drm/i915/xe3lpd: Add new bit range of MAX swing setup

Add new bit range for Max PHY Swing Setup in PORT_ALPM_CTL
register for DISPLAY_VER >= 30.

v2: implement as two separate 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@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241018200311.67324-6-matthew.s.atwood@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_psr_regs.h b/drivers/gpu/drm/i915/display/intel_psr_regs.h
index 0841242..9ad7611 100644 (file)
--- 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)