[Intel-gfx] [PATCH 2/3] drm/i915: Don't try indexed reads to alternate slave addresses

[Chris Wilson]

Quoting Ville Syrjala (2017-11-23 19:41:56)
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> We can only specify the one slave address to indexed reads/writes.
> Make sure the messages we check are destined to the same slave
> address before deciding to do an indexed transfer.
> 
> Cc: stable at vger.kernel.org
> Cc: Daniel Kurtz <djkurtz at chromium.org>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Sean Paul <seanpaul at chromium.org>
> Fixes: 56f9eac05489 ("drm/i915/intel_i2c: use INDEX cycles for i2c read transactions")
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris