On 2023/04/24 15:00, Stuart Henderson wrote:
> > Looking over the local changes to i915_scatterlist.h the segment size
> > could be larger, I'm not sure if that would help.
>
> I will try that and report back after lunch.
Doesn't help.
>
> > Index: dev/pci/drm/i915/i915_scatterlist.h
> > ===================================================================
> > RCS file: /cvs/src/sys/dev/pci/drm/i915/i915_scatterlist.h,v
> > retrieving revision 1.3
> > diff -u -p -r1.3 i915_scatterlist.h
> > --- dev/pci/drm/i915/i915_scatterlist.h 1 Jan 2023 01:34:54 -0000
> > 1.3
> > +++ dev/pci/drm/i915/i915_scatterlist.h 24 Apr 2023 13:15:46 -0000
> > @@ -153,7 +153,7 @@ static inline unsigned int i915_sg_segme
> > #else
> > static inline unsigned int i915_sg_segment_size(struct device *dev)
> > {
> > - return PAGE_SIZE;
> > + return round_down(UINT_MAX, PAGE_SIZE);
> > }
> > #endif
> >
> >
> > > dpt_bind_vma(ffff800001a1cc00,0,fffffd83b9afd178,0,400) at
> > > dpt_bind_vma+0x64
> > > i915_vma_bind(ffff800001ce4ec0,0,400,0,fffffd83b9afd178) at
> > > i915_vma_bind+0x319
> > > i915_vma_pin_ww(ffff800001ce4ec0,ffff800033b78db0,0,200000,400) at
> > > i915_vma_pin_ww+0x454
> > > intel_plane_pin_fb(ffff800001cc9000) at intel_plane_pin_fb+0x25c
> > > intel_prepare_plane_fb(ffff8000014c7400,ffff800001cc9000) at
> > > intel_prepare_plane_fb+0x127
> > > drm_atomic_helper_prepare_planes(ffff80000044c078,ffff800001cda000) at
> > > drm_atomic_helper_prepare_planes+0x5b
> > > intel_atomic_commit(ffff80000044c078,ffff800001cda000,1) at
> > > intel_atomic_commit+0xda
> > > drm_atomic_helper_page_flip(ffff8000014c2800,ffff800001e41200,ffff800001d55300,1,ffff800033b79048)
> > > at drm_atomic_helper_page_flip+0x77
> > > drm_mode_page_flip_ioctl(ffff80000044c078,ffff800033b793e0,ffff80000195bc00)
> > > at drm_mode_page_flip_ioctl+0x466
> > > drm_do_ioctl(ffff80000044c078,100,c01864b0,ffff800033b793e0) at
> > > drm_do_ioctl+0x29e
> > > drmioctl(15700,c01864b0,ffff800033b793e0,3,ffff800033bba5c8) at
> > > drmioctl+0xdc
> > > VOP_IOCTL(fffffd845bb870f0,c01864b0,ffff800033b793e0,3,fffffd845efad750,ffff800033bba5c8)
> > > at VOP_IOCTL+0x60
> > > vn_ioctl(fffffd845bd084c0,c01864b0,ffff800033b793e0,ffff800033bba5c8) at
> > > vn_ioctl+0x79
> >
>
