diff options
| author | Lang Yu <Lang.Yu@amd.com> | 2023-01-16 13:11:59 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-07 15:33:01 -0500 |
| commit | 26f5f34e6e44f995d97b8917484373c22715fd8d (patch) | |
| tree | 19b2fcfd242487c371071851f7aa5cc104a58628 /drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c | |
| parent | 72f4ae0a64b93dee25a5d2fed9d5c0d90eaa0fdb (diff) | |
drm/amdgpu/vpe: add collaborate mode support for VPE
Under clollaborate mode, multiple VPE instances share a ring buferr
and work together to finish a job.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c index 8cedee059c8a..9d2415f26b7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c @@ -457,6 +457,18 @@ static uint64_t vpe_get_csa_mc_addr(struct amdgpu_ring *ring, uint32_t vmid) return csa_mc_addr; } +static void vpe_ring_emit_pred_exec(struct amdgpu_ring *ring, + uint32_t device_select, + uint32_t exec_count) +{ + if (!ring->adev->vpe.collaborate_mode) + return; + + amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_PRED_EXE, 0) | + (device_select << 16)); + amdgpu_ring_write(ring, exec_count & 0x1fff); +} + static void vpe_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job, struct amdgpu_ib *ib, @@ -481,6 +493,8 @@ static void vpe_ring_emit_fence(struct amdgpu_ring *ring, uint64_t addr, { int i = 0; + vpe_ring_emit_pred_exec(ring, 0, 10); + do { /* write the fence */ amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_FENCE, 0)); @@ -505,6 +519,8 @@ static void vpe_ring_emit_pipeline_sync(struct amdgpu_ring *ring) uint32_t seq = ring->fence_drv.sync_seq; uint64_t addr = ring->fence_drv.gpu_addr; + vpe_ring_emit_pred_exec(ring, 0, 6); + /* wait for idle */ amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_POLL_REGMEM, VPE_POLL_REGMEM_SUBOP_REGMEM) | @@ -520,6 +536,8 @@ static void vpe_ring_emit_pipeline_sync(struct amdgpu_ring *ring) static void vpe_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val) { + vpe_ring_emit_pred_exec(ring, 0, 3); + amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_REG_WRITE, 0)); amdgpu_ring_write(ring, reg << 2); amdgpu_ring_write(ring, val); @@ -528,6 +546,8 @@ static void vpe_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t static void vpe_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, uint32_t val, uint32_t mask) { + vpe_ring_emit_pred_exec(ring, 0, 6); + amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_POLL_REGMEM, VPE_POLL_REGMEM_SUBOP_REGMEM) | VPE_CMD_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ |