RE: [PATCH v3 1/4] drm/i915/alpm: Add ALPM register definitions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> -----Original Message-----
> From: Hogander, Jouni <jouni.hogander@xxxxxxxxx>
> Sent: Tuesday, January 30, 2024 4:41 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Murthy, Arun R <arun.r.murthy@xxxxxxxxx>; Hogander, Jouni
> <jouni.hogander@xxxxxxxxx>; Nikula, Jani <jani.nikula@xxxxxxxxx>
> Subject: [PATCH v3 1/4] drm/i915/alpm: Add ALPM register definitions
> 
> Add ALPM register definitions for Lunar Lake.
> 
> v3:
>   - Fix ALPM_CTL2_A address
>   - Remove duplicate defines
> v2:
>   - Use REG_BIT instead of BIT
>   - Add commit message
> 
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> 
> Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
> ---
Reviewed-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx>

Thanks and Regards,
Arun R Murthy
--------------------
>  drivers/gpu/drm/i915/display/intel_psr_regs.h | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr_regs.h
> b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> index bc252f38239e..8427a736f639 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> @@ -296,4 +296,61 @@
> 
> _SEL_FETCH_PLANE_OFFSET_1_A - \
> 
> _SEL_FETCH_PLANE_BASE_1_A)
> 
> +#define _ALPM_CTL_A	0x60950
> +#define ALPM_CTL(tran)	_MMIO_TRANS2(tran, _ALPM_CTL_A)
> +#define  ALPM_CTL_ALPM_ENABLE				REG_BIT(31)
> +#define  ALPM_CTL_ALPM_AUX_LESS_ENABLE			REG_BIT(30)
> +#define  ALPM_CTL_LOBF_ENABLE				REG_BIT(29)
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE		REG_BIT(28)
> +#define  ALPM_CTL_KEEP_FEC_ENABLE_FOR_AUX_WAKE_SLEEP	REG_BIT(27)
> +#define  ALPM_CTL_RESTORE_OCCURED			REG_BIT(26)
> +#define  ALPM_CTL_RESTORE_TO_SLEEP			REG_BIT(25)
> +#define  ALPM_CTL_RESTORE_TO_DEEP_SLEEP			REG_BIT(24)
> +#define  ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_MASK
> 	REG_GENMASK(23, 21)
> +#define  ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_50_SYMBOLS
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_MASK, 0)
> +#define  ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_128_SYMBOLS
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_MASK, 1)
> +#define  ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_256_SYMBOLS
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_MASK, 2)
> +#define  ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_512_SYMBOLS
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_MASK, 3)
> +#define  ALPM_CTL_AUX_WAKE_SLEEP_HOLD_ENABLE		REG_BIT(20)
> +#define  ALPM_CTL_ALPM_ENTRY_CHECK_MASK
> 	REG_GENMASK(19, 16)
> +#define  ALPM_CTL_ALPM_ENTRY_CHECK(val)
> 	REG_FIELD_PREP(ALPM_CTL_ALPM_ENTRY_CHECK_MASK, val)
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_TIME_MASK
> 	REG_GENMASK(13, 8)
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_MIN_LINES		5
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_TIME(lines)
> 	REG_FIELD_PREP(ALPM_CTL_EXTENDED_FAST_WAKE_TIME_MASK,
