Re: [PATCH v7 00/15] drm/msm/dp: Prerequisite cleanup for upcoming MST support

[Yongxing Mou]

On 6/9/2026 5:46 PM, Yongxing Mou wrote:
> This series is the SST-only prerequisite portion of the MSM DP MST
> work. It refactors the existing DP code paths so that MST can
> plug in cleanly in a follow-up series, without bundling the cleanup
> with MST functionality in the same submission.
>
> SST behaviour is preserved end-to-end; no new functionality is added
> here. The intent is to land these refactors first to keep the
> follow-up MST series focused, smaller, and easier to review.
>
> Signed-off-by: Yongxing Mou <yongxing.mou@xxxxxxxxxxxxxxxx>
> ---
> Changes in v7:
> - patch 7: Use WARN_ON_ONCE() when pixel clock is already on. [Konrad]
> - Link to v6: https://lore.kernel.org/r/20260602-dp_mstclean-v6-0-2c17ff40a9b2@xxxxxxxxxxxxxxxx
>
> Changes in v6:
> - patch 4: fixed the RMW comments. [Dmitry]
> - patch 10: do not rename the existing struct. [Dmitry]
> - Link to v5: https://lore.kernel.org/r/20260528-dp_mstclean-v5-0-a9221c1f1f3b@xxxxxxxxxxxxxxxx
>
> Changes in v5:
> - Split out from v4: only the SST prerequisite cleanup (patches 1-15)
>    is sent here; the MST implementation will follow on top.
> - Rebased onto linux-next-20260527; adapted bridge callbacks to the
>    new drm_atomic_commit* API.
> - patch 3: added Suggested-by: Dmitry Baryshkov.
> - patch 4: fixed "splite" typo, reworded body, added RMW comment
>    covering both SST and MST paths. [Dmitry]
> - patch 10: drop cached panel from msm_dp_ctrl_private; pass panel
>    explicitly to all stream-related dp_ctrl APIs. [Dmitry]
> - patch 13/14: introduce bridge wrappers and atomic_prepare with
>    drm_atomic_commit* from the start to preserve bisectability.
> - patch 15: fixed pass panel inside the func. [Dmitry]
> - Link to v4: https://lore.kernel.org/all/20260410-msm-dp-mst-v4-0-b20518dea8de@xxxxxxxxxxxxxxxx/
>
> ---
> Abhinav Kumar (6):
>        drm/msm/dp: break up dp_display_enable into two parts
>        drm/msm/dp: re-arrange dp_display_disable() into functional parts
>        drm/msm/dp: allow dp_ctrl stream APIs to use any panel passed to it
>        drm/msm/dp: split dp_ctrl_off() into stream and link parts
>        drm/msm/dp: make bridge helpers use dp_display to allow re-use
>        drm/msm/dp: separate dp_display_prepare() into its own API
>
> Yongxing Mou (9):
>        drm/msm/dp: remove cached drm_edid from panel
>        drm/msm/dp: drop deprecated .mode_set() and use .atomic_enable
>        drm/msm/dp: move mode setup into msm_dp_panel_init_panel_info()
>        drm/msm/dp: split msm_dp_ctrl_config_ctrl() into link parts and stream parts
>        drm/msm/dp: extract MISC1_MISC0 configuration into a separate function
>        drm/msm/dp: split link setup from source params
>        drm/msm/dp: move the pixel clock control to its own API
>        drm/msm/dp: simplify link and clock disable sequence
>        drm/msm/dp: pass panel to display enable/disable helpers
>
>   drivers/gpu/drm/msm/dp/dp_ctrl.c    | 382 ++++++++++++++++++++----------------
>   drivers/gpu/drm/msm/dp/dp_ctrl.h    |  30 ++-
>   drivers/gpu/drm/msm/dp/dp_display.c | 273 +++++++++++++-------------
>   drivers/gpu/drm/msm/dp/dp_display.h |   8 +
>   drivers/gpu/drm/msm/dp/dp_drm.c     |  43 +++-
>   drivers/gpu/drm/msm/dp/dp_drm.h     |  12 --
>   drivers/gpu/drm/msm/dp/dp_panel.c   |  75 ++-----
>   drivers/gpu/drm/msm/dp/dp_panel.h   |  17 +-
>   8 files changed, 451 insertions(+), 389 deletions(-)
> ---
> base-commit: e7d700e14934e68f86338c5610cf2ae76798b663
> change-id: 20260528-dp_mstclean-f094cea8ca24
>
> Best regards,
Hi Dmitry, will this series be merged next cycle?