drm/i915: Make backlight setup debugs consistent

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / display / intel_backlight.c

diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index a4e4b7f79e4d4e217026623c9d18a80a63570209..cb1e4423decb2c00f07884c4cc4e7e77d0f1a0bf 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -1270,6 +1270,10 @@ static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unus
                               cpu_ctl2 & ~BLM_PWM_ENABLE);
        }
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",
+                   connector->base.base.id, connector->base.name);
+
        return 0;
 }
 
@@ -1297,6 +1301,10 @@ static int pch_setup_backlight(struct intel_connector *connector, enum pipe unus
        panel->backlight.pwm_enabled = (cpu_ctl2 & BLM_PWM_ENABLE) &&
                (pch_ctl1 & BLM_PCH_PWM_ENABLE);
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",
+                   connector->base.base.id, connector->base.name);
+
        return 0;
 }
 
@@ -1335,6 +1343,10 @@ static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unu
 
        panel->backlight.pwm_enabled = val != 0;
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",
+                   connector->base.base.id, connector->base.name);
+
        return 0;
 }
 
@@ -1364,6 +1376,10 @@ static int i965_setup_backlight(struct intel_connector *connector, enum pipe unu
 
        panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",
+                   connector->base.base.id, connector->base.name);
+
        return 0;
 }
 
@@ -1392,6 +1408,10 @@ static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe
 
        panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PWM for backlight control (on pipe %c)\n",
+                   connector->base.base.id, connector->base.name, pipe_name(pipe));
+
        return 0;
 }
 
@@ -1428,6 +1448,11 @@ bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)
 
        panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PWM for backlight control (controller=%d)\n",
+                   connector->base.base.id, connector->base.name,
+                   panel->backlight.controller);
+
        return 0;
 }
 
@@ -1490,6 +1515,11 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)
 
        panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;
 
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control (controller=%d)\n",
+                   connector->base.base.id, connector->base.name,
+                   panel->backlight.controller);
+
        return 0;
 }
 
@@ -1538,8 +1568,10 @@ static int ext_pwm_setup_backlight(struct intel_connector *connector,
                        NSEC_PER_SEC / get_vbt_pwm_freq(connector);
        }
 
-       drm_info(&i915->drm, "Using %s PWM for LCD backlight control\n",
-                desc);
+       drm_dbg_kms(&i915->drm,
+                   "[CONNECTOR:%d:%s] Using %s PWM for backlight control\n",
+                   connector->base.base.id, connector->base.name, desc);
+
        return 0;
 }