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Commit 6c483e3b authored by Satya Rama Aditya Pinapala's avatar Satya Rama Aditya Pinapala
Browse files

disp: msm: dsi: adding prefix for logs 



Adding debug, info and error prefix for log messages
in dsi files. To enable debug logs
run "echo 0x1 > /sys/module/drm/parameters/debug"

Change-Id: I438ac16954bd1d39450f8adeb7fb17f9ea6f8140
Signed-off-by: default avatarSatya Rama Aditya Pinapala <psraditya30@codeaurora.org>
parent 35882843

msm/dsi/dsi_catalog.c

+2 −3
Original line number Diff line number Diff line
@@ -3,7 +3,6 @@ 
 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 */



#define pr_fmt(fmt) "msm-dsi-catalog:[%s] " fmt, __func__

#include <linux/errno.h>



#include "dsi_catalog.h"
@@ -143,7 +142,7 @@ int dsi_catalog_ctrl_setup(struct dsi_ctrl_hw *ctrl, 


	if (version == DSI_CTRL_VERSION_UNKNOWN ||

	    version >= DSI_CTRL_VERSION_MAX) {

		pr_err("Unsupported version: %d\n", version);

		DSI_ERR("Unsupported version: %d\n", version);

		return -ENOTSUPP;

	}
@@ -283,7 +282,7 @@ int dsi_catalog_phy_setup(struct dsi_phy_hw *phy, 


	if (version == DSI_PHY_VERSION_UNKNOWN ||

	    version >= DSI_PHY_VERSION_MAX) {

		pr_err("Unsupported version: %d\n", version);

		DSI_ERR("Unsupported version: %d\n", version);

		return -ENOTSUPP;

	}

msm/dsi/dsi_clk_manager.c

+117 −115

File changed.

Preview size limit exceeded, changes collapsed.

msm/dsi/dsi_ctrl.c

+268 −253

File changed.

Preview size limit exceeded, changes collapsed.

msm/dsi/dsi_ctrl_hw.h

+5 −0
Original line number Diff line number Diff line
@@ -13,6 +13,11 @@ 


#include "dsi_defs.h"



#define DSI_CTRL_HW_DBG(c, fmt, ...)	DRM_DEV_DEBUG(NULL, "[msm-dsi-debug]: DSI_%d: "\

		fmt, c ? c->index : -1,	##__VA_ARGS__)

#define DSI_CTRL_HW_ERR(c, fmt, ...)	DRM_DEV_ERROR(NULL, "[msm-dsi-error]: DSI_%d: "\

		fmt, c ? c->index : -1,	##__VA_ARGS__)



/**

 * Modifier flag for command transmission. If this flag is set, command

 * information is programmed to hardware and transmission is not triggered.

msm/dsi/dsi_ctrl_hw_1_4.c

+15 −19
Original line number Diff line number Diff line
@@ -3,7 +3,6 @@ 
 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 */



#define pr_fmt(fmt) "dsi-hw:" fmt

#include <linux/delay.h>

#include <linux/iopoll.h>
@@ -25,7 +24,7 @@ void dsi_ctrl_hw_14_setup_lane_map(struct dsi_ctrl_hw *ctrl, 
{

	DSI_W32(ctrl, DSI_LANE_SWAP_CTRL, lane_map->lane_map_v1);



	pr_debug("[DSI_%d] Lane swap setup complete\n", ctrl->index);

	DSI_CTRL_HW_DBG(ctrl, "Lane swap setup complete\n");

}



/**
@@ -65,23 +64,23 @@ int dsi_ctrl_hw_14_wait_for_lane_idle(struct dsi_ctrl_hw *ctrl, u32 lanes) 
		fifo_empty_mask |= BIT(28);

	}



	pr_debug("%s: polling for fifo empty, mask=0x%08x\n", __func__,

	DSI_CTRL_HW_DBG(ctrl, "polling for fifo empty, mask=0x%08x\n",

			fifo_empty_mask);

	rc = readl_poll_timeout(ctrl->base + DSI_FIFO_STATUS, val,

			(val & fifo_empty_mask), sleep_us, timeout_us);

	if (rc) {

		pr_err("%s: fifo not empty, FIFO_STATUS=0x%08x\n",

				__func__, val);

		DSI_CTRL_HW_ERR(ctrl, "fifo not empty, FIFO_STATUS=0x%08x\n",

				val);

		goto error;

