Re: [PATCH 2/3] drm/msm/dsi: support DSC configurations with slice_per_pkt > 1

[Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>]

On 13/10/2025 04:52, 曹俊杰 wrote:
>  >Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com 
> <mailto:dmitry.baryshkov@oss.qualcomm.com>> 于2025年10月2日周四 10:04写道：
>  >On Wed, Oct 01, 2025 at 09:59:13PM +0800, Junjie Cao wrote:
>  >> From: Jun Nie <jun.nie@linaro.org <mailto:jun.nie@linaro.org>>
>  >>
>  >> Some panels support multiple slice to be sent in a single DSC 
> packet. And
>  >> this feature is a must for specific panels, such as JDI LPM026M648C. 
> Add a
>  >> dsc_slice_per_pkt member into struct mipi_dsi_device and support the
>  >> feature in msm mdss driver.
>  >>
>  >> Co-developed-by: Jonathan Marek <jonathan@marek.ca 
> <mailto:jonathan@marek.ca>>
>  >> Signed-off-by: Jonathan Marek <jonathan@marek.ca 
> <mailto:jonathan@marek.ca>>
>  >> Signed-off-by: Jun Nie <jun.nie@linaro.org <mailto:jun.nie@linaro.org>>
>  >> Signed-off-by: Junjie Cao <caojunjie650@gmail.com 
> <mailto:caojunjie650@gmail.com>>
>  >> ---
>  >>  drivers/gpu/drm/msm/dsi/dsi_host.c | 25 ++++++++++---------------
>  >>  include/drm/drm_mipi_dsi.h         |  2 ++
>  >>  2 files changed, 12 insertions(+), 15 deletions(-)
>  >
>  >Please extract the generic part, so that it can be merged through a
>  >generic tree.
>  >
> 
> Sorry, I don't get it.  The generic part, generic tree? Do you mean
> the drm tree? `slice_per_pkt >= 2` is seen on the panels of these
> tablets that are equipped with qcom chips. I don't know if these
> panels are used on other platforms, and if it is necessary to do it
> in drm.

There are two changes here:
- MIPI DSI header change
- msm DSI driver

I've asked to split it to those two commits so that he change for 
drm_mipi_dsi.h is more obvious for reviewers and so that it can be 
merged through a drm-misc tree (or through drm-msm tree provided it gets 
a necessary ack).


-- 
With best wishes
Dmitry