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authorJani Nikula <jani.nikula@intel.com>2014-09-02 09:33:52 -0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-09-03 05:05:33 -0400
commitf9cac7218a6e18f5f95917c9e3331ee7f063c439 (patch)
tree8e9f9f05db05abe08b86a51eaa6be4a88dceba54 /drivers/gpu/drm
parent09dba00c0091984626b48e1e2439f25e437c03ae (diff)
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9d655a6b1c61..0c565f95c6e9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1553,8 +1553,6 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
1553 if (mode != DRM_MODE_DPMS_ON) { 1553 if (mode != DRM_MODE_DPMS_ON) {
1554 ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, 1554 ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER,
1555 DP_SET_POWER_D3); 1555 DP_SET_POWER_D3);
1556 if (ret != 1)
1557 DRM_DEBUG_DRIVER("failed to write sink power state\n");
1558 } else { 1556 } else {
1559 /* 1557 /*
1560 * When turning on, we need to retry for 1ms to give the sink 1558 * 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)
1568 msleep(1); 1566 msleep(1);
1569 } 1567 }
1570 } 1568 }
1569
1570 if (ret != 1)
1571 DRM_DEBUG_KMS("failed to %s sink power state\n",
1572 mode == DRM_MODE_DPMS_ON ? "enable" : "disable");
1571} 1573}
1572 1574
1573static bool intel_dp_get_hw_state(struct intel_encoder *encoder, 1575static bool intel_dp_get_hw_state(struct intel_encoder *encoder,