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Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes 

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: cache the EDID for eDP panels
  Revert "drm/i915/dp: Use auxch precharge value of 5 everywhere"
  drm/i915: eDP aux needs vdd
  drm/i915: don't enumerate HDMID if an eDP panel is already active on the port
This commit is contained in:
Dave Airlie 2012-06-16 14:45:17 +01:00
parent 7c77bf2a1a d6f24d0fa6
commit c4af5c4597
2 changed files with 54 additions and 8 deletions
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2
drivers/gpu/drm/i915/intel_display.c
View File

@ -6558,7 +6558,7 @@ static void intel_setup_outputs(struct drm_device *dev)
if (I915_READ(HDMIC) & PORT_DETECTED)
intel_hdmi_init(dev, HDMIC);
if (I915_READ(HDMID) & PORT_DETECTED)
if (!dpd_is_edp && I915_READ(HDMID) & PORT_DETECTED)
intel_hdmi_init(dev, HDMID);
if (I915_READ(PCH_DP_C) & DP_DETECTED)

60
drivers/gpu/drm/i915/intel_dp.c
View File

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