Am 17.09.19 um 11:24 schrieb Gerd Hoffmann: > Not obvious why this is needed. According to Deniel Vetter this is most > likely a historic artefact dating back to the days where drm drivers > exposed hardware registers as mmap'able gem objects, to avoid dumping > touching those registers. Clearly a NAK. We still have that and really don't want to try dumping any CPU inaccessible VRAM content even if it is mapped into the address space somewhere. Regards, Christian. > > Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> > --- > drivers/gpu/drm/ttm/ttm_bo_vm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c > index 7c0e85c10e0e..4dc77a66aaf6 100644 > --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c > +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c > @@ -445,7 +445,7 @@ void ttm_bo_mmap_vma_setup(struct ttm_buffer_object *bo, struct vm_area_struct * > * VM_MIXEDMAP on all mappings. See freedesktop.org bug #75719 > */ > vma->vm_flags |= VM_MIXEDMAP; > - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; > + vma->vm_flags |= VM_IO | VM_DONTEXPAND; > } > EXPORT_SYMBOL(ttm_bo_mmap_vma_setup); > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
