kybaaz/linux-xiaomi-chiron
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

extra pull request because I missed tegra.

Browse source 
-----BEGIN PGP SIGNATURE-----
 
 iQIcBAABAgAGBQJZC9nKAAoJEAx081l5xIa+LqoP+wYuQDS4q0XFN232F/2Zpa/9
 hkXN6HoKfme68AWlPtcM2Srt6Ydk7exUNl4SVxCFWwUI3z7Rt4uv3eZxnMESZ5sM
 4NT3rtWgkrzyXD4VNwTDHeqzAyqiajeMuSwlCZBwslH81UZydmYcc8+4JHYy3aaK
 BYklPxYm629XNQ7+6S0r9M1XDpEH8gcml9zd50X9jpxOtbr2Q70EFa+rOZaJncxe
 FxoqrriuaJiMNlDlOovO0P5g7+y4DFUJqCgtipgCUYNWtipUUjujiRtjjFYGH0eQ
 Yixsvz8xlHdp0swpCM6jfdwLDqdXYL+AV9lRuIraFkl72kNHZeP/E3XidV+NOTD0
 r5CYjROlf7g0K/Wob8UhQigLwm3D78tg2LzHMt3fIDY6vG70g1oNVt51D3pzMdZP
 d3pypFFhZMeAS+/czF3Fg99lw6DB9jNx6H6Vq3oKc2qZtjcL3jc/rHB/7eHNo7VK
 tWMQshPhQvYi/bG5OUq/YHzz4wBf9UK12d3U2had0EDon8Gzd5Sd0oaHtyApolsv
 iMdlWCho/2eRsWTPelDWvVbKInC33gg/Lr8lr/l4tosWVmRKJl10a8RrW27v+lVu
 Kqu1K70OhPeHzJTo1gu8wVjH8JHw20gkpO0BTemsb2f9ViZxl6/Bz/8TGNq30Lxr
 hRzJxP4ZOmrXffR4hktf
 =DQ0P
 -----END PGP SIGNATURE-----

Merge tag 'drm-forgot-about-tegra-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux

Pull drm tegra updates from Dave Airlie:
 "I missed a pull request from Thierry, this stuff has been in
  linux-next for a while anyways.

  It does contain a branch from the iommu tree, but Thierry said it
  should be fine"

* tag 'drm-forgot-about-tegra-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux:
  gpu: host1x: Fix host1x driver shutdown
  gpu: host1x: Support module reset
  gpu: host1x: Sort includes alphabetically
  drm/tegra: Add VIC support
  dt-bindings: Add bindings for the Tegra VIC
  drm/tegra: Add falcon helper library
  drm/tegra: Add Tegra DRM allocation API
  drm/tegra: Add tiling FB modifiers
  drm/tegra: Don't leak kernel pointer to userspace
  drm/tegra: Protect IOMMU operations by mutex
  drm/tegra: Enable IOVA API when IOMMU support is enabled
  gpu: host1x: Add IOMMU support
  gpu: host1x: Fix potential out-of-bounds access
  iommu/iova: Fix compile error with CONFIG_IOMMU_IOVA=m
  iommu: Add dummy implementations for !IOMMU_IOVA
  MAINTAINERS: Add related headers to IOMMU section
  iommu/iova: Consolidate code for adding new node to iovad domain rbtree
This commit is contained in:
Linus Torvalds 2017-05-05 17:18:44 -07:00
commit 1062ae4982
25 changed files with 1516 additions and 201 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/linux/host1x.h
View file

@ -26,6 +26,7 @@ enum host1x_class {
HOST1X_CLASS_HOST1X = 0x1,
HOST1X_CLASS_GR2D = 0x51,
HOST1X_CLASS_GR2D_SB = 0x52,
HOST1X_CLASS_VIC = 0x5D,
HOST1X_CLASS_GR3D = 0x60,
};

91
include/linux/iova.h
View file

@ -82,6 +82,7 @@ static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)
return iova >> iova_shift(iovad);
}
#if IS_ENABLED(CONFIG_IOMMU_IOVA)
int iova_cache_get(void);
void iova_cache_put(void);
@ -106,5 +107,95 @@ void put_iova_domain(struct iova_domain *iovad);
struct iova *split_and_remove_iova(struct iova_domain *iovad,
struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);
#else
static inline int iova_cache_get(void)
{
return -ENOTSUPP;
}
static inline void iova_cache_put(void)
{
}
static inline struct iova *alloc_iova_mem(void)
{
return NULL;
}
static inline void free_iova_mem(struct iova *iova)
{
}
static inline void free_iova(struct iova_domain *iovad, unsigned long pfn)
{
}
static inline void __free_iova(struct iova_domain *iovad, struct iova *iova)
{
}
static inline struct iova *alloc_iova(struct iova_domain *iovad,
unsigned long size,
unsigned long limit_pfn,
bool size_aligned)
{
return NULL;
}
static inline void free_iova_fast(struct iova_domain *iovad,
unsigned long pfn,
unsigned long size)
{
}
static inline unsigned long alloc_iova_fast(struct iova_domain *iovad,
unsigned long size,
unsigned long limit_pfn)
{
return 0;
}
static inline struct iova *reserve_iova(struct iova_domain *iovad,
unsigned long pfn_lo,
unsigned long pfn_hi)
{
return NULL;
}
static inline void copy_reserved_iova(struct iova_domain *from,
struct iova_domain *to)
{
}
static inline void init_iova_domain(struct iova_domain *iovad,
unsigned long granule,
unsigned long start_pfn,
unsigned long pfn_32bit)
{
}
static inline struct iova *find_iova(struct iova_domain *iovad,
unsigned long pfn)
{
return NULL;
}
static inline void put_iova_domain(struct iova_domain *iovad)
{
}
static inline struct iova *split_and_remove_iova(struct iova_domain *iovad,
struct iova *iova,
unsigned long pfn_lo,
unsigned long pfn_hi)
{
return NULL;
}
static inline void free_cpu_cached_iovas(unsigned int cpu,
struct iova_domain *iovad)
{
}
#endif
#endif