drm/amd/display: Properly reuse completion structure

From Stylon Wang
118ad80d27d938868299ef184f7483b21f011f0b in linux-6.1.y/6.1.15
0cf8307adbc6beb5ff3b8a76afedc6e4e0b536a9 in mainline linux

diff --git a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e08b055..0f6d9ba 100644 (file)
--- a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10256,6 +10256,7 @@ int amdgpu_dm_process_dmub_aux_transfer_sync(
        ret = p_notify->aux_reply.length;
        *operation_result = p_notify->result;
 out:
+       reinit_completion(&adev->dm.dmub_aux_transfer_done);
        mutex_unlock(&adev->dm.dpia_aux_lock);
        return ret;
 }
@@ -10283,6 +10284,8 @@ int amdgpu_dm_process_dmub_set_config_sync(
                *operation_result = SET_CONFIG_UNKNOWN_ERROR;
        }
 
+       if (!is_cmd_complete)
+               reinit_completion(&adev->dm.dmub_aux_transfer_done);
        mutex_unlock(&adev->dm.dpia_aux_lock);
        return ret;
 }