injection into the layer stack. Change
adds support for noise layer programming and exposes the hardware block
to the user space modules.

Change-Id: Id176eea54fcdcd5d399457b14133a1ccde07299f

msm/sde/sde_crtc.h

@@ -418,6 +418,7 @@ struct sde_crtc {
 enum sde_crtc_dirty_flags {
 	SDE_CRTC_DIRTY_DEST_SCALER,
 	SDE_CRTC_DIRTY_DIM_LAYERS,
+	SDE_CRTC_NOISE_LAYER,
 	SDE_CRTC_DIRTY_MAX,
 };
 
@@ -450,6 +451,8 @@ enum sde_crtc_dirty_flags {
  * @ds_cfg: Destination scaler config
  * @scl3_lut_cfg: QSEED3 lut config
  * @new_perf: new performance state being requested
+ * @noise_layer_en: flag to indicate if noise layer cfg is valid
+ * @drm_msm_noise_layer_cfg: noise layer configuration
  */
 struct sde_crtc_state {
 	struct drm_crtc_state base;
@@ -479,6 +482,8 @@ struct sde_crtc_state {
 	struct sde_hw_scaler3_lut_cfg scl3_lut_cfg;
 
 	struct sde_core_perf_params new_perf;
+	bool noise_layer_en;
+	struct drm_msm_noise_layer_cfg layer_cfg;
 };
 
 enum sde_crtc_irq_state {