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drm/i915: Rename i915_dp_detect_common to intel_dp_get_dpcd

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This describes the function better, allowing it to be used where the
DPCD value is relevant.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Keith Packard 2011-07-25 20:01:09 -07:00
parent 92fd8fd13b
commit 26d61aad7a
1 changed files with 15 additions and 9 deletions
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24
drivers/gpu/drm/i915/intel_dp.c
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@ -1567,18 +1567,16 @@ intel_dp_link_down(struct intel_dp *intel_dp)
POSTING_READ(intel_dp->output_reg);
}
static enum drm_connector_status
i915_dp_detect_common(struct intel_dp *intel_dp)
static bool
intel_dp_get_dpcd(struct intel_dp *intel_dp)
{
enum drm_connector_status status = connector_status_disconnected;
if (intel_dp_aux_native_read_retry(intel_dp, 0x000, intel_dp->dpcd,
sizeof (intel_dp->dpcd)) &&
(intel_dp->dpcd[DP_DPCD_REV] != 0)) {
status = connector_status_connected;
return true;
}
return status;
return false;
}
/*
@ -1603,7 +1601,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
}
/* Now read the DPCD to see if it's actually running */
if (i915_dp_detect_common(intel_dp) != connector_status_connected) {
if (!intel_dp_get_dpcd(intel_dp)) {
intel_dp_link_down(intel_dp);
return;
}
@ -1616,6 +1614,14 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
}
}
static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
if (intel_dp_get_dpcd(intel_dp))
return connector_status_connected;
return connector_status_disconnected;
}
static enum drm_connector_status
ironlake_dp_detect(struct intel_dp *intel_dp)
{
@ -1629,7 +1635,7 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
return status;
}
return i915_dp_detect_common(intel_dp);
return intel_dp_detect_dpcd(intel_dp);
}
static enum drm_connector_status
@ -1658,7 +1664,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
if ((temp & bit) == 0)
return connector_status_disconnected;
return i915_dp_detect_common(intel_dp);
return intel_dp_detect_dpcd(intel_dp);
}
/**