diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 583170e73881..2120d6da3fcc 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1184,16 +1184,15 @@ static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, enum port port) { - i915_reg_t reg = DDI_BUF_CTL(port); - int i; - - for (i = 0; i < 16; i++) { - udelay(1); - if (intel_de_read(dev_priv, reg) & DDI_BUF_IS_IDLE) - return; + if (IS_BROXTON(dev_priv)) { + udelay(16); + return; } - drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c idle bit\n", - port_name(port)); + + if (wait_for_us((intel_de_read(dev_priv, DDI_BUF_CTL(port)) & + DDI_BUF_IS_IDLE), 8)) + drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c to get idle\n", + port_name(port)); } static u32 hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll) |