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drm/amdgpu: move ring helpers to amdgpu_ring.h 

Keep them where they belong.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
This commit is contained in:
Christian König 2017-06-28 13:43:48 +02:00 committed by Alex Deucher
parent 0ed279877d
commit e8110b1c9b
2 changed files with 42 additions and 44 deletions
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44
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -1792,50 +1792,6 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
#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)
{

42
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
View File

@ -212,4 +212,46 @@ static inline void amdgpu_ring_clear_ring(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