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

[Alexander Koskovich]

On Thursday, May 21st, 2026 at 3:50 AM, Neil Armstrong <neil.armstrong@xxxxxxxxxx> wrote:

> On 3/18/26 10:39, Dmitry Baryshkov wrote:
> > On Wed, Mar 18, 2026 at 07:33:03AM +0000, Alexander Koskovich wrote:
> >> Some panels support multiple slice to be sent in a single DSC packet and
> >> this feature is a must for specific panels, such as the JDI LPM026M648C.
> >>
> >> Use the MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT flag to derive slice_per_pkt
> >> from slice_count, note that most panels are expected to just work with
> >> just one slice per packet.
> >>
> >> This change was originally authored by Jonathan Marek:
> >> https://lore.kernel.org/all/20231114174218.19765-3-jonathan@xxxxxxxx
> >
> > This is a wrong way to give attribution. Either please retain the author
> > and Jonathan's SoB or use Co-developed-by and still Jonathan's SoB.
> 
> Please retain `Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>` since the only
> major difference with the original patch is moving the drm_mipi_dsi.h change to
> another patch.

Yeah, made sure to add his Signed-off-by to v2:
https://lore.kernel.org/linux-arm-msm/20260318-dsi-dsc-slice-per-pkt-v2-2-0a1b316f8250@xxxxx

> 
> >
> > The patch looks good to me.
> >
> >>
> >> Signed-off-by: Alexander Koskovich <akoskovich@xxxxx>
> >> ---
> >>   drivers/gpu/drm/msm/dsi/dsi_host.c | 25 ++++++++++---------------
> >>   1 file changed, 10 insertions(+), 15 deletions(-)
> >>
> >
> 
> 
>