From 05c6e98dc1891215cac6f9ed239e564812bd3188 Mon Sep 17 00:00:00 2001 From: Rahul Rameshbabu Date: Tue, 11 Nov 2025 12:36:47 -0800 Subject: [PATCH 4/4] nvkms: Limit default maximum TMDS character rate to 340MHz instead of 165MHz This will prevent pre-mature mode invalidation on a wider range of monitors. Signed-off-for-open-source-by: rrameshbabu reviewed by lkrishnan, mtijanic --- src/nvidia-modeset/src/nvkms-dpy.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/nvidia-modeset/src/nvkms-dpy.c b/src/nvidia-modeset/src/nvkms-dpy.c index bbdf4df50d85..afc9f3c030aa 100644 --- a/src/nvidia-modeset/src/nvkms-dpy.c +++ b/src/nvidia-modeset/src/nvkms-dpy.c @@ -914,8 +914,7 @@ void nvDpyProbeMaxPixelClock(NVDpyEvoPtr pDpyEvo) if (pParsedEdid->valid) { const NVT_EDID_INFO *pEdidInfo = &pParsedEdid->info; - /* Default Maximum HDMI TMDS character rate is 165MHz. */ - NvU32 maxTmdsCharRate = 33; + NvU32 maxTmdsCharRate = 68; if (pEdidInfo->ext861.valid.H20_HF_VSDB && (pEdidInfo->hdmiForumInfo.max_TMDS_char_rate > 0)) { -- 2.51.2