Add dec software ring vm functions to support.
Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
Reviewed-by: Leo Liu <leo.liu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 101 +++++++++++++++++++++++++++++++++-
1 file changed, 99 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index c5e0a53..a94dce4 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -48,6 +48,7 @@
#define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET 0x25c
#define VCN_INSTANCES_SIENNA_CICHLID 2
+#define DEC_SW_RING_ENABLED FALSE
static int amdgpu_ih_clientid_vcns[] = {
SOC15_IH_CLIENTID_VCN,
@@ -1673,6 +1674,98 @@ static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
}
}
+void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+ u64 seq, uint32_t flags)
+{
+ WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
+
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
+ amdgpu_ring_write(ring, addr);
+ amdgpu_ring_write(ring, upper_32_bits(addr));
+ amdgpu_ring_write(ring, seq);
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
+}
+
+void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
+}
+
+void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
+ struct amdgpu_job *job,
+ struct amdgpu_ib *ib,
+ uint32_t flags)
+{
+ uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
+
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
+ amdgpu_ring_write(ring, vmid);
+ amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, ib->length_dw);
+}
+
+void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t val, uint32_t mask)
+{
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
+ amdgpu_ring_write(ring, reg << 2);
+ amdgpu_ring_write(ring, mask);
+ amdgpu_ring_write(ring, val);
+}
+
+void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
+ uint32_t vmid, uint64_t pd_addr)
+{
+ struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
+ uint32_t data0, data1, mask;
+
+ pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
+
+ /* wait for register write */
+ data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
+ data1 = lower_32_bits(pd_addr);
+ mask = 0xffffffff;
+ vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
+}
+
+void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
+ amdgpu_ring_write(ring, reg << 2);
+ amdgpu_ring_write(ring, val);
+}
+
+static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
+ .type = AMDGPU_RING_TYPE_VCN_DEC,
+ .align_mask = 0x3f,
+ .nop = VCN_DEC_SW_CMD_NO_OP,
+ .vmhub = AMDGPU_MMHUB_0,
+ .get_rptr = vcn_v3_0_dec_ring_get_rptr,
+ .get_wptr = vcn_v3_0_dec_ring_get_wptr,
+ .set_wptr = vcn_v3_0_dec_ring_set_wptr,
+ .emit_frame_size =
+ SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
+ SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
+ 4 + /* vcn_v3_0_dec_sw_ring_emit_vm_flush */
+ 5 + 5 + /* vcn_v3_0_dec_sw_ring_emit_fdec_swe x2 vm fdec_swe */
+ 1, /* vcn_v3_0_dec_sw_ring_insert_end */
+ .emit_ib_size = 5, /* vcn_v3_0_dec_sw_ring_emit_ib */
+ .emit_ib = vcn_v3_0_dec_sw_ring_emit_ib,
+ .emit_fence = vcn_v3_0_dec_sw_ring_emit_fence,
+ .emit_vm_flush = vcn_v3_0_dec_sw_ring_emit_vm_flush,
+ .test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
+ .test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
+ .insert_nop = amdgpu_ring_insert_nop,
+ .insert_end = vcn_v3_0_dec_sw_ring_insert_end,
+ .pad_ib = amdgpu_ring_generic_pad_ib,
+ .begin_use = amdgpu_vcn_ring_begin_use,
+ .end_use = amdgpu_vcn_ring_end_use,
+ .emit_wreg = vcn_v3_0_dec_sw_ring_emit_wreg,
+ .emit_reg_wait = vcn_v3_0_dec_sw_ring_emit_reg_wait,
+ .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_DEC,
.align_mask = 0xf,
@@ -1810,9 +1903,13 @@ static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
if (adev->vcn.harvest_config & (1 << i))
continue;
- adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
+ if (!DEC_SW_RING_ENABLED)
+ adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
+ else
+ adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
adev->vcn.inst[i].ring_dec.me = i;
- DRM_INFO("VCN(%d) decode is enabled in VM mode\n", i);
+ DRM_INFO("VCN(%d) decode%s is enabled in VM mode\n", i,
+ DEC_SW_RING_ENABLED?"(Software Ring)":"");
}
}
--
2.7.4
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