[PATCH] drm/amdgpu: fix unload driver fail

[Emily Deng]

dc_destroy should be called amdgpu_cgs_destroy_device,
as it will use cgs context to read or write registers.

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index fd04217..f558c9c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -616,6 +616,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 static void amdgpu_dm_fini(struct amdgpu_device *adev)
 {
 	amdgpu_dm_destroy_drm_device(&adev->dm);
+
+	/* DC Destroy TODO: Replace destroy DAL */
+	if (adev->dm.dc)
+		dc_destroy(&adev->dm.dc);
 	/*
 	 * TODO: pageflip, vlank interrupt
 	 *
@@ -630,9 +634,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
 		mod_freesync_destroy(adev->dm.freesync_module);
 		adev->dm.freesync_module = NULL;
 	}
-	/* DC Destroy TODO: Replace destroy DAL */
-	if (adev->dm.dc)
-		dc_destroy(&adev->dm.dc);
 
 	mutex_destroy(&adev->dm.dc_lock);
 
-- 
2.7.4