36c0cc616e
Originally I've thought that this fixes up the reset issues on my gm45, but that was just a red herring due to b0rked testing. Still I much prefer writing the right values (all other fields are reserved) instead of potentially dragging gunk around. Hence also clear the register to 0 after a reset. Note that Cspec is a bit confused and doesn't explicitly say that all the other bits in this register are "reserved, mbz" like usually. Instead they're marked as "r/o, default value = 0" which semantically amounts to the same thing. v2: Stop claiming this fixes anything and return 0 if successful instead of stack garbage. v3: Pimp the commit message to explain exactly why I think the docs allow us to ditch the rmw cycle, spurred by a discussion with Chris. Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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