From 940e772635ac4f8431e82f09ba4023cf31ce249e Mon Sep 17 00:00:00 2001 From: Ruili Ji Date: Mon, 24 Mar 2025 01:15:25 -0400 Subject: [PATCH 3042/5403] amd/amdgpu: Init vcn hardware per instance for vcn 4.0.3 Add interface for hardware init by vcn instance. v2: fix code format Reviewed-by: Sonny Jiang Reviewed-by: Leo Liu Signed-off-by: Ruili Ji Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 51 ++++++++++++++----------- 1 file changed, 29 insertions(+), 22 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 3e176b4b7c69..a1355a37cef7 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c @@ -287,6 +287,31 @@ static int vcn_v4_0_3_sw_fini(struct amdgpu_ip_block *ip_block) return 0; } +static int vcn_v4_0_3_hw_init_inst(struct amdgpu_vcn_inst *vinst) +{ + int vcn_inst; + struct amdgpu_device *adev = vinst->adev; + struct amdgpu_ring *ring; + int inst_idx = vinst->inst; + + vcn_inst = GET_INST(VCN, inst_idx); + ring = &adev->vcn.inst[inst_idx].ring_enc[0]; + if (ring->use_doorbell) { + adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, + (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 9 * vcn_inst, + adev->vcn.inst[inst_idx].aid_id); + + WREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL, + ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT | + VCN_RB1_DB_CTRL__EN_MASK); + + /* Read DB_CTRL to flush the write DB_CTRL command. */ + RREG32_SOC15(VCN, vcn_inst, regVCN_RB1_DB_CTRL); + } + + return 0; +} + /** * vcn_v4_0_3_hw_init - start and test VCN block * @@ -298,7 +323,8 @@ static int vcn_v4_0_3_hw_init(struct amdgpu_ip_block *ip_block) { struct amdgpu_device *adev = ip_block->adev; struct amdgpu_ring *ring; - int i, r, vcn_inst; + struct amdgpu_vcn_inst *vinst; + int i, r; if (amdgpu_sriov_vf(adev)) { r = vcn_v4_0_3_start_sriov(adev); @@ -321,28 +347,9 @@ static int vcn_v4_0_3_hw_init(struct amdgpu_ip_block *ip_block) for (i = 0; i < adev->vcn.num_vcn_inst; ++i) { struct amdgpu_vcn4_fw_shared *fw_shared; - vcn_inst = GET_INST(VCN, i); ring = &adev->vcn.inst[i].ring_enc[0]; - - if (ring->use_doorbell) { - adev->nbio.funcs->vcn_doorbell_range( - adev, ring->use_doorbell, - (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + - 9 * vcn_inst, - adev->vcn.inst[i].aid_id); - - WREG32_SOC15( - VCN, GET_INST(VCN, ring->me), - regVCN_RB1_DB_CTRL, - ring->doorbell_index - << VCN_RB1_DB_CTRL__OFFSET__SHIFT | - VCN_RB1_DB_CTRL__EN_MASK); - - /* Read DB_CTRL to flush the write DB_CTRL command. */ - RREG32_SOC15( - VCN, GET_INST(VCN, ring->me), - regVCN_RB1_DB_CTRL); - } + vinst = &adev->vcn.inst[i]; + vcn_v4_0_3_hw_init_inst(vinst); /* Re-init fw_shared when RAS fatal error occurred */ fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr; -- 2.54.0