drm/amd/display: Refactor eDP PSR codes

We split out PSR config from "global" to "per-panel" config settings.
Tested-by: NMark Broadworth <mark.broadworth@amd.com>
Reviewed-by: NRobin Chen <robin.chen@amd.com>
Acked-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NIan Chen <ian.chen@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc.h

@@ -764,7 +764,6 @@ struct dc_debug_options {
 	bool disable_mem_low_power;
 	bool pstate_enabled;
 	bool disable_dmcu;
-	bool disable_psr;
 	bool force_abm_enable;
 	bool disable_stereo_support;
 	bool vsr_support;

drivers/gpu/drm/amd/display/dc/dc_link.h

@@ -117,7 +117,7 @@ struct psr_settings {
  * Add a struct dc_panel_config under dc_link
  */
 struct dc_panel_config {
-	// extra panel power sequence parameters
+	/* extra panel power sequence parameters */
 	struct pps {
 		unsigned int extra_t3_ms;
 		unsigned int extra_t7_ms;
@@ -127,13 +127,21 @@ struct dc_panel_config {
 		unsigned int extra_t12_ms;
 		unsigned int extra_post_OUI_ms;
 	} pps;
-	// ABM
+	/* PSR */
+	struct psr {
+		bool disable_psr;
+		bool disallow_psrsu;
+		bool rc_disable;
+		bool rc_allow_static_screen;
+		bool rc_allow_fullscreen_VPB;
+	} psr;
+	/* ABM */
 	struct varib {
 		unsigned int varibright_feature_enable;
 		unsigned int def_varibright_level;
 		unsigned int abm_config_setting;
 	} varib;
-	// edp DSC
+	/* edp DSC */
 	struct dsc {
 		bool disable_dsc_edp;
 		unsigned int force_dsc_edp_policy;

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c

@@ -671,12 +671,15 @@ static const struct dc_debug_options debug_defaults_diags = {
 		.disable_pplib_wm_range = true,
 		.disable_stutter = true,
 		.disable_48mhz_pwrdwn = true,
-		.disable_psr = true,
 		.enable_tri_buf = true,
 		.use_max_lb = true
 };
 
 static const struct dc_panel_config panel_config_defaults = {
+		.psr = {
+			.disable_psr = false,
+			.disallow_psrsu = false,
+		},
 		.ilr = {
 			.optimize_edp_link_rate = true,
 		},

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

@@ -723,7 +723,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.underflow_assert_delay_us = 0xFFFFFFFF,
 	.dwb_fi_phase = -1, // -1 = disable,
 	.dmub_command_table = true,
-	.disable_psr = false,
 	.use_max_lb = true,
 	.exit_idle_opt_for_cursor_updates = true
 };
@@ -742,11 +741,17 @@ static const struct dc_debug_options debug_defaults_diags = {
 	.scl_reset_length10 = true,
 	.dwb_fi_phase = -1, // -1 = disable
 	.dmub_command_table = true,
-	.disable_psr = true,
 	.enable_tri_buf = true,
 	.use_max_lb = true
 };
 
+static const struct dc_panel_config panel_config_defaults = {
+	.psr = {
+		.disable_psr = false,
+		.disallow_psrsu = false,
+	},
+};
+
 static void dcn30_dpp_destroy(struct dpp **dpp)
 {
 	kfree(TO_DCN20_DPP(*dpp));
@@ -2212,6 +2217,11 @@ void dcn30_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params
 	}
 }
 
+static void dcn30_get_panel_config_defaults(struct dc_panel_config *panel_config)
+{
+	*panel_config = panel_config_defaults;
+}
+
 static const struct resource_funcs dcn30_res_pool_funcs = {
 	.destroy = dcn30_destroy_resource_pool,
 	.link_enc_create = dcn30_link_encoder_create,
@@ -2231,6 +2241,7 @@ static const struct resource_funcs dcn30_res_pool_funcs = {
 	.release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
 	.update_bw_bounding_box = dcn30_update_bw_bounding_box,
 	.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
+	.get_panel_config_defaults = dcn30_get_panel_config_defaults,
 };
 
 #define CTX ctx

drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c

@@ -112,10 +112,16 @@ static const struct dc_debug_options debug_defaults_diags = {
 		.dwb_fi_phase = -1, // -1 = disable
 		.dmub_command_table = true,
 		.enable_tri_buf = true,
-		.disable_psr = true,
 		.use_max_lb = true
 };
 
