[PATCH 4/6] drm/i915/dp: Restore PPS HW state from the encoder resume hook

Imre Deak
2016-08-09T11:34:17Z

Similarly to the previous patch, initialize the PPS from the DP
encoder's resume hook. Note that as opposed to LVDS we can't do this
during encoder enabling, since we need the PPS for DP detection as well.

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4796ad7..76f5b72 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4665,6 +4665,9 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
*/
if (IS_VALLEYVIEW(encoder->dev) || IS_CHERRYVIEW(encoder->dev))
vlv_initial_power_sequencer_setup(intel_dp);
+ else
+ intel_dp_init_panel_power_sequencer_registers(encoder->dev,
+ intel_dp);

intel_edp_panel_vdd_sanitize(intel_dp);

--
2.5.0