This describes the function better, allowing it to be used where the DPCD value is relevant.
Signed-off-by: Keith Packard keithp@keithp.com --- 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); }
/**