diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c index f53054e39ebb..9bae95538b62 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c @@ -45,6 +45,9 @@ #define VCN_VID_SOC_ADDRESS_2_0 0x1fb00 #define VCN1_VID_SOC_ADDRESS_3_0 0x48300 +#define NORMALIZE_VCN_REG_OFFSET(offset) \ + (offset & 0x1FFFF) + static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev); static void vcn_v4_0_3_set_unified_ring_funcs(struct amdgpu_device *adev); static void vcn_v4_0_3_set_irq_funcs(struct amdgpu_device *adev); @@ -1375,6 +1378,50 @@ static uint64_t vcn_v4_0_3_unified_ring_get_wptr(struct amdgpu_ring *ring) regUVD_RB_WPTR); } +static void vcn_v4_0_3_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, + uint32_t val, uint32_t mask) +{ + /* For VF, only local offsets should be used */ + if (amdgpu_sriov_vf(ring->adev)) + reg = NORMALIZE_VCN_REG_OFFSET(reg); + + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT); + amdgpu_ring_write(ring, reg << 2); + amdgpu_ring_write(ring, mask); + amdgpu_ring_write(ring, val); +} + +static void vcn_v4_0_3_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val) +{ + /* For VF, only local offsets should be used */ + if (amdgpu_sriov_vf(ring->adev)) + reg = NORMALIZE_VCN_REG_OFFSET(reg); + + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); + amdgpu_ring_write(ring, reg << 2); + amdgpu_ring_write(ring, val); +} + +static void vcn_v4_0_3_enc_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned int vmid, uint64_t pd_addr) +{ + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; + + pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); + + /* wait for reg writes */ + vcn_v4_0_3_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + + vmid * hub->ctx_addr_distance, + lower_32_bits(pd_addr), 0xffffffff); +} + +static void vcn_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring) +{ + /* VCN engine access for HDP flush doesn't work when RRMT is enabled. + * This is a workaround to avoid any HDP flush through VCN ring. + */ +} + /** * vcn_v4_0_3_unified_ring_set_wptr - set enc write pointer * @@ -1414,7 +1461,8 @@ static const struct amdgpu_ring_funcs vcn_v4_0_3_unified_ring_vm_funcs = { .emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */ .emit_ib = vcn_v2_0_enc_ring_emit_ib, .emit_fence = vcn_v2_0_enc_ring_emit_fence, - .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush, + .emit_vm_flush = vcn_v4_0_3_enc_ring_emit_vm_flush, + .emit_hdp_flush = vcn_v4_0_3_ring_emit_hdp_flush, .test_ring = amdgpu_vcn_enc_ring_test_ring, .test_ib = amdgpu_vcn_unified_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, @@ -1422,8 +1470,8 @@ static const struct amdgpu_ring_funcs vcn_v4_0_3_unified_ring_vm_funcs = { .pad_ib = amdgpu_ring_generic_pad_ib, .begin_use = amdgpu_vcn_ring_begin_use, .end_use = amdgpu_vcn_ring_end_use, - .emit_wreg = vcn_v2_0_enc_ring_emit_wreg, - .emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait, + .emit_wreg = vcn_v4_0_3_enc_ring_emit_wreg, + .emit_reg_wait = vcn_v4_0_3_enc_ring_emit_reg_wait, .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, }; |