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

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Date: Tue, 28 May 2024 09:56:48 +0200
From: neil.armstrong@...aro.org
To: Jun Nie <jun.nie@...aro.org>, 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,
 Jonathan Marek <jonathan@...ek.ca>
Subject: Re: [PATCH v5 0/6] Add DSC support to DSI video panel

On 27/05/2024 16:21, Jun Nie wrote:
> 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,

Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8650-HDK

with https://lore.kernel.org/all/20230728012623.22991-1-quic_parellan@quicinc.com/ and enforce-video-mode in panel node.

Thanks,
Neil