Anusha Srivatsa d7b0c03196 drm/i915/dp: Fix readback for target_rr in Adaptive Sync SDP
JIRA: https://issues.redhat.com/browse/RHEL-180329

commit 3cc3c70770eef8d1f7263923b62c995d5c7bca6f
Author: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Date:   Mon May 11 18:02:15 2026 +0530

    drm/i915/dp: Fix readback for target_rr in Adaptive Sync SDP

    [ Upstream commit f87abd0c6604fb6cc31cc86fc7ccc6a576924352 ]

    Correct the bit-shift logic to properly readback the 10 bit target_rr from
    DB3 and DB4.

    v2: Align the style with readback for vtotal. (Ville)

    Fixes: 12ea89291603 ("drm/i915/dp: Add Read/Write support for Adaptive Sync SDP")
    Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
    Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
    Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
    Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
    Link: https://patch.msgid.link/20260511123218.1589830-2-ankit.k.nautiyal@intel.com
    (cherry picked from commit f7abc4af2b19240a145a221461dfe756cc01d74a)
    Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
2026-08-03 14:53:50 -05:00
2026-07-28 15:13:44 +00:00

Linux kernel
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