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drm/i915: GEN6_RP_INTERRUPT_LIMITS doesn't seem to exist on VLV

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I can't find GEN6_RP_INTERRUPT_LIMITS (0xA014) anywhere in VLV docs.
Reading it always returns zero from what I can tell, and eliminating
it doesn't seem to make any difference to the behaviour of the system.

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>
This commit is contained in:
Ville Syrjälä
2013-06-25 19:21:06 +03:00
committed by Daniel Vetter
parent d8289c9e7b
commit 7a67092a25
1 changed files with 2 additions and 6 deletions
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8
drivers/gpu/drm/i915/intel_pm.c
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@@ -3104,7 +3104,8 @@ static void vlv_update_rps_cur_delay(struct drm_i915_private *dev_priv)
void valleyview_set_rps(struct drm_device *dev, u8 val) void valleyview_set_rps(struct drm_device *dev, u8 val)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
u32 limits = gen6_rps_limits(dev_priv, &val);
gen6_rps_limits(dev_priv, &val);
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
WARN_ON(val > dev_priv->rps.max_delay); WARN_ON(val > dev_priv->rps.max_delay);
@@ -3123,11 +3124,6 @@ void valleyview_set_rps(struct drm_device *dev, u8 val)
vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ, val); vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ, val);
/* Make sure we continue to get interrupts
* until we hit the minimum or maximum frequencies.
*/
I915_WRITE(GEN6_RP_INTERRUPT_LIMITS, limits);
dev_priv->rps.cur_delay = val; dev_priv->rps.cur_delay = val;
trace_intel_gpu_freq_change(vlv_gpu_freq(dev_priv->mem_freq, val)); trace_intel_gpu_freq_change(vlv_gpu_freq(dev_priv->mem_freq, val));