drm/amd/display: Only keep cursor p-state force for FPO

[Description]
If transitioning from an FPO config -> FPO config, we want
to keep cursor P-State force disallowed. Any other transition
from FPO config -> non FPO config should unforce the cursor
P-State disallow
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@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/dcn32/dcn32_hwseq.c

@@ -591,6 +591,12 @@ void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
 						pipe->stream->fpo_in_use))) {
 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, false);
+		}
+
+		/* Today only FPO uses cursor P-State force. Only clear cursor P-State force
+		 * if it's not FPO.
+		 */
+		if (!pipe->stream || (pipe->stream && !pipe->stream->fpo_in_use)) {
 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
 		}