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-rw-r--r--rtl/gfx/gfx_fifo_overflow.sv34
1 files changed, 0 insertions, 34 deletions
diff --git a/rtl/gfx/gfx_fifo_overflow.sv b/rtl/gfx/gfx_fifo_overflow.sv
deleted file mode 100644
index c9cb3de..0000000
--- a/rtl/gfx/gfx_fifo_overflow.sv
+++ /dev/null
@@ -1,34 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_fifo_overflow
-#(parameter DEPTH=0)
-(
- input logic clk,
- rst_n,
-
- input logic down,
- out_ready,
- out_valid,
-
- output logic empty,
- down_safe
-);
-
- logic up;
- logic[$clog2(DEPTH + 1) - 1:0] pending;
-
- assign up = out_ready && out_valid;
- assign empty = pending == 0;
- assign down_safe = up || pending < DEPTH - 1;
-
- always_ff @(posedge clk or negedge rst_n)
- if (!rst_n)
- pending <= 0;
- else begin
- if (up && !down)
- pending <= pending - 1;
- else if (!up && down)
- pending <= pending + 1;
- end
-
-endmodule