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Use PHYS_TO_BUS_MEM in generic bus_dmamap_load_pglist code. 

For arm and x86, this is a noop.  For powerpc, it is defined by some
relevant header file.
This commit is contained in:
riastradh 2018-08-27 15:11:58 +00:00
parent 061a015a40
commit ff4e551ba1
1 changed files with 11 additions and 5 deletions
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16
sys/external/bsd/drm2/include/drm/bus_dma_hacks.h vendored
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@ -1,4 +1,4 @@
/* $NetBSD: bus_dma_hacks.h,v 1.10 2018/08/27 07:17:47 riastradh Exp $ */
/* $NetBSD: bus_dma_hacks.h,v 1.11 2018/08/27 15:11:58 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@ -41,11 +41,14 @@
#include <uvm/uvm_extern.h>
#if defined(__i386__) || defined(__x86_64__)
#include <x86/bus_private.h>
#include <x86/machdep.h>
# include <x86/bus_private.h>
# include <x86/machdep.h>
# define PHYS_TO_BUS_MEM(dmat, paddr) (paddr)
#elif defined(__arm__) || defined(__aarch64__)
# define PHYS_TO_BUS_MEM(dmat, paddr) (paddr)
#elif defined(__powerpc__)
#else
#error DRM GEM/TTM need new MI bus_dma APIs! Halp!
# error DRM GEM/TTM need new MI bus_dma APIs! Halp!
#endif
static inline int
@ -87,7 +90,10 @@ bus_dmamap_load_pglist(bus_dma_tag_t tag, bus_dmamap_t map,
seg = 0;
TAILQ_FOREACH(page, pglist, pageq.queue) {
segs[seg].ds_addr = VM_PAGE_TO_PHYS(page);
paddr_t paddr = VM_PAGE_TO_PHYS(page);
bus_addr_t baddr = PHYS_TO_BUS_MEM(tag, paddr);
segs[seg].ds_addr = baddr;
segs[seg].ds_len = PAGE_SIZE;
seg++;
}