drm/i915/xe2lpd: Add display power well

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Add Display Power Well for Xe2_LPD. It's mostly the same as Xe_LPD+,
so reuse the code. PGPICA1 contains type-C capable port slices
which requires the well to power powered up, so add new power well
definition for it.

The DC_OFF fake power well will be added in a follow up commit.

v2: Do not rmw as bit 31 is the only R/W bit in the register (Matt Roper)

BSpec: 68886
Signed-off-by: Ravi Kumar Vodapalli <ravi.kumar.vodapalli@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919192128.2045154-20-lucas.demarchi@intel.com

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This commit is contained in:

Ravi Kumar Vodapalli 2023-09-19 12:21:26 -07:00 • committed by Lucas De Marchi

parent 394b4b7df9

commit c2d9d8e7ee

4 changed files with 82 additions and 1 deletions

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36

drivers/gpu/drm/i915/display/intel_display_power_map.c

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41

drivers/gpu/drm/i915/display/intel_display_power_well.c

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1

drivers/gpu/drm/i915/display/intel_display_power_well.h

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5

drivers/gpu/drm/i915/display/intel_dp_aux_regs.h

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