From: Suraj Kandpal Date: Sat, 1 Nov 2025 03:24:49 +0000 (+0530) Subject: drm/i915/ltphy: Add LT Phy related VDR and Pipe Registers X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cff042eefe1a3583b890f66fb8f34f2f85b5b827;p=thirdparty%2Fkernel%2Flinux.git drm/i915/ltphy: Add LT Phy related VDR and Pipe Registers Add LT Phy related VDR and pipe registers into its own new file. Bspec: 74500 Signed-off-by: Suraj Kandpal Reviewed-by: Arun R Murthy Link: https://patch.msgid.link/20251101032513.4171255-2-suraj.kandpal@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h b/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h new file mode 100644 index 0000000000000..6eaa038bf6849 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: MIT + * + * Copyright © 2025 Intel Corporation + */ + +#ifndef __INTEL_LT_PHY_REGS_H__ +#define __INTEL_LT_PHY_REGS_H__ + +/* LT Phy Vendor Register */ +#define LT_PHY_VDR_0_CONFIG 0xC02 +#define LT_PHY_VDR_DP_PLL_ENABLE REG_BIT(7) +#define LT_PHY_VDR_1_CONFIG 0xC03 +#define LT_PHY_VDR_RATE_ENCODING_MASK REG_GENMASK8(6, 3) +#define LT_PHY_VDR_MODE_ENCODING_MASK REG_GENMASK8(2, 0) +#define LT_PHY_VDR_2_CONFIG 0xCC3 + +#define LT_PHY_VDR_X_ADDR_MSB(idx) (0xC04 + 0x6 * (idx)) +#define LT_PHY_VDR_X_ADDR_LSB(idx) (0xC05 + 0x6 * (idx)) + +#define LT_PHY_VDR_X_DATAY(idx, y) ((0xC06 + (3 - (y))) + 0x6 * (idx)) + +#define LT_PHY_RATE_UPDATE 0xCC4 + +#endif /* __INTEL_LT_PHY_REGS_H__ */