From: Ma Jun <Jun.Ma2@amd.com>
Date: Tue, 16 Apr 2024 09:30:12 +0000 (+0800)
Subject: drm/amdgpu/pm: Remove gpu_od if it's an empty directory
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=69bc7a8a61aaa71e7cba1065484c421e7556edcc;p=linux.git

drm/amdgpu/pm: Remove gpu_od if it's an empty directory

gpu_od should be removed if it's an empty directory

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reported-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 5bc1cd4993e8a..569bc6e61b77a 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -4338,6 +4338,13 @@ static int amdgpu_od_set_init(struct amdgpu_device *adev)
 		}
 	}
 
+	/*
+	 * If gpu_od is the only member in the list, that means gpu_od is an
+	 * empty directory, so remove it.
+	 */
+	if (list_is_singular(&adev->pm.od_kobj_list))
+		goto err_out;
+
 	return 0;
 
 err_out: