[PATCH v4 5/7] drm/i915/xe3lpd: Add new bit range of MAX swing setup

Matt Atwood matthew.s.atwood at intel.com
Fri Oct 18 20:03:09 UTC 2024


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>
---
 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



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