CVS commit: [netbsd-9] src/sys/external/bsd/drm2/include/drm

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Sat Mar 21 15:27:41 UTC 2020

Modified Files:
        src/sys/external/bsd/drm2/include/drm [netbsd-9]: bus_dma_hacks.h

Log Message:
Pull up following revision(s) (requested by mrg in ticket #791):

        sys/external/bsd/drm2/include/drm/bus_dma_hacks.h: revision 1.20

in bus_dmamap_load_pglist() try a 32-element array of
bus_dma_segment_t's before attempting to allocate.
this hopefully avoids hangs i've had in X since updating
from netbsd-8 to netbsd-9 that i've tracked down to this
function failing with ENOMEM.

XXX: maybe can avoid the alloc entirely by batching these
calls in 32 segments each.

XXX pullup-9


To generate a diff of this commit:
cvs rdiff -u -r1.17.4.1 -r1.17.4.2 \
    src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.