linux-kernel - [PATCH v5 0/6] Add DSC support to DSI video panel

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Message-Id: <20240527-msm-drm-dsc-dsi-video-upstream-4-v5-0-f797ffba4682@linaro.org>
Date: Mon, 27 May 2024 22:21:46 +0800
From: Jun Nie <jun.nie@...aro.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, Vinod Koul <vkoul@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Jun Nie <jun.nie@...aro.org>, Jonathan Marek <jonathan@...ek.ca>
Subject: [PATCH v5 0/6] Add DSC support to DSI video panel

This is follow up update to Jonathan's patch set.

Changes vs V4:
- Polish width calculation with helper function
- Split cfg2 compression bit into another patch

Changes vs V3:
- Rebase to latest msm-next-lumag branch.
- Drop the slice_per_pkt change as it does impact basic DSC feature.
- Remove change in generated dsi header
- update DSC compressed width calculation with bpp and bpc
- split wide bus impact on width into another patch
- rename patch tile of VIDEO_COMPRESSION_MODE_CTRL_WC change
- Polish warning usage
- Add tags from reviewers

Changes vs V2:
- Drop the INTF_CFG2_DATA_HCTL_EN change as it is handled in
latest mainline code.
- Drop the bonded DSI patch as I do not have device to test it.
- Address comments from version 2.

Signed-off-by: Jun Nie <jun.nie@...aro.org>
---
Changes in v5:
- Link to v4: https://lore.kernel.org/r/20240524-msm-drm-dsc-dsi-video-upstream-4-v4-0-e61c05b403df@linaro.org

---
Jonathan Marek (4):
      drm/msm/dpu: fix video mode DSC for DSI
      drm/msm/dsi: set video mode widebus enable bit when widebus is enabled
      drm/msm/dsi: set VIDEO_COMPRESSION_MODE_CTRL_WC
      drm/msm/dsi: add a comment to explain pkt_per_line encoding

Jun Nie (2):
      drm/msm/dpu: adjust data width for widen bus case
      drm/msm/dpu: enable compression bit in cfg2 for DSC

 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c          |  2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h     |  8 ++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 18 ++++++++++++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c          | 13 +++++++++++++
 drivers/gpu/drm/msm/dsi/dsi_host.c                   | 10 +++++++++-
 5 files changed, 49 insertions(+), 2 deletions(-)
---
base-commit: e6428bcb611f6c164856a41fc5a1ae8471a9b5a9
change-id: 20240524-msm-drm-dsc-dsi-video-upstream-4-22e2266fbe89

Best regards,
-- 
Jun Nie <jun.nie@...aro.org>