diff --git a/include/uapi/display/drm/msm_drm_pp.h b/include/uapi/display/drm/msm_drm_pp.h
index 2db4ed2eaa..1d410efcb1 100644
--- a/include/uapi/display/drm/msm_drm_pp.h
+++ b/include/uapi/display/drm/msm_drm_pp.h
@@ -593,6 +593,62 @@ struct drm_msm_spr_init_cfg {
 	int cfg17[SPR_INIT_PARAM_SIZE_4];
 };
 
+#define FEATURE_DEM
+#define CFG0_PARAM_LEN 8
+#define CFG1_PARAM_LEN 8
+#define CFG1_PARAM0_LEN 153
+#define CFG0_PARAM2_LEN 256
+#define CFG5_PARAM01_LEN 4
+#define CFG3_PARAM01_LEN 4
+
+struct drm_msm_dem_cfg {
+	__u64 flags;
+	__u32 pentile;
+	__u32 cfg0_en;
+	__u32 cfg0_param0_len;
+	__u32 cfg0_param0[CFG0_PARAM_LEN];
+	__u32 cfg0_param1_len;
+	__u32 cfg0_param1[CFG0_PARAM_LEN];
+	__u32 cfg0_param2_len;
+	__u64 cfg0_param2_c0[CFG0_PARAM2_LEN];
+	__u64 cfg0_param2_c1[CFG0_PARAM2_LEN];
+	__u64 cfg0_param2_c2[CFG0_PARAM2_LEN];
+	__u32 cfg0_param3_len;
+	__u32 cfg0_param3_c0[CFG0_PARAM_LEN];
+	__u32 cfg0_param3_c1[CFG0_PARAM_LEN];
+	__u32 cfg0_param3_c2[CFG0_PARAM_LEN];
+	__u32 cfg0_param4_len;
+	__u32 cfg0_param4[CFG0_PARAM_LEN];
+
+	__u32 cfg1_en;
+	__u32 cfg1_high_idx;
+	__u32 cfg1_low_idx;
+	__u32 cfg01_param0_len;
+	__u32 cfg01_param0[CFG1_PARAM_LEN];
+	__u32 cfg1_param0_len;
+	__u32 cfg1_param0_c0[CFG1_PARAM0_LEN];
+	__u32 cfg1_param0_c1[CFG1_PARAM0_LEN];
+	__u32 cfg1_param0_c2[CFG1_PARAM0_LEN];
+
+	__u32 cfg2_en;
+	__u32 cfg3_en;
+	__u32 cfg3_param0_len;
+	__u32 cfg3_param0_a[CFG3_PARAM01_LEN];
+	__u32 cfg3_param0_b[CFG3_PARAM01_LEN];
+	__u32 cfg3_ab_adj;
+	__u32 cfg4_en;
+	__u32 cfg5_en;
+	__u32 cfg5_param0_len;
+	__u32 cfg5_param0[CFG5_PARAM01_LEN];
+	__u32 cfg5_param1_len;
+	__u32 cfg5_param1[CFG5_PARAM01_LEN];
+
+	__u32 c0_depth;
+	__u32 c1_depth;
+	__u32 c2_depth;
+	__u32 src_id;
+};
+
 /**
  * struct drm_msm_ad4_manual_str_cfg - ad4 manual strength config set
  * by user-space client.
diff --git a/include/uapi/display/drm/sde_drm.h b/include/uapi/display/drm/sde_drm.h
index f9850594d6..62aac72ca6 100644
--- a/include/uapi/display/drm/sde_drm.h
+++ b/include/uapi/display/drm/sde_drm.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
- * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
  */
 
 #ifndef _SDE_DRM_H_
@@ -59,12 +59,14 @@ extern "C" {
  *                                  less than 0xff, apply modulation as well.
  * @SDE_DRM_BLEND_OP_MAX:           Used to track maximum blend operation
  *                                  possible by mdp.
+ * @SDE_DRM_BLEND_OP_SKIP:          Skip staging the layer in the layer mixer.
  */
 #define SDE_DRM_BLEND_OP_NOT_DEFINED    0
 #define SDE_DRM_BLEND_OP_OPAQUE         1
 #define SDE_DRM_BLEND_OP_PREMULTIPLIED  2
 #define SDE_DRM_BLEND_OP_COVERAGE       3
 #define SDE_DRM_BLEND_OP_MAX            4
+#define SDE_DRM_BLEND_OP_SKIP           5
 
 /**
  * Bit masks for "src_config" property