Hi,

Huacai Chen <chenhua...@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 <che...@lemote.com>
> Signed-off-by: Hongliang Tao <ta...@lemote.com>
> Signed-off-by: Hua Yan <y...@lemote.com>
> Reviewed-by: Michel Dänzer <mic...@daenzer.net>
> Reviewed-by: Alex Deucher <alexdeuc...@gmail.com>
> Reviewed-by: Lucas Stach <d...@lynxeye.de>
> Reviewed-by: j.glisse <j.gli...@gmail.com>
> Cc: dri-devel@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
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