diff options
| author | Deepak S <deepak.s@linux.intel.com> | 2014-05-23 21:00:21 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-06-11 16:57:28 +0200 |
| commit | 13a5660c137e4c9ca88e0bb20d518eff016bcfbc (patch) | |
| tree | b40b4546a223e15587d7014a8cdcb256026a4ab6 | |
| parent | ab53c267f28f1830c660aad1a8cc063b34fa1cc2 (diff) | |
drm/i915/chv: Freq(opcode) request for CHV.
On CHV, All the freq request should be even. So, we need to make sure we
request the opcode accordingly.
v2: Avoid vairable for freq request (ville)
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index cf288a95347c..218ef085cf73 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1252,8 +1252,10 @@ static void gen6_pm_rps_work(struct work_struct *work) if (pm_iir & GEN6_PM_RP_UP_THRESHOLD) { if (adj > 0) adj *= 2; - else - adj = 1; + else { + /* CHV needs even encode values */ + adj = IS_CHERRYVIEW(dev_priv->dev) ? 2 : 1; + } new_delay = dev_priv->rps.cur_freq + adj; /* @@ -1271,8 +1273,10 @@ static void gen6_pm_rps_work(struct work_struct *work) } else if (pm_iir & GEN6_PM_RP_DOWN_THRESHOLD) { if (adj < 0) adj *= 2; - else - adj = -1; + else { + /* CHV needs even encode values */ + adj = IS_CHERRYVIEW(dev_priv->dev) ? -2 : -1; + } new_delay = dev_priv->rps.cur_freq + adj; } else { /* unknown event */ new_delay = dev_priv->rps.cur_freq; |