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@@ -32,6 +32,7 @@
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#include "drm.h"
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#include "drm.h"
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#include "drm_crtc.h"
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#include "drm_crtc.h"
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#include "drm_crtc_helper.h"
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#include "drm_crtc_helper.h"
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+#include "drm_edid.h"
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#include "intel_drv.h"
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#include "intel_drv.h"
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#include "i915_drm.h"
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#include "i915_drm.h"
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#include "i915_drv.h"
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#include "i915_drv.h"
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@@ -67,6 +68,8 @@ struct intel_dp {
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struct drm_display_mode *panel_fixed_mode; /* for eDP */
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struct drm_display_mode *panel_fixed_mode; /* for eDP */
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struct delayed_work panel_vdd_work;
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struct delayed_work panel_vdd_work;
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bool want_panel_vdd;
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bool want_panel_vdd;
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+ struct edid *edid; /* cached EDID for eDP */
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+ int edid_mode_count;
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};
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};
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/**
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/**
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@@ -371,7 +374,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
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int recv_bytes;
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int recv_bytes;
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uint32_t status;
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uint32_t status;
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uint32_t aux_clock_divider;
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uint32_t aux_clock_divider;
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- int try, precharge = 5;
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+ int try, precharge;
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intel_dp_check_edp(intel_dp);
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intel_dp_check_edp(intel_dp);
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/* The clock divider is based off the hrawclk,
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/* The clock divider is based off the hrawclk,
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@@ -391,6 +394,11 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
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else
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else
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aux_clock_divider = intel_hrawclk(dev) / 2;
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aux_clock_divider = intel_hrawclk(dev) / 2;
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+ if (IS_GEN6(dev))
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+ precharge = 3;
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+ else
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+ precharge = 5;
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+
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/* Try to wait for any previous AUX channel activity */
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/* Try to wait for any previous AUX channel activity */
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for (try = 0; try < 3; try++) {
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for (try = 0; try < 3; try++) {
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status = I915_READ(ch_ctl);
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status = I915_READ(ch_ctl);
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@@ -1973,6 +1981,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
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if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT))
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if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT))
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return;
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return;
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+ ironlake_edp_panel_vdd_on(intel_dp);
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+
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if (intel_dp_aux_native_read_retry(intel_dp, DP_SINK_OUI, buf, 3))
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if (intel_dp_aux_native_read_retry(intel_dp, DP_SINK_OUI, buf, 3))
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DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n",
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DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n",
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buf[0], buf[1], buf[2]);
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buf[0], buf[1], buf[2]);
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@@ -1980,6 +1990,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
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if (intel_dp_aux_native_read_retry(intel_dp, DP_BRANCH_OUI, buf, 3))
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if (intel_dp_aux_native_read_retry(intel_dp, DP_BRANCH_OUI, buf, 3))
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DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n",
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DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n",
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buf[0], buf[1], buf[2]);
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buf[0], buf[1], buf[2]);
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+
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+ ironlake_edp_panel_vdd_off(intel_dp, false);
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}
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}
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static bool
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static bool
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@@ -2116,10 +2128,22 @@ intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
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{
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{
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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struct edid *edid;
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struct edid *edid;
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+ int size;
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+
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+ if (is_edp(intel_dp)) {
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+ if (!intel_dp->edid)
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+ return NULL;
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+
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+ size = (intel_dp->edid->extensions + 1) * EDID_LENGTH;
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+ edid = kmalloc(size, GFP_KERNEL);
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+ if (!edid)
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+ return NULL;
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+
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+ memcpy(edid, intel_dp->edid, size);
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+ return edid;
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+ }
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- ironlake_edp_panel_vdd_on(intel_dp);
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edid = drm_get_edid(connector, adapter);
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edid = drm_get_edid(connector, adapter);
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- ironlake_edp_panel_vdd_off(intel_dp, false);
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return edid;
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return edid;
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}
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}
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@@ -2129,9 +2153,17 @@ intel_dp_get_edid_modes(struct drm_connector *connector, struct i2c_adapter *ada
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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int ret;
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int ret;
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- ironlake_edp_panel_vdd_on(intel_dp);
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+ if (is_edp(intel_dp)) {
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+ drm_mode_connector_update_edid_property(connector,
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+ intel_dp->edid);
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+ ret = drm_add_edid_modes(connector, intel_dp->edid);
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+ drm_edid_to_eld(connector,
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+ intel_dp->edid);
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+ connector->display_info.raw_edid = NULL;
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+ return intel_dp->edid_mode_count;
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+ }
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+
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ret = intel_ddc_get_modes(connector, adapter);
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ret = intel_ddc_get_modes(connector, adapter);
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- ironlake_edp_panel_vdd_off(intel_dp, false);
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return ret;
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return ret;
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}
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}
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@@ -2321,6 +2353,7 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
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i2c_del_adapter(&intel_dp->adapter);
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i2c_del_adapter(&intel_dp->adapter);
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drm_encoder_cleanup(encoder);
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drm_encoder_cleanup(encoder);
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if (is_edp(intel_dp)) {
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if (is_edp(intel_dp)) {
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+ kfree(intel_dp->edid);
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cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
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cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
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ironlake_panel_vdd_off_sync(intel_dp);
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ironlake_panel_vdd_off_sync(intel_dp);
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}
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}
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@@ -2504,11 +2537,14 @@ intel_dp_init(struct drm_device *dev, int output_reg)
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break;
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break;
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}
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}
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+ intel_dp_i2c_init(intel_dp, intel_connector, name);
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+
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/* Cache some DPCD data in the eDP case */
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/* Cache some DPCD data in the eDP case */
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if (is_edp(intel_dp)) {
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if (is_edp(intel_dp)) {
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bool ret;
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bool ret;
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struct edp_power_seq cur, vbt;
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struct edp_power_seq cur, vbt;
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u32 pp_on, pp_off, pp_div;
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u32 pp_on, pp_off, pp_div;
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+ struct edid *edid;
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pp_on = I915_READ(PCH_PP_ON_DELAYS);
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pp_on = I915_READ(PCH_PP_ON_DELAYS);
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pp_off = I915_READ(PCH_PP_OFF_DELAYS);
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pp_off = I915_READ(PCH_PP_OFF_DELAYS);
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@@ -2576,9 +2612,19 @@ intel_dp_init(struct drm_device *dev, int output_reg)
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intel_dp_destroy(&intel_connector->base);
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intel_dp_destroy(&intel_connector->base);
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return;
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return;
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}
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}
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- }
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- intel_dp_i2c_init(intel_dp, intel_connector, name);
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+ ironlake_edp_panel_vdd_on(intel_dp);
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+ edid = drm_get_edid(connector, &intel_dp->adapter);
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+ if (edid) {
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+ drm_mode_connector_update_edid_property(connector,
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+ edid);
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+ intel_dp->edid_mode_count =
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+ drm_add_edid_modes(connector, edid);
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+ drm_edid_to_eld(connector, edid);
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+ intel_dp->edid = edid;
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+ }
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+ ironlake_edp_panel_vdd_off(intel_dp, false);
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+ }
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intel_encoder->hot_plug = intel_dp_hot_plug;
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intel_encoder->hot_plug = intel_dp_hot_plug;
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