+static const struct dc_panel_config panel_config_defaults = {
+		.psr = {
+			.disable_psr = false,
+			.disallow_psrsu = false,
+		},
+};
+
 enum dcn302_clk_src_array_id {
 	DCN302_CLK_SRC_PLL0,
 	DCN302_CLK_SRC_PLL1,
@@ -1132,6 +1138,11 @@ void dcn302_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
 	DC_FP_END();
 }
 
+static void dcn302_get_panel_config_defaults(struct dc_panel_config *panel_config)
+{
+	*panel_config = panel_config_defaults;
+}
+
 static struct resource_funcs dcn302_res_pool_funcs = {
 		.destroy = dcn302_destroy_resource_pool,
 		.link_enc_create = dcn302_link_encoder_create,
@@ -1151,6 +1162,7 @@ static struct resource_funcs dcn302_res_pool_funcs = {
 		.release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
 		.update_bw_bounding_box = dcn302_update_bw_bounding_box,
 		.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
+		.get_panel_config_defaults = dcn302_get_panel_config_defaults,
 };
 
 static struct dc_cap_funcs cap_funcs = {

drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c

@@ -96,7 +96,13 @@ static const struct dc_debug_options debug_defaults_diags = {
 		.dwb_fi_phase = -1, // -1 = disable
 		.dmub_command_table = true,
 		.enable_tri_buf = true,
-		.disable_psr = true,
+};
+
+static const struct dc_panel_config panel_config_defaults = {
+		.psr = {
+			.disable_psr = false,
+			.disallow_psrsu = false,
+		},
 };
 
 enum dcn303_clk_src_array_id {
@@ -1055,6 +1061,10 @@ static void dcn303_destroy_resource_pool(struct resource_pool **pool)
 	*pool = NULL;
 }
 
+static void dcn303_get_panel_config_defaults(struct dc_panel_config *panel_config)
+{
+	*panel_config = panel_config_defaults;
+}
 
 void dcn303_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params)
 {
@@ -1082,6 +1092,7 @@ static struct resource_funcs dcn303_res_pool_funcs = {
 		.release_post_bldn_3dlut = dcn30_release_post_bldn_3dlut,
 		.update_bw_bounding_box = dcn303_update_bw_bounding_box,
 		.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
+		.get_panel_config_defaults = dcn303_get_panel_config_defaults,
 };
 
 static struct dc_cap_funcs cap_funcs = {

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c

@@ -911,6 +911,10 @@ static const struct dc_debug_options debug_defaults_diags = {
 };
 
 static const struct dc_panel_config panel_config_defaults = {
+	.psr = {
+		.disable_psr = false,
+		.disallow_psrsu = false,
+	},
 	.ilr = {
 		.optimize_edp_link_rate = true,
 	},

drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c

@@ -937,6 +937,10 @@ static const struct dc_debug_options debug_defaults_diags = {
 };
 
 static const struct dc_panel_config panel_config_defaults = {
+	.psr = {
+		.disable_psr = false,
+		.disallow_psrsu = false,
+	},
 	.ilr = {
 		.optimize_edp_link_rate = true,
 	},

drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c

@@ -907,6 +907,10 @@ static const struct dc_debug_options debug_defaults_diags = {
 };
 
 static const struct dc_panel_config panel_config_defaults = {
+	.psr = {
+		.disable_psr = false,
+		.disallow_psrsu = false,
+	},
 	.ilr = {
 		.optimize_edp_link_rate = true,
 	},

drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c

@@ -906,6 +906,10 @@ static const struct dc_debug_options debug_defaults_diags = {
 };
 
 static const struct dc_panel_config panel_config_defaults = {
+	.psr = {
+		.disable_psr = false,
+		.disallow_psrsu = false,
+	},
 	.ilr = {
 		.optimize_edp_link_rate = true,
 	},

drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c

@@ -989,7 +989,7 @@ static enum dcn_zstate_support_state  decide_zstate_support(struct dc *dc, struc
 
 		if (context->bw_ctx.dml.vba.StutterPeriod > 5000.0 || optimized_min_dst_y_next_start_us > 5000)
 			return DCN_ZSTATE_SUPPORT_ALLOW;
-		else if (link->psr_settings.psr_version == DC_PSR_VERSION_1 && !dc->debug.disable_psr)
+		else if (link->psr_settings.psr_version == DC_PSR_VERSION_1 && !link->panel_config.psr.disable_psr)
 			return DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY;
 		else
 			return DCN_ZSTATE_SUPPORT_DISALLOW;