diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_backlight.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_backlight.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c index a4e4b7f79e4d..cb1e4423decb 100644 --- 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; } |