anv: remove BDW specific WA for CS stall enable

This note is in BDW specs but not anymore in gfx9+ specs.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23543>

src/intel/vulkan/genX_cmd_buffer.c

@@ -1622,29 +1622,6 @@ genX(emit_apply_pipe_flushes)(struct anv_batch *batch,
             pipe.Address = device->workaround_address;
          }
 
-         /*
-          * According to the Broadwell documentation, any PIPE_CONTROL with the
-          * "Command Streamer Stall" bit set must also have another bit set,
-          * with five different options:
-          *
-          *  - Render Target Cache Flush
-          *  - Depth Cache Flush
-          *  - Stall at Pixel Scoreboard
-          *  - Post-Sync Operation
-          *  - Depth Stall
-          *  - DC Flush Enable
-          *
-          * I chose "Stall at Pixel Scoreboard" since that's what we use in
-          * mesa and it seems to work fine. The choice is fairly arbitrary.
-          */
-         if (pipe.CommandStreamerStallEnable &&
-             !pipe.RenderTargetCacheFlushEnable &&
-             !pipe.DepthCacheFlushEnable &&
-             !pipe.StallAtPixelScoreboard &&
-             !pipe.PostSyncOperation &&
-             !pipe.DepthStallEnable &&
-             !pipe.DCFlushEnable)
-            pipe.StallAtPixelScoreboard = true;
          anv_debug_dump_pc(pipe);
       }