drm/amdgpu: enable trap of each kfd vmid for gfx v9.4.3

To setup ttmp on as default for gfx v9.4.3 in IP hw init.

Signed-off-by: Eric Huang <[email protected]>
Reviewed-by: Jonathan Kim <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: erichuang22

drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c

@@ -899,6 +899,7 @@ static void gfx_v9_4_3_xcc_init_compute_vmid(struct amdgpu_device *adev,
 	int i;
 	uint32_t sh_mem_config;
 	uint32_t sh_mem_bases;
+	uint32_t data;
 
 	/*
 	 * Configure apertures:
@@ -918,6 +919,11 @@ static void gfx_v9_4_3_xcc_init_compute_vmid(struct amdgpu_device *adev,
 		/* CP and shaders */
 		WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regSH_MEM_CONFIG, sh_mem_config);
 		WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regSH_MEM_BASES, sh_mem_bases);
+
+		/* Enable trap for each kfd vmid. */
+		data = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regSPI_GDBG_PER_VMID_CNTL);
+		data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);
+		WREG32_SOC15_RLC(GC, GET_INST(GC, xcc_id), regSPI_GDBG_PER_VMID_CNTL, data);
 	}
 	soc15_grbm_select(adev, 0, 0, 0, 0, GET_INST(GC, xcc_id));
 	mutex_unlock(&adev->srbm_mutex);