diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 11:33:10 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 14:17:56 +0100 |
| commit | 70c5f93669249886b151812076509f30569aff80 (patch) | |
| tree | 05dce785f3a70e022b91016c87e4092f143a2fef /drivers/gpu/drm/nouveau/include/nvif/mmu.h | |
| parent | c83ecfa5851f4d35be88f32dabb3a53f51cf5c32 (diff) | |
| parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) | |
Merge airlied/drm-next into drm-misc-next
Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.
Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in
commit a01cb8ba3f6282934cff65e89ab36b18b14cbe27
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Nov 1 22:16:19 2017 +0200
drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif/mmu.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/mmu.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/mmu.h b/drivers/gpu/drm/nouveau/include/nvif/mmu.h new file mode 100644 index 000000000000..c8cd5b5b0688 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/mmu.h @@ -0,0 +1,56 @@ +#ifndef __NVIF_MMU_H__ +#define __NVIF_MMU_H__ +#include <nvif/object.h> + +struct nvif_mmu { + struct nvif_object object; + u8 dmabits; + u8 heap_nr; + u8 type_nr; + u16 kind_nr; + + struct { + u64 size; + } *heap; + + struct { +#define NVIF_MEM_VRAM 0x01 +#define NVIF_MEM_HOST 0x02 +#define NVIF_MEM_COMP 0x04 +#define NVIF_MEM_DISP 0x08 +#define NVIF_MEM_KIND 0x10 +#define NVIF_MEM_MAPPABLE 0x20 +#define NVIF_MEM_COHERENT 0x40 +#define NVIF_MEM_UNCACHED 0x80 + u8 type; + u8 heap; + } *type; + + u8 *kind; +}; + +int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *); +void nvif_mmu_fini(struct nvif_mmu *); + +static inline bool +nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) +{ + const u8 invalid = mmu->kind_nr - 1; + if (kind) { + if (kind >= mmu->kind_nr || mmu->kind[kind] == invalid) + return false; + } + return true; +} + +static inline int +nvif_mmu_type(struct nvif_mmu *mmu, u8 mask) +{ + int i; + for (i = 0; i < mmu->type_nr; i++) { + if ((mmu->type[i].type & mask) == mask) + return i; + } + return -EINVAL; +} +#endif |