[PATCH 85/89] drm/i915/skl: Retrieve the frequency limits

Damien Lespiau
2014-09-04T11:29:21Z

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9e9377a..77e1d52 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4712,9 +4712,13 @@ void bdw_software_turbo(struct drm_device *dev)
static void gen9_enable_rps(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 rp_state_cap;

gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);

+ rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
+ parse_rp_state_cap(dev_priv, rp_state_cap);
+
I915_WRITE(GEN6_RPNSWREQ, 0xc800000);
I915_WRITE(GEN6_RC_VIDEO_FREQ, 0xc800000);

--
1.8.3.1