[PATCH v3 2/2] drm/debugfs: also take per device driver features into account

Jani Nikula jani.nikula at intel.com
Wed Jan 22 15:50:30 UTC 2020


Use drm_core_check_all_features() to ensure both the driver features and
the per-device driver features are taken into account when registering
debugfs files.

v2:
- use drm_core_check_all_features()

Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/drm_debugfs.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index eab0f2687cd6..0c70b4b22c8a 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -180,10 +180,7 @@ int drm_debugfs_create_files(const struct drm_info_list *files, int count,
 	int i;
 
 	for (i = 0; i < count; i++) {
-		u32 features = files[i].driver_features;
-
-		if (features != 0 &&
-		    (dev->driver->driver_features & features) != features)
+		if (!drm_core_check_all_features(dev, files[i].driver_features))
 			continue;
 
 		tmp = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
-- 
2.20.1



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