From a1792df698d4ef32fb39a259e37daab9646c4fe4 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Wed, 15 Oct 2025 15:54:42 +0300 Subject: [PATCH] drm/i915/display: Sanitize PHY_C20_VDR_CUSTOM_SERDES_RATE/CONTEXT_TOGGLE flag macro Move the PHY_C20_CONTEXT_TOGGLE flag's definition under the register containing the flag and refer to the flag always by its name instead of a plain bit number. v2: Amend commit log to match what the patch does. (Jani) Cc: Jani Nikula Reviewed-by: Luca Coelho Signed-off-by: Imre Deak Signed-off-by: Mika Kahola Link: https://lore.kernel.org/r/20251015125446.3931198-4-mika.kahola@intel.com --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 6 ++++-- drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 9492661f1645c..a7aee098e7b9a 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2628,7 +2628,8 @@ static void intel_c20_pll_program(struct intel_display *display, int i; /* 1. Read current context selection */ - cntx = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) & BIT(0); + cntx = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) & + PHY_C20_CONTEXT_TOGGLE; /* * 2. If there is a protocol switch from HDMI to DP or vice versa, clear @@ -2719,7 +2720,8 @@ static void intel_c20_pll_program(struct intel_display *display, * the updated programming toggle context bit */ intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE, - BIT(0), cntx ? 0 : 1, MB_WRITE_COMMITTED); + PHY_C20_CONTEXT_TOGGLE, cntx ? 0 : PHY_C20_CONTEXT_TOGGLE, + MB_WRITE_COMMITTED); } static int intel_c10pll_calc_port_clock(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 ad2f7fb3beaec..5bd1e02b53139 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h @@ -301,8 +301,8 @@ #define PHY_C20_IS_DP REG_BIT8(6) #define PHY_C20_DP_RATE_MASK REG_GENMASK8(4, 1) #define PHY_C20_DP_RATE(val) REG_FIELD_PREP8(PHY_C20_DP_RATE_MASK, val) -#define PHY_C20_VDR_HDMI_RATE 0xD01 #define PHY_C20_CONTEXT_TOGGLE REG_BIT8(0) +#define PHY_C20_VDR_HDMI_RATE 0xD01 #define PHY_C20_VDR_CUSTOM_WIDTH 0xD02 #define PHY_C20_CUSTOM_WIDTH_MASK REG_GENMASK(1, 0) #define PHY_C20_CUSTOM_WIDTH(val) REG_FIELD_PREP8(PHY_C20_CUSTOM_WIDTH_MASK, val) -- 2.47.3