[src/trunk]: src/sys/external/bsd/drm2/include/drm Kill bus_dmamem_wire_uvm_o...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/859ae23517ec
branches:  trunk
changeset: 365925:859ae23517ec
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 07:17:47 2018 +0000

description:
Kill bus_dmamem_wire_uvm_object, which never made sense!

diffstat:

 sys/external/bsd/drm2/include/drm/bus_dma_hacks.h |  67 +----------------------
 1 files changed, 1 insertions(+), 66 deletions(-)

diffs (81 lines):

diff -r a900b927cafa -r 859ae23517ec sys/external/bsd/drm2/include/drm/bus_dma_hacks.h
--- a/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h Mon Aug 27 07:17:35 2018 +0000
+++ b/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h Mon Aug 27 07:17:47 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_dma_hacks.h,v 1.9 2018/04/01 04:35:06 ryo Exp $    */
+/*     $NetBSD: bus_dma_hacks.h,v 1.10 2018/08/27 07:17:47 riastradh Exp $     */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -49,71 +49,6 @@
 #endif
 
 static inline int
-bus_dmamem_wire_uvm_object(bus_dma_tag_t tag, struct uvm_object *uobj,
-    off_t start, bus_size_t size, struct pglist *pages, bus_size_t alignment,
-    bus_size_t boundary, bus_dma_segment_t *segs, int nsegs, int *rsegs,
-    int flags)
-{
-       struct pglist pageq;
-       struct vm_page *page;
-       unsigned i;
-       int error;
-
-       /*
-        * XXX `#ifdef __x86_64__' is a horrible way to work around a
-        * completely stupid GCC warning that encourages unsafe,
-        * nonportable code and has no obvious way to be selectively
-        * suppressed.
-        */
-#if __x86_64__
-       KASSERT(size <= __type_max(off_t));
-#endif
-
-       KASSERT(start <= (__type_max(off_t) - size));
-       KASSERT(alignment == PAGE_SIZE); /* XXX */
-       KASSERT(0 < nsegs);
-
-       if (pages == NULL) {
-               TAILQ_INIT(&pageq);
-               pages = &pageq;
-       }
-
-       error = uvm_obj_wirepages(uobj, start, (start + size), pages);
-       if (error)
-               goto fail0;
-
-       page = TAILQ_FIRST(pages);
-       KASSERT(page != NULL);
-
-       for (i = 0; i < nsegs; i++) {
-               if (page == NULL) {
-                       error = EFBIG;
-                       goto fail1;
-               }
-               segs[i].ds_addr = VM_PAGE_TO_PHYS(page);
-               segs[i].ds_len = MIN(PAGE_SIZE, size);
-               size -= PAGE_SIZE;
-               page = TAILQ_NEXT(page, pageq.queue);
-       }
-       KASSERT(page == NULL);
-
-       /* Success!  */
-       *rsegs = nsegs;
-       return 0;
-
-fail1: uvm_obj_unwirepages(uobj, start, (start + size));
-fail0: return error;
-}
-
-static inline void
-bus_dmamem_unwire_uvm_object(bus_dma_tag_t tag __unused,
-    struct uvm_object *uobj, off_t start, bus_size_t size,
-    bus_dma_segment_t *segs __unused, int nsegs __unused)
-{
-       uvm_obj_unwirepages(uobj, start, (start + size));
-}
-
-static inline int
 bus_dmamem_pgfl(bus_dma_tag_t tag)
 {
 #if defined(__i386__) || defined(__x86_64__)