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drm/i915: Improve VDD/PPS debugs 

Print the port name in the VDD/PPS debugs messages.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-10-16 21:30:02 +03:00 committed by Daniel Vetter
parent a8c3344e06
commit 3936fcf453
1 changed files with 16 additions and 8 deletions
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24
drivers/gpu/drm/i915/intel_dp.c
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@ -1473,7 +1473,8 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
power_domain = intel_display_port_power_domain(intel_encoder);
intel_display_power_get(dev_priv, power_domain);
DRM_DEBUG_KMS("Turning eDP VDD on\n");
DRM_DEBUG_KMS("Turning eDP port %c VDD on\n",
port_name(intel_dig_port->port));
if (!edp_have_panel_power(intel_dp))
wait_panel_power_cycle(intel_dp);
@ -1492,7 +1493,8 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
* If the panel wasn't on, delay before accessing aux channel
*/
if (!edp_have_panel_power(intel_dp)) {
DRM_DEBUG_KMS("eDP was not running\n");
DRM_DEBUG_KMS("eDP port %c panel power wasn't enabled\n",
port_name(intel_dig_port->port));
msleep(intel_dp->panel_power_up_delay);
}
@ -1517,7 +1519,8 @@ void intel_edp_panel_vdd_on(struct intel_dp *intel_dp)
vdd = edp_panel_vdd_on(intel_dp);
pps_unlock(intel_dp);
WARN(!vdd, "eDP VDD already requested on\n");
WARN(!vdd, "eDP port %c VDD already requested on\n",
port_name(dp_to_dig_port(intel_dp)->port));
}
static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
@ -1538,7 +1541,8 @@ static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
if (!edp_have_panel_vdd(intel_dp))
return;
DRM_DEBUG_KMS("Turning eDP VDD off\n");
DRM_DEBUG_KMS("Turning eDP port %c VDD off\n",
port_name(intel_dig_port->port));
pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_FORCE_VDD;
@ -1599,7 +1603,8 @@ static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
if (!is_edp(intel_dp))
return;
WARN(!intel_dp->want_panel_vdd, "eDP VDD not forced on");
WARN(!intel_dp->want_panel_vdd, "eDP port %c VDD not forced on",
port_name(dp_to_dig_port(intel_dp)->port));
intel_dp->want_panel_vdd = false;
@ -1621,7 +1626,8 @@ static void edp_panel_on(struct intel_dp *intel_dp)
if (!is_edp(intel_dp))
return;
DRM_DEBUG_KMS("Turn eDP power on\n");
DRM_DEBUG_KMS("Turn eDP port %c panel power on\n",
port_name(dp_to_dig_port(intel_dp)->port));
if (edp_have_panel_power(intel_dp)) {
DRM_DEBUG_KMS("eDP power already on\n");
@ -1682,9 +1688,11 @@ static void edp_panel_off(struct intel_dp *intel_dp)
if (!is_edp(intel_dp))
return;
DRM_DEBUG_KMS("Turn eDP power off\n");
DRM_DEBUG_KMS("Turn eDP port %c panel power off\n",
port_name(dp_to_dig_port(intel_dp)->port));
WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
WARN(!intel_dp->want_panel_vdd, "Need eDP port %c VDD to turn off panel\n",
port_name(dp_to_dig_port(intel_dp)->port));
pp = ironlake_get_pp_control(intel_dp);
/* We need to switch off panel power _and_ force vdd, for otherwise some