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| author | Christian König <christian.koenig@amd.com> | 2016-01-31 14:20:55 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 22:17:20 +0300 |
| commit | 9e5d53094c5366a9a14e0694e45e794902cc2c04 (patch) | |
| tree | aa539c677510e73aaa8aa55a6e34c8a4d928f7f5 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | 4c0b242cf27094b666df6604420417e201260af9 (diff) | |
| download | linux-9e5d53094c5366a9a14e0694e45e794902cc2c04.tar.xz | |
drm/amdgpu: make pad_ib a ring function v3
The padding depends on the firmware version and we need that for BO moves as
well, not only for VM updates.
v2: new approach of making pad_ib a ring function
v3: fix typo in macro name
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 1f0db995046d..56c07e3fdb33 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -90,6 +90,19 @@ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) amdgpu_ring_write(ring, ring->nop); } +/** amdgpu_ring_generic_pad_ib - pad IB with NOP packets + * + * @ring: amdgpu_ring structure holding ring information + * @ib: IB to add NOP packets to + * + * This is the generic pad_ib function for rings except SDMA + */ +void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) +{ + while (ib->length_dw & ring->align_mask) + ib->ptr[ib->length_dw++] = ring->nop; +} + /** * amdgpu_ring_commit - tell the GPU to execute the new * commands on the ring buffer |