[Intel-gfx] [PATCH 2/7] drm/i915/skl: Updated the gen6_set_rps function

[akash.goel at intel.com]

From: Akash Goel <akash.goel at intel.com>

On SKL, the frequency programmed in RPNSWREQ (A008) register
has to be in units of 16.66 MHZ. So updated the gen6_set_rps
function, as per this change.

Signed-off-by: Akash Goel <akash.goel at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bebefe7..58c8c0e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3764,7 +3764,10 @@ static void gen6_set_rps(struct drm_device *dev, u8 val)
 	if (val != dev_priv->rps.cur_freq) {
 		gen6_set_rps_thresholds(dev_priv, val);
 
-		if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+		if (IS_GEN9(dev))
+                        I915_WRITE(GEN6_RPNSWREQ,
+                                   GEN9_FREQUENCY(val * GEN9_FREQ_SCALER));
+		else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 			I915_WRITE(GEN6_RPNSWREQ,
 				   HSW_FREQUENCY(val));
 		else
-- 
1.9.2