habanalabs/gaudi: move coresight mmu config

We must relocate the coresight mmu configuration to the coresight
flow to make it work in case the first submission is to configure
the profiler.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

Author: ofirbitt

drivers/misc/habanalabs/gaudi/gaudi.c

@@ -4742,7 +4742,7 @@ static void gaudi_write_pte(struct hl_device *hdev, u64 addr, u64 val)
 			(addr - gaudi->hbm_bar_cur_addr));
 }
 
-static void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid)
+void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid)
 {
 	/* mask to zero the MMBP and ASID bits */
 	WREG32_AND(reg, ~0x7FF);
@@ -4910,9 +4910,6 @@ static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid)
 	gaudi_mmu_prepare_reg(hdev, mmMME2_ACC_WBC, asid);
 	gaudi_mmu_prepare_reg(hdev, mmMME3_ACC_WBC, asid);
 
-	gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_ARUSER, asid);
-	gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_AWUSER, asid);
-
 	hdev->asic_funcs->set_clock_gating(hdev);
 
 	mutex_unlock(&gaudi->clk_gate_mutex);

drivers/misc/habanalabs/gaudi/gaudiP.h

@@ -271,5 +271,6 @@ void gaudi_set_pll_profile(struct hl_device *hdev, enum hl_pll_frequency freq);
 int gaudi_debug_coresight(struct hl_device *hdev, void *data);
 void gaudi_halt_coresight(struct hl_device *hdev);
 int gaudi_get_clk_rate(struct hl_device *hdev, u32 *cur_clk, u32 *max_clk);
+void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid);
 
 #endif /* GAUDIP_H_ */

drivers/misc/habanalabs/gaudi/gaudi_coresight.c

@@ -623,6 +623,11 @@ static int gaudi_config_etr(struct hl_device *hdev,
 			return -EINVAL;
 		}
 
+		gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_ARUSER,
+						hdev->compute_ctx->asid);
+		gaudi_mmu_prepare_reg(hdev, mmPSOC_GLOBAL_CONF_TRACE_AWUSER,
+						hdev->compute_ctx->asid);
+
 		msb = upper_32_bits(input->buffer_address) >> 8;
 		msb &= PSOC_GLOBAL_CONF_TRACE_ADDR_MSB_MASK;
 		WREG32(mmPSOC_GLOBAL_CONF_TRACE_ADDR, msb);