diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 7bc887ed9d74..de3603c3847d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -126,7 +126,6 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
 {
 	u32 bw, threshold;
 	u64 bw_sum_of_intfs = 0;
-	enum dpu_crtc_client_type curr_client_type;
 	bool is_video_mode;
 	struct dpu_crtc_state *dpu_cstate;
 	struct drm_crtc *tmp_crtc;
@@ -144,10 +143,6 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
 		return 0;
 	}
 
-	/* we only need bandwidth check on real-time clients (interfaces) */
-	if (dpu_crtc_get_client_type(crtc) == NRT_CLIENT)
-		return 0;
-
 	dpu_cstate = to_dpu_crtc_state(state);
 
 	/* obtain new values */
@@ -156,13 +151,9 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
 	for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC;
 			i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
 		bw_sum_of_intfs = dpu_cstate->new_perf.bw_ctl[i];
-		curr_client_type = dpu_crtc_get_client_type(crtc);
 
 		drm_for_each_crtc(tmp_crtc, crtc->dev) {
-			if (tmp_crtc->enabled &&
-			    (dpu_crtc_get_client_type(tmp_crtc) ==
-					    curr_client_type) &&
-			    (tmp_crtc != crtc)) {
+			if (tmp_crtc->enabled && (tmp_crtc != crtc)) {
 				struct dpu_crtc_state *tmp_cstate =
 					to_dpu_crtc_state(tmp_crtc->state);
 
@@ -211,16 +202,12 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
 		struct drm_crtc *crtc, u32 bus_id)
 {
 	struct dpu_core_perf_params perf = { { 0 } };
-	enum dpu_crtc_client_type curr_client_type
-					= dpu_crtc_get_client_type(crtc);
 	struct drm_crtc *tmp_crtc;
 	struct dpu_crtc_state *dpu_cstate;
 	int ret = 0;
 
 	drm_for_each_crtc(tmp_crtc, crtc->dev) {
-		if (tmp_crtc->enabled &&
-			curr_client_type ==
-				dpu_crtc_get_client_type(tmp_crtc)) {
+		if (tmp_crtc->enabled) {
 			dpu_cstate = to_dpu_crtc_state(tmp_crtc->state);
 
 			perf.max_per_pipe_ib[bus_id] =
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 890994106e39..ed8a21c0d4bb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -47,12 +47,6 @@
 #define LEFT_MIXER 0
 #define RIGHT_MIXER 1
 
-static inline int _dpu_crtc_get_mixer_width(struct dpu_crtc_state *cstate,
-					    struct drm_display_mode *mode)
-{
-	return mode->hdisplay / cstate->num_mixers;
-}
-
 static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc)
 {
 	struct msm_drm_private *priv = crtc->dev->dev_private;
@@ -493,7 +487,7 @@ static void _dpu_crtc_setup_lm_bounds(struct drm_crtc *crtc,
 {
 	struct dpu_crtc_state *cstate = to_dpu_crtc_state(state);
 	struct drm_display_mode *adj_mode = &state->adjusted_mode;
-	u32 crtc_split_width = _dpu_crtc_get_mixer_width(cstate, adj_mode);
+	u32 crtc_split_width = adj_mode->hdisplay / cstate->num_mixers;
 	int i;
 
 	for (i = 0; i < cstate->num_mixers; i++) {
@@ -1029,7 +1023,7 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
 
 	memset(pipe_staged, 0, sizeof(pipe_staged));
 
-	mixer_width = _dpu_crtc_get_mixer_width(cstate, mode);
+	mixer_width = mode->hdisplay / cstate->num_mixers;
 
 	_dpu_crtc_setup_lm_bounds(crtc, state);
 
@@ -1254,7 +1248,7 @@ static int dpu_crtc_debugfs_status_show(struct seq_file *s, void *data)
 
 	mutex_lock(&dpu_crtc->crtc_lock);
 	mode = &crtc->state->adjusted_mode;
-	out_width = _dpu_crtc_get_mixer_width(cstate, mode);
+	out_width = mode->hdisplay / cstate->num_mixers;
 
 	seq_printf(s, "crtc:%d width:%d height:%d\n", crtc->base.id,
 				mode->hdisplay, mode->vdisplay);
@@ -1355,7 +1349,7 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
 	struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
 	int i;
 
