diff mbox

[v2,09/12] drm/debugfs: Add internal client debugfs file

Message ID 20180618141739.48151-10-noralf@tronnes.org (mailing list archive)
State New, archived
Headers show

Commit Message

Noralf Trønnes June 18, 2018, 2:17 p.m. UTC
Print the names of the internal clients currently attached.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
---
 drivers/gpu/drm/drm_client.c  | 28 ++++++++++++++++++++++++++++
 drivers/gpu/drm/drm_debugfs.c |  7 +++++++
 include/drm/drm_client.h      |  2 ++
 3 files changed, 37 insertions(+)

Comments

Daniel Vetter June 20, 2018, 9:23 a.m. UTC | #1
On Mon, Jun 18, 2018 at 04:17:36PM +0200, Noralf Trønnes wrote:
> Print the names of the internal clients currently attached.
> 
> Signed-off-by: Noralf Trønnes <noralf@tronnes.org>

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

> ---
>  drivers/gpu/drm/drm_client.c  | 28 ++++++++++++++++++++++++++++
>  drivers/gpu/drm/drm_debugfs.c |  7 +++++++
>  include/drm/drm_client.h      |  2 ++
>  3 files changed, 37 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
> index f1dc04d641cc..3ebb8fa34655 100644
> --- a/drivers/gpu/drm/drm_client.c
> +++ b/drivers/gpu/drm/drm_client.c
> @@ -405,3 +405,31 @@ 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_printer p = drm_seq_file_printer(m);
> +	struct drm_client_dev *client;
> +
> +	mutex_lock(&dev->clientlist_mutex);
> +	list_for_each_entry(client, &dev->clientlist, list)
> +		drm_printf(&p, "%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
> diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
> index b2482818fee8..50a20bfc07ea 100644
> --- a/drivers/gpu/drm/drm_debugfs.c
> +++ b/drivers/gpu/drm/drm_debugfs.c
> @@ -28,6 +28,7 @@
>  #include <linux/slab.h>
>  #include <linux/export.h>
>  
> +#include <drm/drm_client.h>
>  #include <drm/drm_debugfs.h>
>  #include <drm/drm_edid.h>
>  #include <drm/drm_atomic.h>
> @@ -164,6 +165,12 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
>  			DRM_ERROR("Failed to create framebuffer debugfs file\n");
>  			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) {
> diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h
> index 80fe21c86f69..c3a87d6c30fc 100644
> --- a/include/drm/drm_client.h
> +++ b/include/drm/drm_client.h
> @@ -151,4 +151,6 @@ 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
> -- 
> 2.15.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
index f1dc04d641cc..3ebb8fa34655 100644
--- a/drivers/gpu/drm/drm_client.c
+++ b/drivers/gpu/drm/drm_client.c
@@ -405,3 +405,31 @@  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_printer p = drm_seq_file_printer(m);
+	struct drm_client_dev *client;
+
+	mutex_lock(&dev->clientlist_mutex);
+	list_for_each_entry(client, &dev->clientlist, list)
+		drm_printf(&p, "%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
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index b2482818fee8..50a20bfc07ea 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -28,6 +28,7 @@ 
 #include <linux/slab.h>
 #include <linux/export.h>
 
+#include <drm/drm_client.h>
 #include <drm/drm_debugfs.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_atomic.h>
@@ -164,6 +165,12 @@  int drm_debugfs_init(struct drm_minor *minor, int minor_id,
 			DRM_ERROR("Failed to create framebuffer debugfs file\n");
 			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) {
diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h
index 80fe21c86f69..c3a87d6c30fc 100644
--- a/include/drm/drm_client.h
+++ b/include/drm/drm_client.h
@@ -151,4 +151,6 @@  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