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Map buffer objects with BUS_DMA_PREFETCHABLE.

This commit is contained in:
jmcneill 2019-11-05 09:59:16 +00:00
parent 80fc328b35
commit b27ec4bb31
1 changed files with 4 additions and 3 deletions
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7
sys/external/bsd/drm2/drm/drm_gem_cma_helper.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: drm_gem_cma_helper.c,v 1.7 2019/03/08 02:53:22 mrg Exp $ */
/* $NetBSD: drm_gem_cma_helper.c,v 1.8 2019/11/05 09:59:16 jmcneill Exp $ */
/*-
* Copyright (c) 2015-2017 Jared McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: drm_gem_cma_helper.c,v 1.7 2019/03/08 02:53:22 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: drm_gem_cma_helper.c,v 1.8 2019/11/05 09:59:16 jmcneill Exp $");
#include <drm/drmP.h>
#include <drm/drm_gem_cma_helper.h>
@ -55,7 +55,8 @@ drm_gem_cma_create_internal(struct drm_device *ddev, size_t size,
if (error)
goto failed;
error = bus_dmamem_map(obj->dmat, obj->dmasegs, nsegs,
obj->dmasize, &obj->vaddr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
obj->dmasize, &obj->vaddr,
BUS_DMA_WAITOK | BUS_DMA_PREFETCHABLE);
if (error)
goto free;
error = bus_dmamap_create(obj->dmat, obj->dmasize, 1,