drm/amd/display: For cursor P-State allow for SubVP

[Description]
- Similar to FPO, SubVP should also force cursor P-State
  allow instead of relying on natural assertion
- Implement code path to force and unforce cursor P-State
  allow for SubVP

Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@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>

Author: Alvin Lee

drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c

@@ -615,12 +615,6 @@ 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->fpo_in_use) {
 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
 		}
@@ -632,17 +626,10 @@ void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 		struct hubp *hubp = pipe->plane_res.hubp;
 
-		if (pipe->stream && pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
+		if (pipe->stream && (pipe->stream->mall_stream_config.type == SUBVP_MAIN ||
+				pipe->stream->fpo_in_use)) {
 			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
 				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
-		}
-
-		if (pipe->stream && pipe->stream->fpo_in_use) {
-			if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
-				hubp->funcs->hubp_update_force_pstate_disallow(hubp, true);
-			/* For now only force cursor p-state disallow for FPO
-			 * Needs to be added for subvp once FW side gets updated
-			 */
 			if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
 				hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, true);
 		}