Re: [PATCH 0/3] drm/xe: Disable stolen memory for driver allocations.

[Jani Nikula <jani.nikula@linux.intel.com>]

On Tue, 30 Jun 2026, Maarten Lankhorst <dev@lankhorst.se> wrote:
> Using stolen memory has effect on system stability on integrated at high load,
> and causes increased latency waking up from media C6 state.
>
> Only use stolen memory when needed, which is for GSC firmware and FBC.
>
> Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/7513
>
> Maarten Lankhorst (3):
>   drm/xe: Avoid using stolen memory for DPT.
>   drm/xe/display: Avoid using stolen memory for framebuffer when media
>     gt exists.

AFAICT this patch was not merged at all, but patches 1 and 3 were,
i.e. what was merged was never tested. This is not how we're supposed to
roll.

BR,
Jani.

>   drm/xe/display: Do not allocate into stolen for new framebuffers.
>
>  drivers/gpu/drm/xe/display/xe_display_bo.c | 40 +++++++---------------
>  drivers/gpu/drm/xe/display/xe_fb_pin.c     | 33 +++++-------------
>  2 files changed, 21 insertions(+), 52 deletions(-)

-- 
Jani Nikula, Intel