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Commit 79217384 authored by Ritesh Kumar's avatar Ritesh Kumar
Browse files

disp: msm: dsi: Logging Improvement in dsi driver 



This change adds additional logs in dsi driver for
easy debugging of issues related to command transfer.

Change-Id: Ica784bed6c360b2760d6606d625837e23a22410c
Signed-off-by: default avatarRitesh Kumar <riteshk@codeaurora.org>
parent 53322c29

msm/dsi/dsi_ctrl.c

+10 −4
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.

 */



#include <linux/of_device.h>
@@ -1565,7 +1565,7 @@ static int dsi_message_tx(struct dsi_ctrl *dsi_ctrl, 


	dsi_ctrl_validate_msg_flags(dsi_ctrl, msg, flags);



	SDE_EVT32(dsi_ctrl->cell_index, SDE_EVTLOG_FUNC_ENTRY, flags);

	SDE_EVT32(dsi_ctrl->cell_index, SDE_EVTLOG_FUNC_ENTRY, *flags, dsi_ctrl->cmd_len);



	if (dsi_ctrl->dma_wait_queued)

		dsi_ctrl_flush_cmd_dma_queue(dsi_ctrl);
@@ -2959,7 +2959,10 @@ void dsi_ctrl_enable_status_interrupt(struct dsi_ctrl *dsi_ctrl, 
			intr_idx >= DSI_STATUS_INTERRUPT_COUNT)

		return;



	SDE_EVT32(dsi_ctrl->cell_index, SDE_EVTLOG_FUNC_ENTRY, intr_idx);

	SDE_EVT32(dsi_ctrl->cell_index, intr_idx,

		dsi_ctrl->irq_info.irq_num, dsi_ctrl->irq_info.irq_stat_mask,

		dsi_ctrl->irq_info.irq_stat_refcount[intr_idx]);



	spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);



	if (dsi_ctrl->irq_info.irq_stat_refcount[intr_idx] == 0) {
@@ -2992,7 +2995,10 @@ void dsi_ctrl_disable_status_interrupt(struct dsi_ctrl *dsi_ctrl, 
	if (!dsi_ctrl || intr_idx >= DSI_STATUS_INTERRUPT_COUNT)

		return;



	SDE_EVT32_IRQ(dsi_ctrl->cell_index, SDE_EVTLOG_FUNC_ENTRY, intr_idx);

	SDE_EVT32_IRQ(dsi_ctrl->cell_index, intr_idx,

		dsi_ctrl->irq_info.irq_num, dsi_ctrl->irq_info.irq_stat_mask,

		dsi_ctrl->irq_info.irq_stat_refcount[intr_idx]);



	spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);



	if (dsi_ctrl->irq_info.irq_stat_refcount[intr_idx])

msm/dsi/dsi_ctrl_hw_cmn.c

+2 −0
Original line number Diff line number Diff line
@@ -760,6 +760,8 @@ void dsi_ctrl_hw_cmn_kickoff_command(struct dsi_ctrl_hw *ctrl, 


	if (!(flags & DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER))

		DSI_W32(ctrl, DSI_CMD_MODE_DMA_SW_TRIGGER, 0x1);



	SDE_EVT32(ctrl->index, cmd->length, flags);

}



/**

msm/dsi/dsi_display.c

+3 −0
Original line number Diff line number Diff line
@@ -1025,6 +1025,7 @@ int dsi_display_cmd_transfer(struct drm_connector *connector, 
		return -EINVAL;

	}



	SDE_EVT32(dsi_display->tx_cmd_buf_ndx, cmd_buf_len);

	DSI_DEBUG("[DSI] Display command transfer\n");



	if ((cmd_buf[1]) || (cmd_buf[3] & MIPI_DSI_MSG_LASTCOMMAND))
@@ -1149,6 +1150,8 @@ int dsi_display_cmd_receive(void *display, const char *cmd_buf, 
		return -EINVAL;

	}



	SDE_EVT32(cmd_buf_len, recv_buf_len);



	rc = dsi_display_cmd_prepare(cmd_buf, cmd_buf_len,

			&cmd, cmd_payload, MAX_CMD_PAYLOAD_SIZE);

	if (rc) {