From: Arun R Murthy Date: Wed, 15 Apr 2026 04:39:52 +0000 (+0530) Subject: drm/i915/lt_phy: Update the Tx Swing for DP 1.4 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=81cb85cac649cc44a8cd80415626f1c36020cbbd;p=thirdparty%2Fkernel%2Flinux.git drm/i915/lt_phy: Update the Tx Swing for DP 1.4 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 Reviewed-by: Suraj Kandpal Signed-off-by: Suraj Kandpal Link: https://patch.msgid.link/20260415043952.3189598-1-arun.r.murthy@intel.com --- 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 } },