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drm/i915: debug sink dpms aux errors also on enable 

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2014-09-02 16:33:52 +03:00 committed by Daniel Vetter
parent 09dba00c00
commit f9cac7218a
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/intel_dp.c
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@ -1553,8 +1553,6 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
if (mode != DRM_MODE_DPMS_ON) {
ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER,
DP_SET_POWER_D3);
if (ret != 1)
DRM_DEBUG_DRIVER("failed to write sink power state\n");
} else {
/*
* When turning on, we need to retry for 1ms to give the sink
@ -1568,6 +1566,10 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
msleep(1);
}
}
if (ret != 1)
DRM_DEBUG_KMS("failed to %s sink power state\n",
mode == DRM_MODE_DPMS_ON ? "enable" : "disable");
}
static bool intel_dp_get_hw_state(struct intel_encoder *encoder,