diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index ef759b148131..a14baea12800 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1929,8 +1929,12 @@ static void cnl_ddi_disable_clock(struct intel_encoder *encoder) struct drm_i915_private *i915 = to_i915(encoder->base.dev); enum port port = encoder->port; + mutex_lock(&i915->dpll.lock); + intel_de_rmw(i915, DPCLKA_CFGCR0, 0, DPCLKA_CFGCR0_DDI_CLK_OFF(port)); + + mutex_unlock(&i915->dpll.lock); } static void skl_ddi_enable_clock(struct intel_encoder *encoder, @@ -1959,8 +1963,12 @@ static void skl_ddi_disable_clock(struct intel_encoder *encoder) struct drm_i915_private *i915 = to_i915(encoder->base.dev); enum port port = encoder->port; + mutex_lock(&i915->dpll.lock); + intel_de_rmw(i915, DPLL_CTRL2, 0, DPLL_CTRL2_DDI_CLK_OFF(port)); + + mutex_unlock(&i915->dpll.lock); } void hsw_ddi_enable_clock(struct intel_encoder *encoder, |