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| author | Ben Skeggs <bskeggs@redhat.com> | 2020-01-14 21:34:22 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-01-15 01:50:29 +0100 |
| commit | ff213b634865b60fa8d445a070ac74951245bb3d (patch) | |
| tree | ca924f2a069e7bb37b7d7caf87cee3928f5fb6cd | |
| parent | drm/nouveau/secboot: move code to boot LS falcons to subdevs (diff) | |
| download | linux-ff213b634865b60fa8d445a070ac74951245bb3d.tar.xz linux-ff213b634865b60fa8d445a070ac74951245bb3d.zip | |
drm/nouveau/core/memory: add macros to read/write blocks from objects
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/memory.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h index b23bf6109f2d..74d3f1a809d7 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h @@ -84,6 +84,22 @@ void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *, nvkm_wo32((o), __a + 4, upper_32_bits(__d)); \ } while(0) +#define nvkm_robj(o,a,p,s) do { \ + u32 _addr = (a), _size = (s) >> 2, *_data = (void *)(p); \ + while (_size--) { \ + *(_data++) = nvkm_ro32((o), _addr); \ + _addr += 4; \ + } \ +} while(0) + +#define nvkm_wobj(o,a,p,s) do { \ + u32 _addr = (a), _size = (s) >> 2, *_data = (void *)(p); \ + while (_size--) { \ + nvkm_wo32((o), _addr, *(_data++)); \ + _addr += 4; \ + } \ +} while(0) + #define nvkm_fill(t,s,o,a,d,c) do { \ u64 _a = (a), _c = (c), _d = (d), _o = _a >> s, _s = _c << s; \ u##t __iomem *_m = nvkm_kmap(o); \ |