drm/xe: Interface xe drm client with fdinfo interface

DRM core driver has introduced recently fdinfo interface to
show memory stats of individual drm client. Lets interface
xe drm client to fdinfo interface.

V2:
  - cover call to xe_drm_client_fdinfo under PROC_FS

Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 612dfc92e948a6dd89bd717b7207abb5f290c995..67ec55810ca359a860b573cd077c590541513abb 100644 (file)
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -137,6 +137,9 @@ static const struct file_operations xe_driver_fops = {
        .read = drm_read,
        .compat_ioctl = drm_compat_ioctl,
        .llseek = noop_llseek,
+#ifdef CONFIG_PROC_FS
+       .show_fdinfo = drm_show_fdinfo,
+#endif
 };
 
 static void xe_driver_release(struct drm_device *dev)
@@ -161,6 +164,9 @@ static struct drm_driver driver = {
 
        .dumb_create = xe_bo_dumb_create,
        .dumb_map_offset = drm_gem_ttm_dumb_map_offset,
+#ifdef CONFIG_PROC_FS
+       .show_fdinfo = xe_drm_client_fdinfo,
+#endif
        .release = &xe_driver_release,
 
        .ioctls = xe_ioctls,

diff --git a/drivers/gpu/drm/xe/xe_drm_client.c b/drivers/gpu/drm/xe/xe_drm_client.c
index 1558ca4e0eb7291b50e0f64fd84d72cfc5ee0e1b..98c8a0cf2f56505e3bc8b8012debf38371457750 100644 (file)
--- a/drivers/gpu/drm/xe/xe_drm_client.c
+++ b/drivers/gpu/drm/xe/xe_drm_client.c
@@ -50,3 +50,20 @@ void __xe_drm_client_free(struct kref *kref)
 
        kfree(client);
 }
+
+#ifdef CONFIG_PROC_FS
+/**
+ * xe_drm_client_fdinfo() - Callback for fdinfo interface
+ * @p: The drm_printer ptr
+ * @file: The drm_file ptr
+ *
+ * This is callabck for drm fdinfo interface. Register this callback
+ * in drm driver ops for show_fdinfo.
+ *
+ * Return: void
+ */
+void xe_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file)
+{
+       /* show_meminfo() will be developed here */
+}
+#endif

diff --git a/drivers/gpu/drm/xe/xe_drm_client.h b/drivers/gpu/drm/xe/xe_drm_client.h
index be097cdf5d12ff3b97bac3e43b94e3bcefe82b92..dbe3a083c9df85b3affa070b42e7eb1fbcc4758e 100644 (file)
--- a/drivers/gpu/drm/xe/xe_drm_client.h
+++ b/drivers/gpu/drm/xe/xe_drm_client.h
@@ -39,5 +39,7 @@ struct xe_drm_client *xe_drm_client_alloc(void);
 static inline struct xe_drm_client *
 xe_drm_client_get(struct xe_drm_client *client);
 static inline void xe_drm_client_put(struct xe_drm_client *client);
-
+#ifdef CONFIG_PROC_FS
+void xe_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
+#endif
 #endif