class MbusUtilityBoxControl

Defined at line 710 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

MBUS_UBOX_CTL (MBus UBox Control)

Does not exist on Kaby Lake or Skylake, which don't have MBus.

All reserved bits in this register are MBZ (must be zero). So, the register

can be safely updated without reading it first.

Tiger Lake: IHD-OS-TGL-Vol 2c-1.22-Rev2.0 Part 2 pages 14-15

DG1: IHD-OS-DG1-Vol 2c-2.21 Part 2 pages 14-15

Public Members

 field_enabled_713

 field_ring_stop_address_716

 field_RsvdZ_718

 field_max_back_to_back_transactions_726

 field_back_to_back_transaction_delay_729

 field_back_to_back_transactions_regulation_enabled_732

 field_RsvdZ_734

 field_arbiter_read_credits_740

 field_RsvdZ_742

 field_display_buffer_read_credits_745

Public Methods

template <, >

typename SelfType::ValueType enabled ()

Read-only status bit.

Defined at line 713 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_enabled (typename SelfType::ValueType val)

Read-only status bit.

Defined at line 713 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType ring_stop_address ()

Read-only address of the box in the ring.

Defined at line 716 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_ring_stop_address (typename SelfType::ValueType val)

Read-only address of the box in the ring.

Defined at line 716 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType max_back_to_back_transactions ()

Ignored if `back_to_back_transactions_regulation_enabled` is false.

Used in conjunction with `back_to_back_transaction_delay` to limit the

number of back-to-back transactions sent from this box.

Zero is not a valid value.

Defined at line 726 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_max_back_to_back_transactions (typename SelfType::ValueType val)

Ignored if `back_to_back_transactions_regulation_enabled` is false.

Used in conjunction with `back_to_back_transaction_delay` to limit the

number of back-to-back transactions sent from this box.

Zero is not a valid value.

Defined at line 726 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType back_to_back_transaction_delay ()

Number of wait cycles after `max_back_to_back_transactions` is hit.

Defined at line 729 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_back_to_back_transaction_delay (typename SelfType::ValueType val)

Number of wait cycles after `max_back_to_back_transactions` is hit.

Defined at line 729 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType back_to_back_transactions_regulation_enabled ()

If true, B2B (back-to-back) transaction regulation fields are in effect.

Defined at line 732 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_back_to_back_transactions_regulation_enabled (typename SelfType::ValueType val)

If true, B2B (back-to-back) transaction regulation fields are in effect.

Defined at line 732 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType arbiter_read_credits ()

A credits used by KVM to make requests to the Arbiter.

These credits are used by the KVM functionality in the CSME (Converged

Security and Management Engine).

Defined at line 740 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_arbiter_read_credits (typename SelfType::ValueType val)

A credits used by KVM to make requests to the Arbiter.

These credits are used by the KVM functionality in the CSME (Converged

Security and Management Engine).

Defined at line 740 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

typename SelfType::ValueType display_buffer_read_credits ()

B credits used by VGA to read from DBUF (Display Buffer).

Defined at line 745 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

template <, >

SelfType & set_display_buffer_read_credits (typename SelfType::ValueType val)

B credits used by VGA to read from DBUF (Display Buffer).

Defined at line 745 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h

hwreg::RegisterAddr<MbusUtilityBoxControl> Get ()

Defined at line 747 of file ../../src/graphics/display/drivers/intel-display/registers-arbiter.h