[PATCH 2/3] drm/i915: Include the AUX CH name in the debug messages

Ville Syrjala ville.syrjala at linux.intel.com
Thu Jan 23 15:45:41 UTC 2020


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

To make it easier to figure out what caused a particular debug
message let's print out aux->name.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 1795963e1866..941f0f6d55c1 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1186,7 +1186,7 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp)
 	trace_i915_reg_rw(false, ch_ctl, status, sizeof(status), true);
 
 	if (!done)
-		DRM_ERROR("%s did not complete or timeout within %ums (status 0x%08x)\n",
+		DRM_ERROR("%s: did not complete or timeout within %ums (status 0x%08x)\n",
 			  intel_dp->aux.name, timeout_ms, status);
 #undef C
 
@@ -1373,8 +1373,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 		const u32 status = intel_uncore_read(uncore, ch_ctl);
 
 		if (status != intel_dp->aux_busy_last_status) {
-			WARN(1, "dp_aux_ch not started status 0x%08x\n",
-			     status);
+			WARN(1, "%s: not started status 0x%08x\n",
+			     intel_dp->aux.name, status);
 			intel_dp->aux_busy_last_status = status;
 		}
 
@@ -1435,7 +1435,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	}
 
 	if ((status & DP_AUX_CH_CTL_DONE) == 0) {
-		DRM_ERROR("dp_aux_ch not done status 0x%08x\n", status);
+		DRM_ERROR("%s: not done status 0x%08x\n",
+			  intel_dp->aux.name, status);
 		ret = -EBUSY;
 		goto out;
 	}
@@ -1445,7 +1446,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	 * Timeouts occur when the sink is not connected
 	 */
 	if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) {
-		DRM_ERROR("dp_aux_ch receive error status 0x%08x\n", status);
+		DRM_ERROR("%s: receive error status 0x%08x\n",
+			  intel_dp->aux.name, status);
 		ret = -EIO;
 		goto out;
 	}
@@ -1453,7 +1455,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	/* Timeouts occur when the device isn't connected, so they're
 	 * "normal" -- don't fill the kernel log with these */
 	if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) {
-		DRM_DEBUG_KMS("dp_aux_ch timeout status 0x%08x\n", status);
+		DRM_DEBUG_KMS("%s: timeout status 0x%08x\n",
+			      intel_dp->aux.name, status);
 		ret = -ETIMEDOUT;
 		goto out;
 	}
@@ -1468,8 +1471,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	 * drm layer takes care for the necessary retries.
 	 */
 	if (recv_bytes == 0 || recv_bytes > 20) {
-		DRM_DEBUG_KMS("Forbidden recv_bytes = %d on aux transaction\n",
-			      recv_bytes);
+		DRM_DEBUG_KMS("%s: Forbidden recv_bytes = %d on aux transaction\n",
+			      intel_dp->aux.name, recv_bytes);
 		ret = -EBUSY;
 		goto out;
 	}
-- 
2.24.1



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