-	seq_printf(s, "client type: %d\n", dpu_crtc_get_client_type(crtc));
+	seq_puts(s, "client type: 0\n");
 	seq_printf(s, "intf_mode: %d\n", dpu_crtc_get_intf_mode(crtc));
 	seq_printf(s, "core_clk_rate: %llu\n",
 			dpu_crtc->cur_perf.core_clk_rate);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
index 90bb255fad3a..4dd6f65ab5e8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
@@ -30,18 +30,6 @@
 /* define the maximum number of in-flight frame events */
 #define DPU_CRTC_FRAME_EVENT_SIZE	4
 
-/**
- * enum dpu_crtc_client_type: crtc client type
- * @RT_CLIENT:	RealTime client like video/cmd mode display
- *              voting through apps rsc
- * @NRT_CLIENT:	Non-RealTime client like WB display
- *              voting through apps rsc
- */
-enum dpu_crtc_client_type {
-	RT_CLIENT,
-	NRT_CLIENT,
-};
-
 /**
  * enum dpu_crtc_smmu_state:	smmu state
  * @ATTACHED:	 all the context banks are attached.
@@ -235,16 +223,6 @@ struct dpu_crtc_state {
 #define to_dpu_crtc_state(x) \
 	container_of(x, struct dpu_crtc_state, base)
 
-/**
- * dpu_crtc_state_is_stereo - Is crtc virtualized with two mixers?
- * @cstate: Pointer to dpu crtc state
- * @Return: true - has two mixers, false - has one mixer
- */
-static inline bool dpu_crtc_state_is_stereo(struct dpu_crtc_state *cstate)
-{
-	return cstate->num_mixers == CRTC_DUAL_MIXERS;
-}
-
 /**
  * dpu_crtc_frame_pending - retun the number of pending frames
  * @crtc: Pointer to drm crtc object
@@ -301,14 +279,4 @@ int dpu_crtc_register_custom_event(struct dpu_kms *kms,
  */
 enum dpu_intf_mode dpu_crtc_get_intf_mode(struct drm_crtc *crtc);
 
-/**
- * dpu_crtc_get_client_type - check the crtc type- rt, nrt etc.
- * @crtc: Pointer to crtc
- */
-static inline enum dpu_crtc_client_type dpu_crtc_get_client_type(
-						struct drm_crtc *crtc)
-{
-	return crtc && crtc->state ? RT_CLIENT : NRT_CLIENT;
-}
-
 #endif /* _DPU_CRTC_H_ */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index 3a67bb9f9d9d..94286b623874 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -350,7 +350,7 @@ static inline enum dpu_3d_blend_mode dpu_encoder_helper_get_3d_blend_mode(
 	dpu_cstate = to_dpu_crtc_state(phys_enc->parent->crtc->state);
 
 	if (phys_enc->split_role == ENC_ROLE_SOLO &&
-	    dpu_crtc_state_is_stereo(dpu_cstate))
+	    (dpu_cstate->num_mixers == CRTC_DUAL_MIXERS))
 		return BLEND_3D_H_ROW_INT;
 
 	return BLEND_3D_NONE;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index b37a0992e326..99ab5ca9bed3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -44,14 +44,7 @@
 
 #define DPU_ENC_WR_PTR_START_TIMEOUT_US 20000
 
-static inline int _dpu_encoder_phys_cmd_get_idle_timeout(
-		struct dpu_encoder_phys_cmd *cmd_enc)
-{
-	return KICKOFF_TIMEOUT_MS;
-}
-
-static inline bool dpu_encoder_phys_cmd_is_master(
-		struct dpu_encoder_phys *phys_enc)
+static bool dpu_encoder_phys_cmd_is_master(struct dpu_encoder_phys *phys_enc)
 {
 	return (phys_enc->split_role != ENC_ROLE_SLAVE) ? true : false;
 }
@@ -723,7 +716,7 @@ static int dpu_encoder_phys_cmd_wait_for_vblank(
 
 	wait_info.wq = &cmd_enc->pending_vblank_wq;
 	wait_info.atomic_cnt = &cmd_enc->pending_vblank_cnt;
-	wait_info.timeout_ms = _dpu_encoder_phys_cmd_get_idle_timeout(cmd_enc);
+	wait_info.timeout_ms = KICKOFF_TIMEOUT_MS;
 
 	atomic_inc(&cmd_enc->pending_vblank_cnt);
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index dc060e7358e4..144358a3d0fb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -736,13 +736,4 @@ struct dpu_mdss_cfg *dpu_hw_catalog_init(u32 hw_rev);
  */
 void dpu_hw_catalog_deinit(struct dpu_mdss_cfg *dpu_cfg);
 
