[PATCH v4 0/3] Fix concurrency issues between G1 and G2 on

[Ulf Hansson]

On Fri, 5 Dec 2025 at 02:55, <ming.qian at oss.nxp.com> wrote:
>
> From: Ming Qian <ming.qian at oss.nxp.com>
>
> On the i.MX8MQ, we encountered some concurrency issues with H264 and HEVC
> decoding.
>
> There are two main reasons:
> 1. The vpu blk-ctrl don't have separate reset and clock enable bits.
> 2. The g1 VPU and g2 VPU cannot decode simultaneously.
>
> We attempted to make corresponding fix to address these two issues.
>
> Ming Qian (2):
>   pmdomain: imx8m-blk-ctrl: Remove separate rst and clk mask for 8mq vpu
>   media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC
>
> Nicolas Dufresne (1):
>   media: v4l2-mem2mem: Add a kref to the v4l2_m2m_dev structure
>
>  drivers/media/platform/verisilicon/hantro.h   |  2 +
>  .../media/platform/verisilicon/hantro_drv.c   | 42 +++++++++++++++++--
>  .../media/platform/verisilicon/imx8m_vpu_hw.c |  8 ++++
>  drivers/media/v4l2-core/v4l2-mem2mem.c        | 23 ++++++++++
>  drivers/pmdomain/imx/imx8m-blk-ctrl.c         | 11 +++--
>  include/media/v4l2-mem2mem.h                  | 21 ++++++++++
>  6 files changed, 100 insertions(+), 7 deletions(-)
>

Can I pick the pmdomain patch separately from the others? Or does this
need to go together?

Kind regards
Uffe