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drm/i915/mtl: Power up TCSS

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Add register writes to enable powering up Type-C subsystem i.e. TCSS.
For MeteorLake we need to request TCSS to power up and check the TCSS
power state after 500 us.

In addition, for PICA we need to set/clear the Type-C PHY ownnership
bit when Type-C device is connected/disconnected.

Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428095433.4109054-11-mika.kahola@intel.com
This commit is contained in:
Mika Kahola
2023-04-28 12:54:30 +03:00
committed by Radhakrishna Sripada
parent c0f3faaf93
commit 6f0423b06a
5 changed files with 217 additions and 10 deletions
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1
drivers/gpu/drm/i915/display/intel_ddi.c
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@@ -4784,6 +4784,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
if (DISPLAY_VER(dev_priv) >= 14) {
encoder->enable_clock = intel_mtl_pll_enable;
encoder->disable_clock = intel_mtl_pll_disable;
encoder->port_pll_type = intel_mtl_port_pll_type;
encoder->get_config = mtl_ddi_get_config;
} else if (IS_DG2(dev_priv)) {
encoder->enable_clock = intel_mpllb_enable;