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authorAlexey Minnekhanov <alexeymin@postmarketos.org>2025-11-16 04:12:35 +0300
committerBjorn Andersson <andersson@kernel.org>2026-01-03 12:42:37 -0600
commit0c1d1591f898d54eaa4c8f2a1535ab21bf4e42e4 (patch)
tree3f0cc096d910785f303cae3c3e3220a44960ea5c /tools/perf/lib/Documentation/tutorial/git@git.tavy.me:linux.git
parent60fb18fbc234efb2d59472a889282dba2df3402a (diff)
arm64: dts: qcom: sdm630: Add missing MDSS reset
If the OS does not support recovering the state left by the bootloader it needs a way to reset display hardware, so that it can start from a clean state. Add a reference to the relevant reset. It fixes display init issue appeared in Linux v6.17: without reset device boots into black screen and you need to turn display off/on to "fix" it. Also sometimes it can boot into solid blue color with these messages in kernel log: hw recovery is not complete for ctl:2 [drm:dpu_encoder_phys_vid_prepare_for_kickoff:569] [dpu error]enc33 intf1 ctl 2 reset failure: -22 [drm:dpu_encoder_frame_done_timeout:2727] [dpu error]enc33 frame done timeout Fixes: 0e789b491ba0 ("pmdomain: core: Leave powered-on genpds on until sync_state") Cc: stable@vger.kernel.org # 6.17 Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Link: https://lore.kernel.org/r/20251116-sdm660-mdss-reset-v2-3-6219bec0a97f@postmarketos.org Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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