[PATCH v4 5/7] drm/i915/xe3lpd: Add new bit range of MAX swing setup
Matt Roper
matthew.d.roper at intel.com
Fri Oct 18 23:38:55 UTC 2024
On Fri, Oct 18, 2024 at 01:03:09PM -0700, Matt Atwood wrote:
> From: Suraj Kandpal <suraj.kandpal at intel.com>
>
> Add new bit range for Max PHY Swing Setup in PORT_ALPM_CTL
> register for DISPLAY_VER >= 30.
>
> v2: implement as two seperate macros instead of a single macro
> v3: extend previous definition by 2 bits that were previously reserved
>
> Bspec: 70277
> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_psr_regs.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_psr_regs.h b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> index 0841242543ca..9ad7611506e8 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_psr_regs.h
> @@ -298,7 +298,7 @@
> #define _PORT_ALPM_CTL_B 0x16fc2c
> #define PORT_ALPM_CTL(port) _MMIO_PORT(port, _PORT_ALPM_CTL_A, _PORT_ALPM_CTL_B)
> #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_MASK REG_GENMASK(25, 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)
> --
> 2.45.0
>
--
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation
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