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authorSuraj Kandpal <suraj.kandpal@intel.com>2026-08-11 23:28:44 +0530
committerRodrigo Vivi <rodrigo.vivi@intel.com>2026-08-12 13:27:23 -0400
commit266ebacffc5809478a2e80d61ddc58c921dbe2b4 (patch)
tree86c380f13e2014e4b28e5e01124493b7b5eca1bf /scripts
parent076c7771ddc6cb3b59029324bb658ae7ef4af1d0 (diff)
downloadlinux-next-266ebacffc5809478a2e80d61ddc58c921dbe2b4.tar.gz
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drm/i915/lt_phy: program DDI_CLK_VALFREQ with DDI clock frequency
DDI_CLK_VALFREQ is programmed with the port clock, which for DP is the symbol clock computed assuming 8b/10b encoding (link_rate / 10). For DP 128b/132b (UHBR) rates and for HDMI FRL the port clock needs to be modified. DDI_CLK_VALFREQ does not have any functional impact on H/w, it only records the frequency S/w intends to set. Use intel_ddi_link_symbol_clock() to write the correct DDI clock in kHz Fixes: 5ec58d714935 ("drm/i915/lt_phy: Add .enable_clock hook on DDI") Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patch.msgid.link/20260811175844.2613721-4-suraj.kandpal@intel.com (cherry picked from commit eaed815ca3483c227e4ec80b86d1b3ce5c2508be) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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