diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 7 |
2 files changed, 16 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 4a6208857488..562227d54ccc 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -87,29 +87,16 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv, enum port port) { - switch (port) { - case PORT_A: - return HPD_PORT_A; - case PORT_B: - return HPD_PORT_B; - case PORT_C: - return HPD_PORT_C; - case PORT_D: - return HPD_PORT_D; - case PORT_E: - return HPD_PORT_E; - case PORT_F: - if (IS_CNL_WITH_PORT_F(dev_priv)) - return HPD_PORT_E; - return HPD_PORT_F; - case PORT_G: - return HPD_PORT_G; - case PORT_H: - return HPD_PORT_H; - case PORT_I: - return HPD_PORT_I; + enum phy phy = intel_port_to_phy(dev_priv, port); + + switch (phy) { + case PHY_F: + return IS_CNL_WITH_PORT_F(dev_priv) ? HPD_PORT_E : HPD_PORT_F; + case PHY_A ... PHY_E: + case PHY_G ... PHY_I: + return HPD_PORT_A + phy - PHY_A; default: - MISSING_CASE(port); + MISSING_CASE(phy); return HPD_NONE; } } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c081f4ec87df..19195bde4921 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -114,6 +114,13 @@ struct drm_i915_gem_object; +/* + * The code assumes that the hpd_pins below have consecutive values and + * starting with HPD_PORT_A, the HPD pin associated with any port can be + * retrieved by adding the corresponding port (or phy) enum value to + * HPD_PORT_A in most cases. For example: + * HPD_PORT_C = HPD_PORT_A + PHY_C - PHY_A + */ enum hpd_pin { HPD_NONE = 0, HPD_TV = HPD_NONE, /* TV is known to be unreliable */ |