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[4/4] drm/i915: Update ring freq for full gpu freq range

Message ID 1416435715-156532-5-git-send-email-Tom.O'Rourke@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tom.O'Rourke@intel.com Nov. 19, 2014, 10:21 p.m. UTC 
From: Tom O'Rourke <Tom.O'Rourke@intel.com>

In __gen6_update_ring_freq, use the full range of
possible gpu frequencies from max_freq to min_freq.
The actual gpu frequency could be outside the range
from max_freq_softlimit to min_freq_softlimit due
to power/thermal constraints.

Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4fd063f..2f744aa 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4926,9 +4926,9 @@  static void __gen6_update_ring_freq(struct drm_device *dev)
 	 * to use for memory access.  We do this by specifying the IA frequency
 	 * the PCU should use as a reference to determine the ring frequency.
 	 */
-	for (gpu_freq = dev_priv->rps.max_freq_softlimit; gpu_freq >= dev_priv->rps.min_freq_softlimit;
+	for (gpu_freq = dev_priv->rps.max_freq; gpu_freq >= dev_priv->rps.min_freq;
 	     gpu_freq--) {
-		int diff = dev_priv->rps.max_freq_softlimit - gpu_freq;
+		int diff = dev_priv->rps.max_freq - gpu_freq;
 		unsigned int ia_freq = 0, ring_freq = 0;
 
 		if (INTEL_INFO(dev)->gen >= 8) {