drm/amd/display: add aux transition event log. (86a2da70) · Commits · 戴 / test

drivers/gpu/drm/amd/display/dc/dm_event_log.h

0 → 100644

+39 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2018 Advanced Micro Devices, Inc.
		*
		* Permission is hereby granted, free of charge, to any person obtaining a
		* copy of this software and associated documentation files (the "Software"),
		* to deal in the Software without restriction, including without limitation
		* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		* and/or sell copies of the Software, and to permit persons to whom the
		* Software is furnished to do so, subject to the following conditions:
		*
		* The above copyright notice and this permission notice shall be included in
		* all copies or substantial portions of the Software.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		* OTHER DEALINGS IN THE SOFTWARE.
		*
		* Authors: AMD
		*
		*/

		/**
		* This file defines external dependencies of Display Core.
		*/

		#ifndef __DM_EVENT_LOG_H__

		#define __DM_EVENT_LOG_H__

		#define EVENT_LOG_I2CAUX_READ(transType, dcc, address, status, len, data)
		#define EVENT_LOG_I2CAUX_WRITE(transType, dcc, address, status, len, data)
		#define EVENT_LOG_AUX_REQ(dcc, type, action, address, len, data)
		#define EVENT_LOG_AUX_Reply(dcc, type, swStatus, replyStatus, len, data)

		#endif

drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		*/

		#include "dm_services.h"
		#include "dm_event_log.h"

		/*
		* Pre-requisites: headers required by header of this unit
		@@ -296,6 +297,12 @@ static bool read_command(

		if (request->payload.address_space ==
		I2CAUX_TRANSACTION_ADDRESS_SPACE_DPCD) {
		EVENT_LOG_I2CAUX_READ(request->payload.address_space,
		engine->base.ddc->pin_data->en,
		request->payload.address,
		request->status,
		request->payload.length,
		request->payload.data);
		DC_LOG_I2C_AUX("READ: addr:0x%x value:0x%x Result:%d",
		request->payload.address,
		request->payload.data[0],
		@@ -512,6 +519,12 @@ static bool write_command(

		if (request->payload.address_space ==
		I2CAUX_TRANSACTION_ADDRESS_SPACE_DPCD) {
		EVENT_LOG_I2CAUX_WRITE(request->payload.address_space,
		engine->base.ddc->pin_data->en,
		request->payload.address,
		request->status,
		request->payload.length,
		request->payload.data);
		DC_LOG_I2C_AUX("WRITE: addr:0x%x value:0x%x Result:%d",
		request->payload.address,
		request->payload.data[0],

drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		*/

		#include "dm_services.h"
		#include "dm_event_log.h"

		/*
		* Pre-requisites: headers required by header of this unit
		@@ -273,6 +274,8 @@ static void submit_channel_request(
		REG_WAIT(AUX_SW_STATUS, AUX_SW_DONE, 0,
		10, aux110->timeout_period/10);
		REG_UPDATE(AUX_SW_CONTROL, AUX_SW_GO, 1);
		EVENT_LOG_AUX_REQ(engine->base.ddc->pin_data->en, Native, request->action,
		request->address, request->length, request->data);
		}

		static int read_channel_reply(struct aux_engine *engine, uint32_t size,
		@@ -337,6 +340,8 @@ static void process_channel_reply(

		bytes_replied = read_channel_reply(engine, reply->length, reply->data,
		&reply_result, &sw_status);
		EVENT_LOG_AUX_Reply(engine->base.ddc->pin_data->en, Native,
		sw_status, reply_result, bytes_replied, reply->data);

		/* in case HPD is LOW, exit AUX transaction */
		if ((sw_status & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) {

drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		*/

		#include "dm_services.h"
		#include "dm_event_log.h"

		/*
		* Pre-requisites: headers required by header of this unit
		@@ -170,6 +171,23 @@ bool dal_i2c_hw_engine_submit_request(
		process_channel_reply(&hw_engine->base, &reply);
		}

		if (i2caux_request->operation == I2CAUX_TRANSACTION_READ) {
		EVENT_LOG_I2CAUX_READ(i2caux_request->payload.address_space,
		engine->ddc->pin_data->en,
		i2caux_request->payload.address,
		i2caux_request->status,
		i2caux_request->payload.length,
		i2caux_request->payload.data);
		} else if (i2caux_request->operation == I2CAUX_TRANSACTION_WRITE) {
		EVENT_LOG_I2CAUX_WRITE(i2caux_request->payload.address_space,
		engine->ddc->pin_data->en,
		i2caux_request->payload.address,
		i2caux_request->status,
		i2caux_request->payload.length,
		i2caux_request->payload.data);
		}


		return result;
		}

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