summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/display/intel_pps.c
diff options
context:
space:
mode:
authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-05-10 13:42:34 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2022-05-27 20:26:05 +0300
commit8e75e8f573e1ff4a0c93c3be1554d2bfd5ae6029 (patch)
tree3277cd6ed89e4774c44178ea2f1a9bf2e6f0bf8d /drivers/gpu/drm/i915/display/intel_pps.c
parent586294c3c1860ac991d3a241159c0edf974b68e4 (diff)
downloadlinux-8e75e8f573e1ff4a0c93c3be1554d2bfd5ae6029.tar.bz2
drm/i915/pps: Split PPS init+sanitize in two
Split the PPS init to something we do at the start of the eDP probe and a second part we do at the end. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-8-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_pps.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index f85dbd47eb60..b8053897dc68 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -1051,7 +1051,7 @@ void vlv_pps_init(struct intel_encoder *encoder,
pps_init_registers(intel_dp, true);
}
-static void intel_pps_vdd_sanitize(struct intel_dp *intel_dp)
+static void pps_vdd_init(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
@@ -1072,8 +1072,6 @@ static void intel_pps_vdd_sanitize(struct intel_dp *intel_dp)
drm_WARN_ON(&dev_priv->drm, intel_dp->pps.vdd_wakeref);
intel_dp->pps.vdd_wakeref = intel_display_power_get(dev_priv,
intel_aux_power_domain(dig_port));
-
- edp_panel_vdd_schedule_off(intel_dp);
}
bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp)
@@ -1409,18 +1407,40 @@ void intel_pps_encoder_reset(struct intel_dp *intel_dp)
pps_init_delays(intel_dp);
pps_init_registers(intel_dp, false);
+ pps_vdd_init(intel_dp);
- intel_pps_vdd_sanitize(intel_dp);
+ if (edp_have_panel_vdd(intel_dp))
+ edp_panel_vdd_schedule_off(intel_dp);
}
}
void intel_pps_init(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ intel_wakeref_t wakeref;
+
INIT_DELAYED_WORK(&intel_dp->pps.panel_vdd_work, edp_panel_vdd_work);
pps_init_timestamps(intel_dp);
- intel_pps_encoder_reset(intel_dp);
+ with_intel_pps_lock(intel_dp, wakeref) {
+ if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
+ vlv_initial_power_sequencer_setup(intel_dp);
+
+ pps_init_delays(intel_dp);
+ pps_init_registers(intel_dp, false);
+ pps_vdd_init(intel_dp);
+ }
+}
+
+void intel_pps_init_late(struct intel_dp *intel_dp)
+{
+ intel_wakeref_t wakeref;
+
+ with_intel_pps_lock(intel_dp, wakeref) {
+ if (edp_have_panel_vdd(intel_dp))
+ edp_panel_vdd_schedule_off(intel_dp);
+ }
}
void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv)