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From: Arun R Murthy <arun.r.murthy@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: suraj.kandpal@intel.com, Arun R Murthy <arun.r.murthy@intel.com>
Subject: [PATCHv2] drm/i915/lt_phy: Update the Tx Swing for DP 1.4
Date: Wed, 15 Apr 2026 10:09:52 +0530	[thread overview]
Message-ID: <20260415043952.3189598-1-arun.r.murthy@intel.com> (raw)

Changes have been introduced in Bspec regarding the Tx Swing level,
Tx pre/post coefficients. Update the Tx Swing Level and the Tx
pre/post-cursor co-effecients to incorporate these changes

v2: Updated the commit message (Suraj)

BSpec: 74493
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
index 395dba8c9e4d..980ab19868b3 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -1123,8 +1123,8 @@ static const union intel_ddi_buf_trans_entry _xe3plpd_lt_trans_dp14[] = {
 	{ .lt = { 1, 2, 0, 28, 7  } },
 	{ .lt = { 0, 3, 0, 35, 13 } },
 	{ .lt = { 1, 1, 0, 27, 0  } },
-	{ .lt = { 1, 2, 0, 31, 4  } },
-	{ .lt = { 0, 3, 0, 39, 9  } },
+	{ .lt = { 1, 2, 0, 31, 5  } },
+	{ .lt = { 0, 3, 0, 37, 11 } },
 	{ .lt = { 1, 2, 0, 35, 0  } },
 	{ .lt = { 0, 3, 0, 41, 7  } },
 	{ .lt = { 0, 3, 0, 48, 0  } },
-- 
2.25.1


             reply	other threads:[~2026-04-15  4:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-15  4:39 Arun R Murthy [this message]
2026-04-15  5:43 ` ✓ i915.CI.BAT: success for drm/i915/lt_phy: Update the Tx Swing for DP 1.4 (rev2) Patchwork
2026-04-15  8:06 ` ✗ i915.CI.Full: failure " Patchwork

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