[PATCH v6 03/22] drm/display: scdc_helper: Add macro to simplify debugging

[Cristian Ciocaltea <cristian.ciocaltea@collabora.com>]

Introduce the drm_scdc_dbg() wrapper over drm_dbg_kms() to help getting
rid of the boilerplate around prefixing the debug messages with the
connector information.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
 drivers/gpu/drm/display/drm_scdc_helper.c | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_scdc_helper.c b/drivers/gpu/drm/display/drm_scdc_helper.c
index df878aad4a36..cb6632346aad 100644
--- a/drivers/gpu/drm/display/drm_scdc_helper.c
+++ b/drivers/gpu/drm/display/drm_scdc_helper.c
@@ -55,6 +55,10 @@
 
 #define SCDC_I2C_SLAVE_ADDRESS 0x54
 
+#define drm_scdc_dbg(connector, fmt, ...)					\
+	drm_dbg_kms((connector)->dev, "[CONNECTOR:%d:%s] " fmt,			\
+		    (connector)->base.id, (connector)->name, ##__VA_ARGS__)
+
 /**
  * drm_scdc_read - read a block of data from SCDC
  * @adapter: I2C controller
@@ -158,9 +162,7 @@ bool drm_scdc_get_scrambling_status(struct drm_connector *connector)
 
 	ret = drm_scdc_readb(connector->ddc, SCDC_SCRAMBLER_STATUS, &status);
 	if (ret < 0) {
-		drm_dbg_kms(connector->dev,
-			    "[CONNECTOR:%d:%s] Failed to read scrambling status: %d\n",
-			    connector->base.id, connector->name, ret);
+		drm_scdc_dbg(connector, "Failed to read scrambling status: %d\n", ret);
 		return false;
 	}
 
@@ -188,9 +190,7 @@ bool drm_scdc_set_scrambling(struct drm_connector *connector,
 
 	ret = drm_scdc_readb(connector->ddc, SCDC_TMDS_CONFIG, &config);
 	if (ret < 0) {
-		drm_dbg_kms(connector->dev,
-			    "[CONNECTOR:%d:%s] Failed to read TMDS config: %d\n",
-			    connector->base.id, connector->name, ret);
+		drm_scdc_dbg(connector, "Failed to read TMDS config: %d\n", ret);
 		return false;
 	}
 
@@ -201,9 +201,7 @@ bool drm_scdc_set_scrambling(struct drm_connector *connector,
 
 	ret = drm_scdc_writeb(connector->ddc, SCDC_TMDS_CONFIG, config);
 	if (ret < 0) {
-		drm_dbg_kms(connector->dev,
-			    "[CONNECTOR:%d:%s] Failed to enable scrambling: %d\n",
-			    connector->base.id, connector->name, ret);
+		drm_scdc_dbg(connector, "Failed to enable scrambling: %d\n", ret);
 		return false;
 	}
 
@@ -248,9 +246,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct drm_connector *connector,
 
 	ret = drm_scdc_readb(connector->ddc, SCDC_TMDS_CONFIG, &config);
 	if (ret < 0) {
-		drm_dbg_kms(connector->dev,
-			    "[CONNECTOR:%d:%s] Failed to read TMDS config: %d\n",
-			    connector->base.id, connector->name, ret);
+		drm_scdc_dbg(connector, "Failed to read TMDS config: %d\n", ret);
 		return false;
 	}
 
@@ -261,9 +257,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct drm_connector *connector,
 
 	ret = drm_scdc_writeb(connector->ddc, SCDC_TMDS_CONFIG, config);
 	if (ret < 0) {
-		drm_dbg_kms(connector->dev,
-			    "[CONNECTOR:%d:%s] Failed to set TMDS clock ratio: %d\n",
-			    connector->base.id, connector->name, ret);
+		drm_scdc_dbg(connector, "Failed to set TMDS clock ratio: %d\n", ret);
 		return false;
 	}
 

-- 
2.53.0