On Tue, Aug 13, 2024 at 8:19 PM Michał Winiarski <michal.winiarski@xxxxxxxxx> wrote: > > On Mon, Aug 12, 2024 at 01:38:38PM GMT, Alex Deucher wrote: > > Are there any objections to this series? We have been running into > > this limit as a problem for a while now on big servers. > > I don't think there were any objections, just a general lack of > interest - so there are no R-b / Acks. > If you're interested to have a go at it - I can resend it. > It should still apply on latest drm-tip. Yeah that would be great! Thanks, Alex > > -Michał > > > > > Alex > > > > On Mon, Jul 24, 2023 at 5:15 PM Michał Winiarski > > <michal.winiarski@xxxxxxxxx> wrote: > > > > > > 64 DRM device nodes is not enough for everyone. > > > Upgrade it to ~512K (which definitely is more than enough). > > > > > > To allow testing userspace support for >64 devices, add additional DRM > > > modparam (force_extended_minors) which causes DRM to skip allocating minors > > > in 0-192 range. > > > Additionally - convert minors to use XArray instead of IDR to simplify the > > > locking. > > > > > > v1 -> v2: > > > Don't touch DRM_MINOR_CONTROL and its range (Simon Ser) > > > > > > v2 -> v3: > > > Don't use legacy scheme for >=192 minor range (Dave Airlie) > > > Add modparam for testing (Dave Airlie) > > > Add lockdep annotation for IDR (Daniel Vetter) > > > > > > v3 -> v4: > > > Convert from IDR to XArray (Matthew Wilcox) > > > > > > v4 -> v5: > > > Fixup IDR to XArray conversion (Matthew Wilcox) > > > > > > v5 -> v6: > > > Also convert Accel to XArray > > > Rename skip_legacy_minors to force_extended_minors > > > > > > Michał Winiarski (4): > > > drm: Use XArray instead of IDR for minors > > > accel: Use XArray instead of IDR for minors > > > drm: Expand max DRM device number to full MINORBITS > > > drm: Introduce force_extended_minors modparam > > > > > > drivers/accel/drm_accel.c | 110 +++------------------------------ > > > drivers/gpu/drm/drm_drv.c | 105 ++++++++++++++++--------------- > > > drivers/gpu/drm/drm_file.c | 2 +- > > > drivers/gpu/drm/drm_internal.h | 4 -- > > > include/drm/drm_accel.h | 18 +----- > > > include/drm/drm_file.h | 5 ++ > > > 6 files changed, 69 insertions(+), 175 deletions(-) > > > > > > -- > > > 2.41.0 > > >
