diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 141ded524482..17c590b42fd7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5869,6 +5869,22 @@ static void i9xx_pfit_enable(struct intel_crtc *crtc) I915_WRITE(BCLRPAT(crtc->pipe), 0); } +bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port) +{ + if (IS_ICELAKE(dev_priv)) + return port >= PORT_C && port <= PORT_F; + + return false; +} + +enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port) +{ + if (!intel_port_is_tc(dev_priv, port)) + return PORT_TC_NONE; + + return port - PORT_C; +} + enum intel_display_power_domain intel_port_to_power_domain(enum port port) { switch (port) { |