Simplified pps_get_register() which use get_pps_idx() hook to derive the
pps instance and get_pps_idx() will be initialized at pps_init().
v1: Initial version. Got r-b from Jani.
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
.../gpu/drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/display/intel_pps.c | 15 ++++++++++-----
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 0da9b208d56e..b78b29951241 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1693,6 +1693,7 @@ struct intel_dp {
u8 (*preemph_max)(struct intel_dp *intel_dp);
u8 (*voltage_max)(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
+ int (*get_pps_idx)(struct intel_dp *intel_dp);
/* Displayport compliance testing */
struct intel_dp_compliance compliance;
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index 21944f5bf3a8..b972fa6ec00d 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -364,12 +364,10 @@ static void intel_pps_get_registers(struct intel_dp *intel_dp,
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
int pps_idx = 0;
- memset(regs, 0, sizeof(*regs));
+ if (intel_dp->get_pps_idx)
+ pps_idx = intel_dp->get_pps_idx(intel_dp);
- if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
- pps_idx = bxt_power_sequencer_idx(intel_dp);
- else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
- pps_idx = vlv_power_sequencer_pipe(intel_dp);
+ memset(regs, 0, sizeof(*regs));
regs->pp_ctrl = PP_CONTROL(pps_idx);
regs->pp_stat = PP_STATUS(pps_idx);
@@ -1432,6 +1430,13 @@ void intel_pps_init(struct intel_dp *intel_dp)
intel_dp->pps.initializing = true;
INIT_DELAYED_WORK(&intel_dp->pps.panel_vdd_work, edp_panel_vdd_work);
+ if (IS_GEMINILAKE(i915) || IS_BROXTON(i915))
+ intel_dp->get_pps_idx = bxt_power_sequencer_idx;
+ else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
+ intel_dp->get_pps_idx = vlv_power_sequencer_pipe;
+ else
+ intel_dp->get_pps_idx = NULL;
+
pps_init_timestamps(intel_dp);
with_intel_pps_lock(intel_dp, wakeref) {
--
2.29.0
