drm/amd/display: Update PMFW z-state interface for DCN314

[Why]
Request from PMFW to change the messaging format to specify whether we
support z-state via individual bits.

[How]
Update the args we pass in the support message.

Fixes: d5c6909e ("drm/amd/display: Add DCN314 clock manager")
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_smu.c

@@ -339,29 +339,24 @@ void dcn314_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zs
 	if (!clk_mgr->smu_present)
 		return;
 
-	if (!clk_mgr->base.ctx->dc->debug.enable_z9_disable_interface &&
-			(support == DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY))
-		support = DCN_ZSTATE_SUPPORT_DISALLOW;
-
-
 	// Arg[15:0] = 8/9/0 for Z8/Z9/disallow -> existing bits
 	// Arg[16] = Disallow Z9 -> new bit
 	switch (support) {
 
 	case DCN_ZSTATE_SUPPORT_ALLOW:
 		msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
-		param = 9;
+		param = (1 << 10) | (1 << 9) | (1 << 8);
 		break;
 
 	case DCN_ZSTATE_SUPPORT_DISALLOW:
 		msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
-		param = 8;
+		param = 0;
 		break;
 
 
 	case DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY:
 		msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
-		param = 0x00010008;
+		param = (1 << 10);
 		break;
 
 	default: //DCN_ZSTATE_SUPPORT_UNKNOWN

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

@@ -881,7 +881,8 @@ static const struct dc_plane_cap plane_cap = {
 };
 
 static const struct dc_debug_options debug_defaults_drv = {
-	.disable_z10 = true, /*hw not support it*/
+	.disable_z10 = false,
+	.enable_z9_disable_interface = true,
 	.disable_dmcu = true,
 	.force_abm_enable = false,
 	.timing_trace = false,