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From: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: ville.syrjala@linux.intel.com, arun.r.murthy@intel.com,
	jani.nikula@linux.intel.com, suraj.kandpal@intel.com,
	Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Subject: [PATCH v7 07/14] drm/i915/dip_regs: Add register definitions for common SDP Transmission Line
Date: Tue, 15 Sep 2026 22:16:48 +0530	[thread overview]
Message-ID: <20260915164657.3429075-8-ankit.k.nautiyal@intel.com> (raw)
In-Reply-To: <20260915164657.3429075-1-ankit.k.nautiyal@intel.com>

From: Arun R Murthy <arun.r.murthy@intel.com>

Add registers definitions for common SDP transmission line CMN_SDP_TL
and CMN_SDP_TL_STGR_CTL.

v2: Move all registers to intel_dip_regs.h (Ankit)

Bspec: 74384
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dip_regs.h | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dip_regs.h b/drivers/gpu/drm/i915/display/intel_dip_regs.h
index c4e1dab1ea46..d7e40a613913 100644
--- a/drivers/gpu/drm/i915/display/intel_dip_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_dip_regs.h
@@ -15,4 +15,24 @@
 #define   EMP_AS_SDP_DB_TL(db_transmit_line)	REG_FIELD_PREP(EMP_AS_SDP_DB_TL_MASK, \
 							       (db_transmit_line))
 
+/* COMMON SDP TRANSMISSION LINE */
+#define _CMN_SDP_TL_A			0x6020c
+#define CMN_SDP_TL(display, trans)	_MMIO_TRANS2(display, (trans), _CMN_SDP_TL_A)
+#define  TRANSMISSION_LINE_ENABLE	REG_BIT(31)
+#define  BASE_TRANSMISSION_LINE_MASK	REG_GENMASK(12, 0)
+#define  BASE_TRANSMISSION_LINE(x)	REG_FIELD_PREP(BASE_TRANSMISSION_LINE_MASK, x)
+
+#define _CMN_SDP_TL_STGR_CTL_A			0x60214
+#define CMN_SDP_TL_STGR_CTL(display, trans)	_MMIO_TRANS2(display, (trans), \
+							     _CMN_SDP_TL_STGR_CTL_A)
+#define  VSC_EXT_STAGGER_MASK			REG_GENMASK(11, 8)
+#define  VSC_EXT_STAGGER(x)			REG_FIELD_PREP(VSC_EXT_STAGGER_MASK, x)
+#define  VSC_EXT_STAGGER_DEFAULT		0x2
+#define  PPS_STAGGER_MASK			REG_GENMASK(7, 4)
+#define  PPS_STAGGER(x)				REG_FIELD_PREP(PPS_STAGGER_MASK, x)
+#define  PPS_STAGGER_DEFAULT			0x1
+#define  GMP_STAGGER_MASK			REG_GENMASK(3, 0)
+#define  GMP_STAGGER(x)				REG_FIELD_PREP(GMP_STAGGER_MASK, x)
+#define  GMP_STAGGER_DEFAULT			0x0
+
 #endif /* __INTEL_DIP_REGS_H__ */
-- 
2.50.1


  parent reply	other threads:[~2026-09-15 17:03 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-15 16:46 [PATCH v7 00/14] Add support for Common SDP Transmission Line Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 01/14] drm/i915/dip: Add new file to handle Data Island Packet hardware Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 02/14] drm/i915/vrr: Use the helper to write EMP_AS_SDP_TL register Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 03/14] drm/i915/intel_dip: Add check for DP encoder Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 04/14] drm/i915/dip: Add helper to get AS SDP Transmission Line Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 05/14] drm/i915/display: Add crtc state for DIP transmission lines Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 06/14] drm/i915/dip: Store and use AS SDP transmission line from crtc state Ankit Nautiyal
2026-09-15 17:22   ` sashiko-bot
2026-09-16  4:18     ` Nautiyal, Ankit K
2026-09-15 16:46 ` Ankit Nautiyal [this message]
2026-09-15 16:46 ` [PATCH v7 08/14] drm/i915/dip: Add HAS_COMMON_SDP_TL macro Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 09/14] drm/i915/dip: Store SDP transmission lines in crtc_state Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 10/14] drm/i915/dp: Introduce helpers to enable/disable CMN SDP Transmission line Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 11/14] drm/i915/dip: Enable Common " Ankit Nautiyal
2026-09-15 17:28   ` sashiko-bot
2026-09-16  4:19     ` Nautiyal, Ankit K
2026-09-15 16:46 ` [PATCH v7 12/14] drm/i915/dp: Account VSC SDP in min guardband Ankit Nautiyal
2026-09-16  2:41   ` Kandpal, Suraj
2026-09-15 16:46 ` [PATCH v7 13/14] drm/i915/dp: Adjust SDP guardband requirement for CMN_SDP_TL Ankit Nautiyal
2026-09-15 16:46 ` [PATCH v7 14/14] drm/i915/display: Dump DIP Transmission lines Ankit Nautiyal
2026-09-15 17:31 ` ✗ CI.checkpatch: warning for Add support for Common SDP Transmission Line (rev7) Patchwork
2026-09-15 17:33 ` ✓ CI.KUnit: success " Patchwork
2026-09-15 18:14 ` ✓ Xe.CI.BAT: " Patchwork
2026-09-15 23:50 ` ✓ Xe.CI.FULL: " Patchwork
2026-09-18  3:54 ` [PATCH v7 00/14] Add support for Common SDP Transmission Line Nautiyal, Ankit K

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