> (lines) - ALPM_CTL_EXTENDED_FAST_WAKE_MIN_LINES)
> +#define  ALPM_CTL_AUX_LESS_WAKE_TIME_MASK
> 	REG_GENMASK(5, 0)
> +#define  ALPM_CTL_AUX_LESS_WAKE_TIME(val)
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_WAKE_TIME_MASK, val)
> +
> +#define _ALPM_CTL2_A	0x60954
> +#define ALPM_CTL2(tran)	_MMIO_TRANS2(tran, _ALPM_CTL2_A)
> +#define  ALPM_CTL2_SWITCH_TO_ACTIVE_LATENCY_MASK
> 	REG_GENMASK(28, 24)
> +#define  ALPM_CTL2_SWITCH_TO_ACTIVE_LATENCY(val)
> 	REG_FIELD_PREP(ALPM_CTL2_SWITCH_TO_ACTIVE_LATENCY_MASK,
> val)
> +#define  ALPM_CTL2_AUX_LESS_WAKE_TIME_EXTENSION_MASK
> 	REG_GENMASK(19, 16)
> +#define  ALPM_CTL2_AUX_LESS_WAKE_TIME_EXTENSION(val)
> 	REG_FIELD_PREP(ALPM_CTL2_AUX_LESS_WAKE_TIME_EXTENSION_MA
> SK, val)
> +#define  ALPM_CTL2_NUMBER_OF_LTTPR_MASK
> 	REG_GENMASK(15, 12)
> +#define  ALPM_CTL2_NUMBER_OF_LTTPR(val)
> 	REG_FIELD_PREP(ALPM_CTL2_NUMBER_OF_LTTPR_MASK, val)
> +#define  ALPM_CTL2_LTTPR_AUX_LESS_SLEEP_HOLD_TIME_MASK
> 	REG_GENMASK(10, 8)
> +#define  ALPM_CTL2_LTTPR_AUX_LESS_SLEEP_HOLD_TIME(val)
> 	REG_FIELD_PREP(ALPM_CTL2_LTTPR_AUX_LESS_SLEEP_HOLD_TIME_M
> ASK, val)
> +#define  ALPM_CTL2_FEC_DECODE_EN_POSITION_AFTER_WAKE_SR
> 	REG_BIT(4)
> +#define
> ALPM_CTL2_NUMBER_AUX_LESS_ML_PHY_SLEEP_SEQUENCES_MASK
> 	REG_GENMASK(2, 0)
> +#define  ALPM_CTL2_NUMBER_AUX_LESS_ML_PHY_SLEEP_SEQUENCES(val)
> 	REG_FIELD_PREP(ALPM_CTL2_NUMBER_AUX_LESS_ML_PHY_SLEEP_SE
> QUENCES_MASK, val)
> +
> +#define _PORT_ALPM_CTL_A			0x16fa2c
> +#define PORT_ALPM_CTL(tran)			_MMIO_TRANS2(tran,
> _PORT_ALPM_CTL_A)
> +#define  PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE	REG_BIT(31)
> +#define  PORT_ALPM_CTL_MAX_PHY_SWING_SETUP_MASK
> 	REG_GENMASK(23, 20)
> +#define  PORT_ALPM_CTL_MAX_PHY_SWING_SETUP(val)
> 	REG_FIELD_PREP(PORT_ALPM_CTL_MAX_PHY_SWING_SETUP_MASK,
> val)
> +#define  PORT_ALPM_CTL_MAX_PHY_SWING_HOLD_MASK
> 	REG_GENMASK(19, 16)
> +#define  PORT_ALPM_CTL_MAX_PHY_SWING_HOLD(val)
> 	REG_FIELD_PREP(PORT_ALPM_CTL_MAX_PHY_SWING_HOLD_MASK,
> val)
> +#define  PORT_ALPM_CTL_SILENCE_PERIOD_MASK	REG_GENMASK(7, 0)
> +#define  PORT_ALPM_CTL_SILENCE_PERIOD(val)
> 	REG_FIELD_PREP(PORT_ALPM_CTL_SILENCE_PERIOD_MASK, val)
> +
> +#define _PORT_ALPM_LFPS_CTL_A
> 	0x16fa30
> +#define PORT_ALPM_LFPS_CTL(tran)
> 	_MMIO_TRANS2(tran, _PORT_ALPM_LFPS_CTL_A)
> +#define  PORT_ALPM_LFPS_CTL_LFPS_START_POLARITY
> 	REG_BIT(31)
> +#define  PORT_ALPM_LFPS_CTL_LFPS_CYCLE_COUNT_MASK
> 	REG_GENMASK(27, 24)
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_MIN_LINES		5
> +#define  ALPM_CTL_EXTENDED_FAST_WAKE_TIME(lines)
> 	REG_FIELD_PREP(ALPM_CTL_EXTENDED_FAST_WAKE_TIME_MASK,
> (lines) - ALPM_CTL_EXTENDED_FAST_WAKE_MIN_LINES)
> +#define  ALPM_CTL_AUX_LESS_WAKE_TIME_MASK
> 	REG_GENMASK(5, 0)
> +#define  ALPM_CTL_AUX_LESS_WAKE_TIME(val)
> 	REG_FIELD_PREP(ALPM_CTL_AUX_LESS_WAKE_TIME_MASK, val)
> +
>  #endif /* __INTEL_PSR_REGS_H__ */
> --
> 2.34.1





[Index of Archives]     [AMD Graphics]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux