Concerning the famous debate between Hashang Mahayana (Moheyan) and Kamalasila at Samye:
Some sources (the mainstream or institutional Tibetan ones) hold that Hashang lost, and "Hashang's view" became an epithet for an unacceptable view in Tibetan scholarly discourse.
Other sources (mostly Chinese from what I have gathered) have argued that Hashang indeed won, and that his view is not only good Dharma, but superior to Kamalasila's position.
Hm.
All of this I have gathered from second or third or fourth-hand sources. I'd like to know if there are any primary-source accounts of this exchange that would let us separate the generalizations that are attributed to both parties from their actual views. Or if there are any Tibetan teachers who have reason to second-guess the straightforward rejection of Hashang's position.
I'm asking because in Sky Dancer, Keith Dowman suggests that perhaps Dzogchen is closer to Hashang's view than the institutionalized gradual approach... I'm curious to find out if this is only one man's opinion, or if there's more to it than that. Thanks.

