From de15ecd0c7593a1f1a34ef1fdb568f2ccd3743bf Mon Sep 17 00:00:00 2001 From: jsg Date: Tue, 2 Jun 2026 03:50:47 +0000 Subject: [PATCH] drm/i915/dp: Fix readback for target_rr in Adaptive Sync SDP From Ankit Nautiyal ad8e3d096fa1e2f8b1009731c6e0cdae7ebedf79 in linux-6.18.y/6.18.34 f87abd0c6604fb6cc31cc86fc7ccc6a576924352 in mainline linux --- sys/dev/pci/drm/i915/display/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/pci/drm/i915/display/intel_dp.c b/sys/dev/pci/drm/i915/display/intel_dp.c index f5e664445a1..bc784a43547 100644 --- a/sys/dev/pci/drm/i915/display/intel_dp.c +++ b/sys/dev/pci/drm/i915/display/intel_dp.c @@ -4899,7 +4899,7 @@ int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp, as_sdp->length = sdp->sdp_header.HB3 & DP_ADAPTIVE_SYNC_SDP_LENGTH; as_sdp->mode = sdp->db[0] & DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE; as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1]; - as_sdp->target_rr = (u64)sdp->db[3] | ((u64)sdp->db[4] & 0x3); + as_sdp->target_rr = ((sdp->db[4] & 0x3) << 8) | sdp->db[3]; as_sdp->target_rr_divider = sdp->db[4] & 0x20 ? true : false; return 0;