On Thu, Sep 17, 2026 at 8:34 AM Lyude Paul <lyude@redhat.com> wrote:
>
> While we have runtime PM working a lot more reliably then in the past
> with R570, we're still doing things a lot differently then OpenRM. For
> instance, we don't save/restore comptag backing stores, and we don't ask
> GSP whether it's OK to enter GcOff.
>
> This series fixes this, and gets our runtime PM process to look a lot
> closer to OpenRM's by implementing some missing pieces and workarounds.
>
> Tested on my daily-driver desktop with an AD102, a ThinkPad P17 Gen1
> with a GA103GLM, a Dell Precision 7780 with an AD103, and my test
> machine with a GB206.
I've replied with a couple of minor fixes but with those applied.
Reviewed-by: Dave Airlie <airlied@redhat.com>
The rules for devices are 0080 ctrls on device.object and 2080 ctrls
on device.subdevice.
Dave.
>
> Patch series based on drm-misc/drm-misc-next. Branch with patches here:
>
> https://gitlab.freedesktop.org/lyudess/linux/-/commits/nouveau/rpm-openrm-sync
>
> Previous version:
>
> https://patchwork.freedesktop.org/series/173901/
>
> Lyude Paul (5):
> drm/nouveau/gsp/r535: Add support for INTERNAL_GCX_ENTRY_PREREQUISITE
> drm/nouveau/gsp/r535: Add support for MEMSYS_GET_STATIC_CONFIG
> drm/nouveau/gsp/r570: Add comp mode workaround from issue #3172217
> drm/nouveau/gsp/r570: Start saving comptag backing stores
> drm/nouveau/gsp/r570: Enable Gcoff in fbsr again
>
> drivers/gpu/drm/nouveau/include/nvif/cl0080.h | 10 +++
> drivers/gpu/drm/nouveau/include/nvif/device.h | 1 +
> .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 6 ++
> drivers/gpu/drm/nouveau/nouveau_drm.c | 13 ++++
> drivers/gpu/drm/nouveau/nvif/device.c | 13 ++++
> .../gpu/drm/nouveau/nvkm/engine/device/user.c | 35 +++++++++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/base.c | 10 +++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/priv.h | 1 +
> .../drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c | 17 ++++
> .../nvkm/subdev/gsp/rm/r535/nvrm/gsp.h | 52 +++++++++++++
> .../nouveau/nvkm/subdev/gsp/rm/r570/fbsr.c | 77 ++++++++++++++++++-
> .../drm/nouveau/nvkm/subdev/gsp/rm/r570/gsp.c | 36 +++++++++
> .../nvkm/subdev/gsp/rm/r570/nvrm/fbsr.h | 29 +++++++
> .../nvkm/subdev/gsp/rm/r570/nvrm/gsp.h | 7 ++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h | 3 +
> 15 files changed, 308 insertions(+), 2 deletions(-)
>
>
> base-commit: 5589ef09f93b85b6f506e279a502d4cf1654f232
> --
> 2.55.0
>