drm/amd/display: Enable RCO options for dcn35

[Why & How]
Enable root clock optimization options for dcn35
for power savings
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c

@@ -754,6 +754,7 @@ static const struct dccg_funcs dccg35_funcs = {
 	.disable_symclk32_se = dccg31_disable_symclk32_se,
 	.enable_symclk32_le = dccg31_enable_symclk32_le,
 	.disable_symclk32_le = dccg31_disable_symclk32_le,
+	.set_symclk32_le_root_clock_gating = dccg31_set_symclk32_le_root_clock_gating,
 	.set_physymclk = dccg35_set_physymclk,
 	.set_dtbclk_dto = dccg35_set_dtbclk_dto,
 	.set_audio_dtbclk_dto = dccg31_set_audio_dtbclk_dto,

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c

@@ -719,14 +719,14 @@ static const struct dc_debug_options debug_defaults_drv = {
 		.bits = {
 			.dpp = true,
 			.dsc = true,/*dscclk and dsc pg*/
-			.hdmistream = false,
-			.hdmichar = false,
-			.dpstream = false,
-			.symclk32_se = false,
-			.symclk32_le = false,
-			.symclk_fe = false,
-			.physymclk = false,
-			.dpiasymclk = false,
+			.hdmistream = true,
+			.hdmichar = true,
+			.dpstream = true,
+			.symclk32_se = true,
+			.symclk32_le = true,
+			.symclk_fe = true,
+			.physymclk = false, // Prevents eDP light up
+			.dpiasymclk = true,
 		}
 	},
 	.seamless_boot_odm_combine = DML_FAIL_SOURCE_PIXEL_FORMAT,