Merge tag 'efi-for-3.8' into x86/efi

[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1b63d55..fb3715b 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2579,7 +2579,8 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 
 static void
 intel_dp_init_panel_power_sequencer(struct drm_device *dev,
-                                   struct intel_dp *intel_dp)
+                                   struct intel_dp *intel_dp,
+                                   struct edp_power_seq *out)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct edp_power_seq cur, vbt, spec, final;
@@ -2650,16 +2651,35 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
        intel_dp->panel_power_cycle_delay = get_delay(t11_t12);
 #undef get_delay
 
+       DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
+                     intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
+                     intel_dp->panel_power_cycle_delay);
+
+       DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
+                     intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+
+       if (out)
+               *out = final;
+}
+
+static void
+intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
+                                             struct intel_dp *intel_dp,
+                                             struct edp_power_seq *seq)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       u32 pp_on, pp_off, pp_div;
+
        /* And finally store the new values in the power sequencer. */
-       pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
-               (final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
-       pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
-                (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
+       pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
+               (seq->t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
+       pp_off = (seq->t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
+                (seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
        /* Compute the divisor for the pp clock, simply match the Bspec
         * formula. */
        pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1)
                        << PP_REFERENCE_DIVIDER_SHIFT;
-       pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000)
+       pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
                        << PANEL_POWER_CYCLE_DELAY_SHIFT);
 
        /* Haswell doesn't have any port selection bits for the panel
@@ -2675,14 +2695,6 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
        I915_WRITE(PCH_PP_OFF_DELAYS, pp_off);
        I915_WRITE(PCH_PP_DIVISOR, pp_div);
 
-
-       DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
-                     intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
-                     intel_dp->panel_power_cycle_delay);
-
-       DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
-                     intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
-
        DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n",
                      I915_READ(PCH_PP_ON_DELAYS),
                      I915_READ(PCH_PP_OFF_DELAYS),
@@ -2699,6 +2711,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
        struct drm_device *dev = intel_encoder->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_display_mode *fixed_mode = NULL;
+       struct edp_power_seq power_seq = { 0 };
        enum port port = intel_dig_port->port;
        const char *name = NULL;
        int type;
@@ -2771,7 +2784,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
        }
 
        if (is_edp(intel_dp))
-               intel_dp_init_panel_power_sequencer(dev, intel_dp);
+               intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
 
        intel_dp_i2c_init(intel_dp, intel_connector, name);
 
@@ -2798,6 +2811,10 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
                        return;
                }
 
+               /* We now know it's not a ghost, init power sequence regs. */
+               intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
+                                                             &power_seq);
+
                ironlake_edp_panel_vdd_on(intel_dp);
                edid = drm_get_edid(connector, &intel_dp->adapter);
                if (edid) {