-/**
- * dpu_hw_sspp_multirect_enabled - check multirect enabled for the sspp
- * @cfg:          pointer to sspp cfg
- */
-static inline bool dpu_hw_sspp_multirect_enabled(const struct dpu_sspp_cfg *cfg)
-{
-	return test_bit(DPU_SSPP_SMART_DMA_V1, &cfg->features) ||
-			 test_bit(DPU_SSPP_SMART_DMA_V2, &cfg->features);
-}
 #endif /* _DPU_HW_CATALOG_H */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
index 3ebdf292d8f2..e9132bf5166b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
@@ -661,7 +661,8 @@ static void _setup_layer_ops(struct dpu_hw_pipe *c,
 		test_bit(DPU_SSPP_CSC_10BIT, &features))
 		c->ops.setup_csc = dpu_hw_sspp_setup_csc;
 
-	if (dpu_hw_sspp_multirect_enabled(c->cap))
+	if (test_bit(DPU_SSPP_SMART_DMA_V1, &c->cap->features) ||
+		test_bit(DPU_SSPP_SMART_DMA_V2, &c->cap->features))
 		c->ops.setup_multirect = dpu_hw_sspp_setup_multirect;
 
 	if (test_bit(DPU_SSPP_SCALER_QSEED3, &features)) {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 01be305758c5..ed5e0347e029 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -718,12 +718,6 @@ static const struct msm_kms_funcs kms_funcs = {
 #endif
 };
 
-/* the caller api needs to turn on clock before calling it */
-static inline void _dpu_kms_core_hw_rev_init(struct dpu_kms *dpu_kms)
-{
-	dpu_kms->core_rev = readl_relaxed(dpu_kms->mmio + 0x0);
-}
-
 static int _dpu_kms_mmu_destroy(struct dpu_kms *dpu_kms)
 {
 	struct msm_mmu *mmu;
@@ -879,7 +873,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 
 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
 
-	_dpu_kms_core_hw_rev_init(dpu_kms);
+	dpu_kms->core_rev = readl_relaxed(dpu_kms->mmio + 0x0);
 
 	pr_info("dpu hardware revision:0x%x\n", dpu_kms->core_rev);
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 3c5580c75581..bd20e3b6047b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -430,24 +430,14 @@ static void _dpu_plane_set_qos_remap(struct drm_plane *plane)
 	dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
 }
 
-/**
- * _dpu_plane_get_aspace: gets the address space
- */
-static inline struct msm_gem_address_space *_dpu_plane_get_aspace(
-		struct dpu_plane *pdpu)
-{
-	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
-
-	return kms->base.aspace;
-}
-
 static void _dpu_plane_set_scanout(struct drm_plane *plane,
 		struct dpu_plane_state *pstate,
 		struct dpu_hw_pipe_cfg *pipe_cfg,
 		struct drm_framebuffer *fb)
 {
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
-	struct msm_gem_address_space *aspace = _dpu_plane_get_aspace(pdpu);
+	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
+	struct msm_gem_address_space *aspace = kms->base.aspace;
 	int ret;
 
 	ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout);
@@ -801,7 +791,7 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane,
 	struct drm_gem_object *obj;
 	struct msm_gem_object *msm_obj;
 	struct dma_fence *fence;
-	struct msm_gem_address_space *aspace = _dpu_plane_get_aspace(pdpu);
+	struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
 	int ret;
 
 	if (!new_state->fb)
@@ -810,7 +800,7 @@ static int dpu_plane_prepare_fb(struct drm_plane *plane,
 	DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
 
 	/* cache aspace */
-	pstate->aspace = aspace;
+	pstate->aspace = kms->base.aspace;
 
 	/*
 	 * TODO: Need to sort out the msm_framebuffer_prepare() call below so
@@ -1021,7 +1011,7 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 
 	pstate->pending = true;
 
-	pdpu->is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
+	pdpu->is_rt_pipe = crtc ? true : false;
 	_dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
 
 	DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
