Re: [PATCH v12 00/14] Add PSR support for eDP

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On 30/01/2023 17:11, Vinod Polimera wrote:
Changes in v2:
   - Use dp bridge to set psr entry/exit instead of dpu_enocder.
   - Don't modify whitespaces.
   - Set self refresh aware from atomic_check.
   - Set self refresh aware only if psr is supported.
   - Provide a stub for msm_dp_display_set_psr.
   - Move dp functions to bridge code.

Changes in v3:
   - Change callback names to reflect atomic interfaces.
   - Move bridge callback change to separate patch as suggested by Dmitry.
   - Remove psr function declaration from msm_drv.h.
   - Set self_refresh_aware flag only if psr is supported.
   - Modify the variable names to simpler form.
   - Define bit fields for PSR settings.
   - Add comments explaining the steps to enter/exit psr.
   - Change DRM_INFO to drm_dbg_db.

Changes in v4:
   - Move the get crtc functions to drm_atomic.
   - Add atomic functions for DP bridge too.
   - Add ternary operator to choose eDP or DP ops.
   - Return true/false instead of 1/0.
   - mode_valid missing in the eDP bridge ops.
   - Move the functions to get crtc into drm_atomic.c.
   - Fix compilation issues.
   - Remove dpu_assign_crtc and get crtc from drm_enc instead of dpu_enc.
   - Check for crtc state enable while reserving resources.

Changes in v5:
   - Move the mode_valid changes into a different patch.
   - Complete psr_op_comp only when isr is set.
   - Move the DP atomic callback changes to a different patch.
   - Get crtc from drm connector state crtc.
   - Move to separate patch for check for crtc state enable while
reserving resources.

Changes in v6:
   - Remove crtc from dpu_encoder_virt struct.
   - fix crtc check during vblank toggle crtc.
   - Misc changes.

Changes in v7:
   - Add fix for underrun issue on kasan build.

Changes in v8:
   - Drop the enc spinlock as it won't serve any purpose in
protetcing conn state.(Dmitry/Doug)

Changes in v9:
   - Update commit message and fix alignment using spaces.(Marijn)
   - Misc changes.(Marijn)

Changes in v10:
   - Get crtc cached in dpu_enc during obj init.(Dmitry)

Changes in v11:
   - Remove crtc cached in dpu_enc during obj init.
   - Update dpu_enc crtc state on crtc enable/disable during self refresh.

Changes in v12:
   - Update sc7180 intf mask to get intf timing gen status
based on DPU_INTF_STATUS_SUPPORTED bit.(Dmitry)
   - Remove "clear active interface in the datapath cleanup" change
as it is already included.
   - Move core changes to top of the series.(Dmitry)

Unfortunately they still are not at the top.


Sankeerth Billakanti (1):
   drm/msm/dp: disable self_refresh_aware after entering psr

Vinod Polimera (13):
   drm/msm/disp/dpu: check for crtc enable rather than crtc active to
     release shared resources
   drm/msm/disp/dpu: get timing engine status from intf status register
   drm/msm/disp/dpu: wait for extra vsync till timing engine status is
     disabled
   drm/msm/disp/dpu: reset the datapath after timing engine disable
   drm: add helper functions to retrieve old and new crtc
   drm/msm/dp: use atomic callbacks for DP bridge ops
   drm/msm/dp: Add basic PSR support for eDP
   drm/msm/dp: use the eDP bridge ops to validate eDP modes
   drm/bridge: use atomic enable/disable callbacks for panel bridge
   drm/bridge: add psr support for panel bridge callbacks
   drm/msm/disp/dpu: use atomic enable/disable callbacks for encoder
     functions
   drm/msm/disp/dpu: add PSR support for eDP interface in dpu driver
   drm/msm/disp/dpu: update dpu_enc crtc state on crtc enable/disable
     during self refresh

  drivers/gpu/drm/bridge/panel.c                     |  68 +++++++-
  drivers/gpu/drm/drm_atomic.c                       |  60 +++++++
  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c           |  40 ++++-
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |  26 ++-
  .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |  22 +++
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c     |   6 +-
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h     |  12 +-
  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c        |   8 +-
  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c            |   2 +-
  drivers/gpu/drm/msm/dp/dp_catalog.c                |  80 +++++++++
  drivers/gpu/drm/msm/dp/dp_catalog.h                |   4 +
  drivers/gpu/drm/msm/dp/dp_ctrl.c                   |  80 +++++++++
  drivers/gpu/drm/msm/dp/dp_ctrl.h                   |   3 +
  drivers/gpu/drm/msm/dp/dp_display.c                |  36 ++--
  drivers/gpu/drm/msm/dp/dp_display.h                |   2 +
  drivers/gpu/drm/msm/dp/dp_drm.c                    | 194 ++++++++++++++++++++-
  drivers/gpu/drm/msm/dp/dp_drm.h                    |   9 +-
  drivers/gpu/drm/msm/dp/dp_link.c                   |  36 ++++
  drivers/gpu/drm/msm/dp/dp_panel.c                  |  22 +++
  drivers/gpu/drm/msm/dp/dp_panel.h                  |   6 +
  drivers/gpu/drm/msm/dp/dp_reg.h                    |  27 +++
  include/drm/drm_atomic.h                           |   7 +
  22 files changed, 706 insertions(+), 44 deletions(-)


--
With best wishes
Dmitry




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