Hi, Huacai Chen <chenhuacai at gmail.com> writes:
> 1, Handle io prot correctly for MIPS. > 2, Define SAREA_MAX as the size of one page. > 3, Don't use swiotlb on Loongson machines (Loonson need swioitlb, but > when use swiotlb, GPU reset occurs at resume from suspend). > > Signed-off-by: Huacai Chen <chenhc at lemote.com> > Signed-off-by: Hongliang Tao <taohl at lemote.com> > Signed-off-by: Hua Yan <yanh at lemote.com> > Reviewed-by: Michel D?nzer <michel at daenzer.net> > Reviewed-by: Alex Deucher <alexdeucher at gmail.com> > Reviewed-by: Lucas Stach <dev at lynxeye.de> > Reviewed-by: j.glisse <j.glisse at gmail.com> > Cc: dri-devel at lists.freedesktop.org > --- > drivers/gpu/drm/drm_vm.c | 2 +- > drivers/gpu/drm/radeon/radeon_ttm.c | 6 +++--- > drivers/gpu/drm/ttm/ttm_bo_util.c | 2 +- > include/drm/drm_sarea.h | 2 ++ > 4 files changed, 7 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c > index 961ee08..3f06166 100644 > --- a/drivers/gpu/drm/drm_vm.c > +++ b/drivers/gpu/drm/drm_vm.c > @@ -62,7 +62,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct > vm_area_struct *vma) > tmp = pgprot_writecombine(tmp); > else > tmp = pgprot_noncached(tmp); > -#elif defined(__sparc__) || defined(__arm__) > +#elif defined(__sparc__) || defined(__arm__) || defined(__mips__) > tmp = pgprot_noncached(tmp); btw, would it be a good idea to use uncached accelerated instead ? Arnaud
