diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 596d97a68c6..fe8178bb770 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3794,6 +3794,7 @@ static void ibx_init_clock_gating(struct drm_device *dev) static void cpt_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + int pipe; /* * On Ibex Peak and Cougar Point, we need to disable clock @@ -3803,6 +3804,11 @@ static void cpt_init_clock_gating(struct drm_device *dev) I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) | DPLS_EDP_PPS_FIX_DIS); + /* WADP0ClockGatingDisable */ + for_each_pipe(pipe) { + I915_WRITE(TRANS_CHICKEN1(pipe), + TRANS_CHICKEN1_DP0UNIT_GC_DISABLE); + } } void intel_init_clock_gating(struct drm_device *dev) |