On Fri, Jun 22, 2012 at 5:39 PM, Arnaud Patard <arnaud.patard@xxxxxxxxxxx> wrote: > > Hi, > > Huacai Chen <chenhuacai@xxxxxxxxx> 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@xxxxxxxxxx> >> Signed-off-by: Hongliang Tao <taohl@xxxxxxxxxx> >> Signed-off-by: Hua Yan <yanh@xxxxxxxxxx> >> Reviewed-by: Michel Dänzer <michel@xxxxxxxxxxx> >> Reviewed-by: Alex Deucher <alexdeucher@xxxxxxxxx> >> Reviewed-by: Lucas Stach <dev@xxxxxxxxxx> >> Reviewed-by: j.glisse <j.glisse@xxxxxxxxx> >> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx >> --- >> 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 ? I have tried uncached accelerated, there will be random points in the monitor, it seems a hw issue... > > Arnaud
