drm/i915: Replace big nested if block with early return

Looks nicer.

Not functional change.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: Add "No functional change" as requested by Jani.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-08-18 22:16:01 +03:00 committed by Daniel Vetter
parent 72c3500ac4
commit be2c9196e4

View file

@ -1232,38 +1232,38 @@ static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_digital_port *intel_dig_port =
dp_to_dig_port(intel_dp);
struct intel_encoder *intel_encoder = &intel_dig_port->base;
enum intel_display_power_domain power_domain;
u32 pp;
u32 pp_stat_reg, pp_ctrl_reg;
WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
if (!intel_dp->want_panel_vdd && edp_have_panel_vdd(intel_dp)) {
struct intel_digital_port *intel_dig_port =
dp_to_dig_port(intel_dp);
struct intel_encoder *intel_encoder = &intel_dig_port->base;
enum intel_display_power_domain power_domain;
if (intel_dp->want_panel_vdd || !edp_have_panel_vdd(intel_dp))
return;
DRM_DEBUG_KMS("Turning eDP VDD off\n");
DRM_DEBUG_KMS("Turning eDP VDD off\n");
pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_FORCE_VDD;
pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_FORCE_VDD;
pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
pp_stat_reg = _pp_stat_reg(intel_dp);
pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
pp_stat_reg = _pp_stat_reg(intel_dp);
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);
/* Make sure sequencer is idle before allowing subsequent activity */
DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n",
I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg));
/* Make sure sequencer is idle before allowing subsequent activity */
DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n",
I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg));
if ((pp & POWER_TARGET_ON) == 0)
intel_dp->last_power_cycle = jiffies;
if ((pp & POWER_TARGET_ON) == 0)
intel_dp->last_power_cycle = jiffies;
power_domain = intel_display_port_power_domain(intel_encoder);
intel_display_power_put(dev_priv, power_domain);
}
power_domain = intel_display_port_power_domain(intel_encoder);
intel_display_power_put(dev_priv, power_domain);
}
static void edp_panel_vdd_work(struct work_struct *__work)