Re: [PATCH V4 11/16] drm/radeon: Make radeon card usable for Loongson.

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OK, I'll split it.

On Fri, Aug 3, 2012 at 4:01 PM, Michel Dänzer <michel@xxxxxxxxxxx> wrote:
> On Fre, 2012-08-03 at 15:06 +0800, Huacai Chen wrote:
>> 1, Handle io prot correctly for MIPS.
>> 2, Define SAREA_MAX as the size of one page.
>> 3, Include swiotlb.h if SWIOTLB configured.
>>
>> Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx>
>> Signed-off-by: Hongliang Tao <taohl@xxxxxxxxxx>
>> Signed-off-by: Hua Yan <yanh@xxxxxxxxxx>
>> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> ---
>>  drivers/gpu/drm/drm_vm.c            |    2 +-
>>  drivers/gpu/drm/radeon/radeon_ttm.c |    4 ++++
>>  drivers/gpu/drm/ttm/ttm_bo_util.c   |    2 +-
>>  include/drm/drm_sarea.h             |    2 ++
>>  4 files changed, 8 insertions(+), 2 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);
>>  #endif
>>       return tmp;
>> diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
>> index 5b71c71..fc3ac22 100644
>> --- a/drivers/gpu/drm/radeon/radeon_ttm.c
>> +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
>> @@ -41,6 +41,10 @@
>>  #include "radeon_reg.h"
>>  #include "radeon.h"
>>
>> +#ifdef CONFIG_SWIOTLB
>> +#include <linux/swiotlb.h>
>> +#endif
>> +
>>  #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
>>
>>  static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
>> diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
>> index f8187ea..0df71ea 100644
>> --- a/drivers/gpu/drm/ttm/ttm_bo_util.c
>> +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
>> @@ -472,7 +472,7 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp)
>>       else
>>               tmp = pgprot_noncached(tmp);
>>  #endif
>> -#if defined(__sparc__)
>> +#if defined(__sparc__) || defined(__mips__)
>>       if (!(caching_flags & TTM_PL_FLAG_CACHED))
>>               tmp = pgprot_noncached(tmp);
>>  #endif
>> diff --git a/include/drm/drm_sarea.h b/include/drm/drm_sarea.h
>> index ee5389d..1d1a858 100644
>> --- a/include/drm/drm_sarea.h
>> +++ b/include/drm/drm_sarea.h
>> @@ -37,6 +37,8 @@
>>  /* SAREA area needs to be at least a page */
>>  #if defined(__alpha__)
>>  #define SAREA_MAX                       0x2000U
>> +#elif defined(__mips__)
>> +#define SAREA_MAX                       0x4000U
>>  #elif defined(__ia64__)
>>  #define SAREA_MAX                       0x10000U     /* 64kB */
>>  #else
>
> This should be four separate patches.
>
>
> --
> Earthling Michel Dänzer           |                   http://www.amd.com
> Libre software enthusiast         |          Debian, X and DRI developer
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