diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
index 634569e983f1..350e7a620d45 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -509,30 +509,6 @@ bool dm_pp_get_static_clocks(
 	return true;
 }
 
-void pp_rv_set_display_requirement(struct pp_smu *pp,
-		struct pp_smu_display_requirement_rv *req)
-{
-	const struct dc_context *ctx = pp->dm;
-	struct amdgpu_device *adev = ctx->driver_context;
-	void *pp_handle = adev->powerplay.pp_handle;
-	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-	struct pp_display_clock_request clock = {0};
-
-	clock.clock_type = amd_pp_dcf_clock;
-	clock.clock_freq_in_khz = req->hard_min_dcefclk_mhz * 1000;
-	if (pp_funcs && pp_funcs->display_clock_voltage_request)
-		pp_funcs->display_clock_voltage_request(pp_handle, &clock);
-	else if (adev->smu.funcs && adev->smu.funcs->display_clock_voltage_request)
-		smu_display_clock_voltage_request(&adev->smu, &clock);
-
-	clock.clock_type = amd_pp_f_clock;
-	clock.clock_freq_in_khz = req->hard_min_fclk_mhz * 1000;
-	if (pp_funcs && pp_funcs->display_clock_voltage_request)
-		pp_funcs->display_clock_voltage_request(pp_handle, &clock);
-	else if (adev->smu.funcs && adev->smu.funcs->display_clock_voltage_request)
-		smu_display_clock_voltage_request(&adev->smu, &clock);
-}
-
 void pp_rv_set_wm_ranges(struct pp_smu *pp,
 		struct pp_smu_wm_range_sets *ranges)
 {
@@ -659,7 +635,6 @@ void dm_pp_get_funcs(
 		struct pp_smu_funcs *funcs)
 {
 	funcs->rv_funcs.pp_smu.dm = ctx;
-	funcs->rv_funcs.set_display_requirement = pp_rv_set_display_requirement;
 	funcs->rv_funcs.set_wm_ranges = pp_rv_set_wm_ranges;
 	funcs->rv_funcs.set_pme_wa_enable = pp_rv_set_pme_wa_enable;
 	funcs->rv_funcs.set_display_count = pp_rv_set_active_display_count;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c
index 2fb65d16205c..78b28c9b498b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c
@@ -43,23 +43,6 @@
 #define DC_LOGGER \
 	clk_mgr->ctx->logger
 
-void dcn1_pplib_apply_display_requirements(
-	struct dc *dc,
-	struct dc_state *context)
-{
-	struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg;
-
-	pp_display_cfg->min_engine_clock_khz = dc->res_pool->clk_mgr->clks.dcfclk_khz;
-	pp_display_cfg->min_memory_clock_khz = dc->res_pool->clk_mgr->clks.fclk_khz;
-	pp_display_cfg->min_engine_clock_deep_sleep_khz = dc->res_pool->clk_mgr->clks.dcfclk_deep_sleep_khz;
-	pp_display_cfg->min_dcfc_deep_sleep_clock_khz = dc->res_pool->clk_mgr->clks.dcfclk_deep_sleep_khz;
-	pp_display_cfg->min_dcfclock_khz = dc->res_pool->clk_mgr->clks.dcfclk_khz;
-	pp_display_cfg->disp_clk_khz = dc->res_pool->clk_mgr->clks.dispclk_khz;
-	dce110_fill_display_configs(context, pp_display_cfg);
-
-	dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg);
-}
-
 static int dcn1_determine_dppclk_threshold(struct clk_mgr *clk_mgr, struct dc_clocks *new_clocks)
 {
 	bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.h
index a995eda443a3..97007cf33665 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.h
@@ -34,10 +34,6 @@ struct clk_bypass {
 	uint32_t dprefclk_bypass;
 };
 
-void dcn1_pplib_apply_display_requirements(
-	struct dc *dc,
-	struct dc_state *context);
-
 struct clk_mgr *dcn1_clk_mgr_create(struct dc_context *ctx);
 
 #endif //__DCN10_CLK_MGR_H__
diff --git a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
index 96c49a0df4a6..cc6891b8ea69 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
@@ -139,12 +139,6 @@ struct pp_smu_funcs_rv {
 	/* PME w/a */
 	void (*set_pme_wa_enable)(struct pp_smu *pp);
 
-	/*
-	 * Legacy functions.  Used for backwards comp. with existing
-	 * PPlib code.
-	 */
-	void (*set_display_requirement)(struct pp_smu *pp,
-			struct pp_smu_display_requirement_rv *req);
 };
 
 struct pp_smu_funcs {