[PATCH 2/5] drm/i915: Rename i915_dp_detect_common to intel_dp_get_dpcd

From: Keith Packard
Date: Tue Jul 26 2011 - 02:37:45 EST


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

Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 24 +++++++++++++++---------
1 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 45db810..41674e1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -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;
}
@@ -1617,6 +1615,14 @@ 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)
{
enum drm_connector_status status;
@@ -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);
}

/**
--
1.7.5.4

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