diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 99eb7cad62a8..018fb7222f60 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6161,6 +6161,10 @@ static void vlv_crtc_clock_get(struct intel_crtc *crtc, u32 mdiv; int refclk = 100000; + /* In case of MIPI DPLL will not even be used */ + if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) + return; + mutex_lock(&dev_priv->dpio_lock); mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); mutex_unlock(&dev_priv->dpio_lock); |