	}



	pr_debug("%s: polling for lanes to be in stop state, mask=0x%08x\n",

		__func__, stop_state_mask);

	DSI_CTRL_HW_DBG(ctrl, "polling for lanes to be in stop state, mask=0x%08x\n",

		stop_state_mask);

	rc = readl_poll_timeout(ctrl->base + DSI_LANE_STATUS, val,

			(val & stop_state_mask), sleep_us, timeout_us);

	if (rc) {

		pr_err("%s: lanes not in stop state, LANE_STATUS=0x%08x\n",

			__func__, val);

		DSI_CTRL_HW_ERR(ctrl, "lanes not in stop state, LANE_STATUS=0x%08x\n",

			val);

		goto error;

	}
@@ -123,8 +122,7 @@ void dsi_ctrl_hw_cmn_ulps_request(struct dsi_ctrl_hw *ctrl, u32 lanes) 
	DSI_W32(ctrl, DSI_LANE_CTRL, reg);

	usleep_range(100, 110);



	pr_debug("[DSI_%d] ULPS requested for lanes 0x%x\n", ctrl->index,

		 lanes);

	DSI_CTRL_HW_DBG(ctrl, "ULPS requested for lanes 0x%x\n", lanes);

}



/**
@@ -172,8 +170,7 @@ void dsi_ctrl_hw_cmn_ulps_exit(struct dsi_ctrl_hw *ctrl, u32 lanes) 
	DSI_W32(ctrl, DSI_LANE_CTRL, 0x0 | prev_reg);

	wmb(); /* ensure lanes are put to stop state */



	pr_debug("[DSI_%d] ULPS exit request for lanes=0x%x\n",

		 ctrl->index, lanes);

	DSI_CTRL_HW_DBG(ctrl, "ULPS exit request for lanes=0x%x\n", lanes);

}



/**
@@ -202,7 +199,7 @@ u32 dsi_ctrl_hw_cmn_get_lanes_in_ulps(struct dsi_ctrl_hw *ctrl) 
	if (!(reg & BIT(12)))

		lanes |= DSI_CLOCK_LANE;



	pr_debug("[DSI_%d] lanes in ulps = 0x%x\n", ctrl->index, lanes);

	DSI_CTRL_HW_DBG(ctrl, "lanes in ulps = 0x%x\n", lanes);

	return lanes;

}
@@ -261,8 +258,7 @@ void dsi_ctrl_hw_14_clamp_enable(struct dsi_ctrl_hw *ctrl, 
	reg |= (BIT(15) << bit_shift);	/* Enable clamp */

	DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);



	pr_debug("[DSI_%d] Clamps enabled for lanes=0x%x\n", ctrl->index,

		 lanes);

	DSI_CTRL_HW_DBG(ctrl, "Clamps enabled for lanes=0x%x\n", lanes);

}



/**
@@ -319,7 +315,7 @@ void dsi_ctrl_hw_14_clamp_disable(struct dsi_ctrl_hw *ctrl, 
	reg &= ~(clamp_reg);

	DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);



	pr_debug("[DSI_%d] Disable clamps for lanes=%d\n", ctrl->index, lanes);

	DSI_CTRL_HW_DBG(ctrl, "Disable clamps for lanes=%d\n", lanes);

}



#define DUMP_REG_VALUE(off) "\t%-30s: 0x%08x\n", #off, DSI_R32(ctrl, off)
@@ -474,6 +470,6 @@ ssize_t dsi_ctrl_hw_14_reg_dump_to_buffer(struct dsi_ctrl_hw *ctrl, 
	len += snprintf((buf + len), (size - len),

			DUMP_REG_VALUE(DSI_VERSION));



	pr_err("LLENGTH = %d\n", len);

	DSI_CTRL_HW_ERR(ctrl, "LLENGTH = %d\n", len);

	return len;

}