[PATCH 08/11] drm/i915/display: Add PHY_CMN1_CONTROL register definitions

Jouni Högander jouni.hogander at intel.com
Fri May 2 08:58:59 UTC 2025


Add PHY_CMN1_CONTROL register and its definitions to configure port LFPS
sending.

Bspec: 68962
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
index 960f7f778fb81..94b6384cdf019 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
@@ -278,6 +278,9 @@
 #define PHY_CX0_TX_CONTROL(tx, control)	(0x400 + ((tx) - 1) * 0x200 + (control))
 #define   CONTROL2_DISABLE_SINGLE_TX	REG_BIT(6)
 
+#define PHY_CMN1_CONTROL(tx, control)	(0x800 + ((tx) - 1) * 0x200 + (control))
+#define   CONTROL0_MAC_TRANSMIT_LFPS	REG_BIT(1)
+
 /* C20 Registers */
 #define PHY_C20_WR_ADDRESS_L		0xC02
 #define PHY_C20_WR_ADDRESS_H		0xC03
-- 
2.43.0



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