drm/i915: Explain why we need to write DPLL twice
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 3 Dec 2010 21:13:16 +0000 (21:13 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Sun, 5 Dec 2010 00:37:35 +0000 (00:37 +0000)
commita589b9f429ac0e5bcdebda0f74ee313d39d69b7f
tree1a6a604e1f57f932eabb3b848b36dc0385df5a38
parent17fe6981109e995f36723e4880a97d48fa38920a
drm/i915: Explain why we need to write DPLL twice

... it's because setting the Pixel Multiply bits only takes effect once
the PLL is enabled and stable.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_display.c