diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/g4x_dp.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 13 |
2 files changed, 2 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index a50ad0fff57c..920d570f7594 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -1197,29 +1197,6 @@ static bool g4x_digital_port_connected(struct intel_encoder *encoder) return intel_de_read(dev_priv, PORT_HOTPLUG_STAT) & bit; } -static bool gm45_digital_port_connected(struct intel_encoder *encoder) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; - - switch (encoder->hpd_pin) { - case HPD_PORT_B: - bit = PORTB_HOTPLUG_LIVE_STATUS_GM45; - break; - case HPD_PORT_C: - bit = PORTC_HOTPLUG_LIVE_STATUS_GM45; - break; - case HPD_PORT_D: - bit = PORTD_HOTPLUG_LIVE_STATUS_GM45; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } - - return intel_de_read(dev_priv, PORT_HOTPLUG_STAT) & bit; -} - static bool ilk_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); @@ -1384,10 +1361,7 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, dig_port->hpd_pulse = intel_dp_hpd_pulse; if (HAS_GMCH(dev_priv)) { - if (IS_GM45(dev_priv)) - dig_port->connected = gm45_digital_port_connected; - else - dig_port->connected = g4x_digital_port_connected; + dig_port->connected = g4x_digital_port_connected; } else { if (port == PORT_A) dig_port->connected = ilk_digital_port_connected; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9f4e4c3d6159..974cf8bdc056 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2379,18 +2379,7 @@ #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2) #define PORT_HOTPLUG_STAT _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61114) -/* - * HDMI/DP bits are g4x+ - * - * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused. - * Please check the detailed lore in the commit message for for experimental - * evidence. - */ -/* Bspec says GM45 should match G4X/VLV/CHV, but reality disagrees */ -#define PORTD_HOTPLUG_LIVE_STATUS_GM45 (1 << 29) -#define PORTC_HOTPLUG_LIVE_STATUS_GM45 (1 << 28) -#define PORTB_HOTPLUG_LIVE_STATUS_GM45 (1 << 27) -/* G4X/VLV/CHV DP/HDMI bits again match Bspec */ +/* HDMI/DP bits are g4x+ */ #define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 27) #define PORTC_HOTPLUG_LIVE_STATUS_G4X (1 << 28) #define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 29) |