drm/bridge: ti-sn65dsi86: add debugfs (8efb243a) · Commits · 戴 / test

drivers/gpu/drm/bridge/ti-sn65dsi86.c

+42 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@
		*/

		#include <linux/clk.h>
		#include <linux/debugfs.h>
		#include <linux/gpio/consumer.h>
		#include <linux/i2c.h>
		#include <linux/iopoll.h>
		@@ -91,6 +92,7 @@ struct ti_sn_bridge {
		struct drm_dp_aux aux;
		struct drm_bridge bridge;
		struct drm_connector connector;
		struct dentry *debugfs;
		struct device_node *host_node;
		struct mipi_dsi_device *dsi;
		struct clk *refclk;
		@@ -156,6 +158,42 @@ static const struct dev_pm_ops ti_sn_bridge_pm_ops = {
		SET_RUNTIME_PM_OPS(ti_sn_bridge_suspend, ti_sn_bridge_resume, NULL)
		};

		static int status_show(struct seq_file s, void data)
		{
		struct ti_sn_bridge *pdata = s->private;
		unsigned int reg, val;

		seq_puts(s, "STATUS REGISTERS:\n");

		pm_runtime_get_sync(pdata->dev);

		/* IRQ Status Registers, see Table 31 in datasheet */
		for (reg = 0xf0; reg <= 0xf8; reg++) {
		regmap_read(pdata->regmap, reg, &val);
		seq_printf(s, "[0x%02x] = 0x%08x\n", reg, val);
		}

		pm_runtime_put(pdata->dev);

		return 0;
		}

		DEFINE_SHOW_ATTRIBUTE(status);

		static void ti_sn_debugfs_init(struct ti_sn_bridge *pdata)
		{
		pdata->debugfs = debugfs_create_dir("ti_sn65dsi86", NULL);

		debugfs_create_file("status", 0600, pdata->debugfs, pdata,
		&status_fops);
		}

		static void ti_sn_debugfs_remove(struct ti_sn_bridge *pdata)
		{
		debugfs_remove_recursive(pdata->debugfs);
		pdata->debugfs = NULL;
		}

		/* Connector funcs */
		static struct ti_sn_bridge *
		connector_to_ti_sn_bridge(struct drm_connector *connector)
		@@ -732,6 +770,8 @@ static int ti_sn_bridge_probe(struct i2c_client *client,

		drm_bridge_add(&pdata->bridge);

		ti_sn_debugfs_init(pdata);

		return 0;
		}

		@@ -742,6 +782,8 @@ static int ti_sn_bridge_remove(struct i2c_client *client)
		if (!pdata)
		return -EINVAL;

		ti_sn_debugfs_remove(pdata);

		of_node_put(pdata->host_node);

		pm_runtime_disable(pdata->dev);

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