#define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
#define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
-/*
- * RING helpers.
- */
-static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
-{
- if (ring->count_dw <= 0)
- DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
- ring->ring[ring->wptr++ & ring->buf_mask] = v;
- ring->wptr &= ring->ptr_mask;
- ring->count_dw--;
-}
-
-static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, void *src, int count_dw)
-{
- unsigned occupied, chunk1, chunk2;
- void *dst;
-
- if (unlikely(ring->count_dw < count_dw)) {
- DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
- return;
- }
-
- occupied = ring->wptr & ring->buf_mask;
- dst = (void *)&ring->ring[occupied];
- chunk1 = ring->buf_mask + 1 - occupied;
- chunk1 = (chunk1 >= count_dw) ? count_dw: chunk1;
- chunk2 = count_dw - chunk1;
- chunk1 <<= 2;
- chunk2 <<= 2;
-
- if (chunk1)
- memcpy(dst, src, chunk1);
-
- if (chunk2) {
- src += chunk1;
- dst = (void *)ring->ring;
- memcpy(dst, src, chunk2);
- }
-
- ring->wptr += count_dw;
- ring->wptr &= ring->ptr_mask;
- ring->count_dw -= count_dw;
-}
-
static inline struct amdgpu_sdma_instance *
amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
{
}
+static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
+{
+ if (ring->count_dw <= 0)
+ DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
+ ring->ring[ring->wptr++ & ring->buf_mask] = v;
+ ring->wptr &= ring->ptr_mask;
+ ring->count_dw--;
+}
+
+static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring,
+ void *src, int count_dw)
+{
+ unsigned occupied, chunk1, chunk2;
+ void *dst;
+
+ if (unlikely(ring->count_dw < count_dw)) {
+ DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
+ return;
+ }
+
+ occupied = ring->wptr & ring->buf_mask;
+ dst = (void *)&ring->ring[occupied];
+ chunk1 = ring->buf_mask + 1 - occupied;
+ chunk1 = (chunk1 >= count_dw) ? count_dw: chunk1;
+ chunk2 = count_dw - chunk1;
+ chunk1 <<= 2;
+ chunk2 <<= 2;
+
+ if (chunk1)
+ memcpy(dst, src, chunk1);
+
+ if (chunk2) {
+ src += chunk1;
+ dst = (void *)ring->ring;
+ memcpy(dst, src, chunk2);
+ }
+
+ ring->wptr += count_dw;
+ ring->wptr &= ring->ptr_mask;
+ ring->count_dw -= count_dw;
+}
+
#endif