drm/i915: Jump to at least RPe on VLV when increasing the GPU frequency
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 25 Jun 2013 18:38:11 +0000 (21:38 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 1 Jul 2013 09:14:51 +0000 (11:14 +0200)
commit7425034a3361145c109510892d1e5154af2cdfed
tree4e9e68b98b60779f74cce0b0dd75fdeac46c520b
parent6dc5848899a7ddbf1d02f104a97dde7ba0200693
drm/i915: Jump to at least RPe on VLV when increasing the GPU frequency

If the current GPU frquency is below RPe, and we're asked to increase
it, just go directly to RPe. This should provide better performance
faster than letting the frequency trickle up in response to the up
threshold interrupts.

For now just do it for VLV, since that matches quite closely how VLV
used to operate when the rps delayed timer kept things at RPe always.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_irq.c