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Commit 4e962e95 authored by Noralf Trønnes's avatar Noralf Trønnes Committed by Gerrit - the friendly Code Review server
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drm/debugfs: Add internal client debugfs file 



Print the names of the internal clients currently attached.

Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarNoralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180703160354.59955-6-noralf@tronnes.org


Patch-mainline: 20180703160354.59955-6-noralf@tronnes.org @ 03/07/18, 04:03 p.m.

Change-Id: I59ab9d56a82ddd4c4727a74dc48d9a3c8a222ae9
Signed-off-by: default avatarShubham Talekar <stalek@codeaurora.org>
parent 46799a8f

drivers/gpu/drm/drm_client.c

+27 −0
Original line number Diff line number Diff line
@@ -382,3 +382,30 @@ void drm_client_framebuffer_delete(struct drm_client_buffer *buffer) 
	drm_client_buffer_delete(buffer);

}

EXPORT_SYMBOL(drm_client_framebuffer_delete);



#ifdef CONFIG_DEBUG_FS

static int drm_client_debugfs_internal_clients(struct seq_file *m, void *data)

{

	struct drm_info_node *node = m->private;

	struct drm_device *dev = node->minor->dev;

	struct drm_client_dev *client;



	mutex_lock(&dev->clientlist_mutex);

	list_for_each_entry(client, &dev->clientlist, list)

		seq_printf(m, "%s\n", client->name);

	mutex_unlock(&dev->clientlist_mutex);



	return 0;

}



static const struct drm_info_list drm_client_debugfs_list[] = {

	{ "internal_clients", drm_client_debugfs_internal_clients, 0 },

};



int drm_client_debugfs_init(struct drm_minor *minor)

{

	return drm_debugfs_create_files(drm_client_debugfs_list,

					ARRAY_SIZE(drm_client_debugfs_list),

					minor->debugfs_root, minor);

}

#endif

drivers/gpu/drm/drm_debugfs.c

+7 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <drm/drmP.h>

#include <drm/drm_edid.h>

#include "drm_internal.h"

#include <drm/drm_client.h>



#if defined(CONFIG_DEBUG_FS)
@@ -163,6 +164,12 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id, 
		return ret;

	}



	ret = drm_client_debugfs_init(minor);

	if (ret) {

		DRM_ERROR("Failed to create client debugfs file\n");

		return ret;

	}



	if (dev->driver->debugfs_init) {

		ret = dev->driver->debugfs_init(minor);

		if (ret) {

include/drm/drm_client.h

+3 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ struct drm_device; 
struct drm_file;

struct drm_framebuffer;

struct drm_gem_object;

struct drm_minor;

struct module;



/**
@@ -133,4 +134,6 @@ struct drm_client_buffer * 
drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format);

void drm_client_framebuffer_delete(struct drm_client_buffer *buffer);



int drm_client_debugfs_init(struct drm_minor *minor);



#endif