drm/amd/display: Add DCN3 MPC

Add support to program the DCN3 MPC (Multiple pipe and plane combine)

HW Blocks:

    +--------+
    |  MPC   |
    +--------+
        |
        v
    +-------+
    |  OPP  |
    +-------+
        |
        v
    +--------+
    |  OPTC  |
    +--------+
        |
        v
    +--------+       +--------+
    |  DIO   |       |  DCCG  |
    +--------+       +--------+

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -1370,6 +1370,43 @@ bool dc_commit_state(struct dc *dc, struct dc_state *context)
 	return (result == DC_OK);
 }
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+bool dc_acquire_release_mpc_3dlut(
+		struct dc *dc, bool acquire,
+		struct dc_stream_state *stream,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper)
+{
+	int pipe_idx;
+	bool ret = false;
+	bool found_pipe_idx = false;
+	const struct resource_pool *pool = dc->res_pool;
+	struct resource_context *res_ctx = &dc->current_state->res_ctx;
+	int mpcc_id = 0;
+
+	if (pool && res_ctx) {
+		if (acquire) {
+			/*find pipe idx for the given stream*/
+			for (pipe_idx = 0; pipe_idx < pool->pipe_count; pipe_idx++) {
+				if (res_ctx->pipe_ctx[pipe_idx].stream == stream) {
+					found_pipe_idx = true;
+					mpcc_id = res_ctx->pipe_ctx[pipe_idx].plane_res.hubp->inst;
+					break;
+				}
+			}
+		} else
+			found_pipe_idx = true;/*for release pipe_idx is not required*/
+
+		if (found_pipe_idx) {
+			if (acquire && pool->funcs->acquire_post_bldn_3dlut)
+				ret = pool->funcs->acquire_post_bldn_3dlut(res_ctx, pool, mpcc_id, lut, shaper);
+			else if (acquire == false && pool->funcs->release_post_bldn_3dlut)
+				ret = pool->funcs->release_post_bldn_3dlut(res_ctx, pool, lut, shaper);
+		}
+	}
+	return ret;
+}
+#endif
 static bool is_flip_pending_in_pipes(struct dc *dc, struct dc_state *context)
 {
 	int i;