From 66354f7f12623c0b4a1fb57bee4aa99826dd9f0c Mon Sep 17 00:00:00 2001 From: Suraj Kandpal Date: Sat, 1 Nov 2025 08:54:50 +0530 Subject: [PATCH] drm/i915/cx0: Change register bit naming for powerdown values Change the register bit naming for powerdown values from CX0 to XELPDP so that it can be used with LT Phy too. Signed-off-by: Suraj Kandpal Reviewed-by: Arun R Murthy Link: https://patch.msgid.link/20251101032513.4171255-3-suraj.kandpal@intel.com --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 14 +++++++------- drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h | 10 +++++----- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index f57f6d90a9da9..71c8b29cb7c06 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2861,11 +2861,11 @@ static void intel_cx0_setup_powerdown(struct intel_encoder *encoder) intel_de_rmw(display, XELPDP_PORT_BUF_CTL2(display, port), XELPDP_POWER_STATE_READY_MASK, - XELPDP_POWER_STATE_READY(CX0_P2_STATE_READY)); + XELPDP_POWER_STATE_READY(XELPDP_P2_STATE_READY)); intel_de_rmw(display, XELPDP_PORT_BUF_CTL3(display, port), XELPDP_POWER_STATE_ACTIVE_MASK | XELPDP_PLL_LANE_STAGGERING_DELAY_MASK, - XELPDP_POWER_STATE_ACTIVE(CX0_P0_STATE_ACTIVE) | + XELPDP_POWER_STATE_ACTIVE(XELPDP_P0_STATE_ACTIVE) | XELPDP_PLL_LANE_STAGGERING_DELAY(0)); } @@ -2938,7 +2938,7 @@ static void intel_cx0_phy_lane_reset(struct intel_encoder *encoder, phy_name(phy), XELPDP_REFCLK_ENABLE_TIMEOUT_US); intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES, - CX0_P2_STATE_RESET); + XELPDP_P2_STATE_RESET); intel_cx0_setup_powerdown(encoder); intel_de_rmw(display, XELPDP_PORT_BUF_CTL2(display, port), lane_pipe_reset, 0); @@ -3043,7 +3043,7 @@ static void __intel_cx0pll_enable(struct intel_encoder *encoder, * TODO: For DP alt mode use only one lane. */ intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES, - CX0_P2_STATE_READY); + XELPDP_P2_STATE_READY); /* * 4. Program PORT_MSGBUS_TIMER register's Message Bus Timer field to 0xA000. @@ -3284,13 +3284,13 @@ static u8 cx0_power_control_disable_val(struct intel_encoder *encoder) struct intel_display *display = to_intel_display(encoder); if (intel_encoder_is_c10phy(encoder)) - return CX0_P2PG_STATE_DISABLE; + return XELPDP_P2PG_STATE_DISABLE; if ((display->platform.battlemage && encoder->port == PORT_A) || (DISPLAY_VER(display) >= 30 && encoder->type == INTEL_OUTPUT_EDP)) - return CX0_P2PG_STATE_DISABLE; + return XELPDP_P2PG_STATE_DISABLE; - return CX0_P4PG_STATE_DISABLE; + return XELPDP_P4PG_STATE_DISABLE; } static void intel_cx0pll_disable(struct intel_encoder *encoder) 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 86e2e1c7babfb..cd941f16529cd 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h @@ -149,11 +149,11 @@ #define XELPDP_PLL_LANE_STAGGERING_DELAY(val) REG_FIELD_PREP(XELPDP_PLL_LANE_STAGGERING_DELAY_MASK, val) #define XELPDP_POWER_STATE_ACTIVE_MASK REG_GENMASK(3, 0) #define XELPDP_POWER_STATE_ACTIVE(val) REG_FIELD_PREP(XELPDP_POWER_STATE_ACTIVE_MASK, val) -#define CX0_P0_STATE_ACTIVE 0x0 -#define CX0_P2_STATE_READY 0x2 -#define CX0_P2PG_STATE_DISABLE 0x9 -#define CX0_P4PG_STATE_DISABLE 0xC -#define CX0_P2_STATE_RESET 0x2 +#define XELPDP_P0_STATE_ACTIVE 0x0 +#define XELPDP_P2_STATE_READY 0x2 +#define XELPDP_P2PG_STATE_DISABLE 0x9 +#define XELPDP_P4PG_STATE_DISABLE 0xC +#define XELPDP_P2_STATE_RESET 0x2 #define _XELPDP_PORT_MSGBUS_TIMER_LN0_A 0x640d8 #define _XELPDP_PORT_MSGBUS_TIMER_LN0_B 0x641d8 -- 2.47.3