diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0368a315ebbf6cb05282873b660b3af2c214b7a5..a007edcc065116a61526deccf438fffc7f10198b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15040,9 +15040,6 @@ void intel_modeset_init(struct drm_device *dev) i915_disable_vga(dev); intel_setup_outputs(dev); - /* Just in case the BIOS is doing something questionable. */ - intel_fbc_disable(dev_priv); - drm_modeset_lock_all(dev); intel_modeset_setup_hw_state(dev); drm_modeset_unlock_all(dev); diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 7f8832fb3455ad137dc940a0e47d05ca54b14046..8b19f3786e0717e07ad146ae8b816e579cf57b73 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -1038,9 +1038,9 @@ void intel_fbc_init(struct drm_i915_private *dev_priv) enum pipe pipe; mutex_init(&dev_priv->fbc.lock); + dev_priv->fbc.enabled = false; if (!HAS_FBC(dev_priv)) { - dev_priv->fbc.enabled = false; dev_priv->fbc.no_fbc_reason = "unsupported by this chipset"; return; } @@ -1074,5 +1074,9 @@ void intel_fbc_init(struct drm_i915_private *dev_priv) I915_WRITE(FBC_CONTROL, 500 << FBC_CTL_INTERVAL_SHIFT); } - dev_priv->fbc.enabled = dev_priv->fbc.fbc_enabled(dev_priv); + /* We still don't have any sort of hardware state readout for FBC, so + * disable it in case the BIOS enabled it to make sure software matches + * the hardware state. */ + if (dev_priv->fbc.fbc_enabled(dev_priv)) + dev_priv->fbc.disable_fbc(dev_priv); }