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drm/i915/lt_phy: Update the Tx Swing for DP 1.4

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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>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260415043952.3189598-1-arun.r.murthy@intel.com
This commit is contained in:
Arun R Murthy 2026-04-15 10:09:52 +05:30 committed by Suraj Kandpal
parent 9fce8ff956
commit 81cb85cac6
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
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@ -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 } },