dev-amdgpu: Handle ring buffer wrap for PM4 queue

Change-Id: I27bc274327838add709423b072d437c4e727a714
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/65431
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>

src/dev/amdgpu/pm4_packet_processor.hh

@@ -171,6 +171,7 @@ class PM4PacketProcessor : public DmaVirtDevice
     void setHqdPqRptrReportAddrHi(uint32_t data);
     void setHqdPqWptrPollAddr(uint32_t data);
     void setHqdPqWptrPollAddrHi(uint32_t data);
+    void setHqdPqControl(uint32_t data);
     void setHqdIbCtrl(uint32_t data);
     void setRbVmid(uint32_t data);
     void setRbCntl(uint32_t data);