[Intel-gfx] [PATCH v2] drm/i915: Use wait_for_register in lpt_reset_fdi_mphy()

[Ville Syrjälä]

On Mon, Apr 10, 2017 at 01:56:31PM +0100, Chris Wilson wrote:
> On Mon, Apr 10, 2017 at 12:41:30PM +0100, Chris Wilson wrote:
> > On Mon, Apr 10, 2017 at 10:22:00AM +0000, Michal Wajdeczko wrote:
> > > There is no need to use macros as we can use generic function.
> > > And we can save ~2000 bytes in driver footprint.
> > > 
> > > v2: drop ret var, add 10ms fallback (Chris)
> > > 
> > > Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> > > Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> > > Cc: Chris Wilson <chris at chris-wilson.co.uk>
> > Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Hmm, forgot the convesion from I915_READ to I915_READ_FW. That should be
> safe here as this gen doesn't have the concurrent cacheline issue, iirc?

Isn't HSW exactly the platform where it happens very easily?

-- 
Ville Syrjälä
Intel OTC