[PATCH 12/44] drm/amdgpu/vcn3.0: convert internal functions to use vcn_inst
Boyuan Zhang
Boyuan.Zhang at amd.com
Wed Feb 5 15:00:35 UTC 2025
On 2025-01-31 11:57, Alex Deucher wrote:
> Pass the vcn instance structure to these functions rather
> than adev and the instance number.
>
> TODO: clean up the function internals to use the vinst state
> directly rather than accessing it indirectly via adev->vcn.inst[].
>
> Signed-off-by: Alex Deucher<alexander.deucher at amd.com>
Reviewed-by: Boyuan Zhang <Boyuan.Zhang at amd.com>
<mailto:Boyuan.Zhang at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 79 ++++++++++++++++++---------
> 1 file changed, 52 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> index 724f36467b068..f6f4f04d74339 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> @@ -510,13 +510,14 @@ static int vcn_v3_0_resume(struct amdgpu_ip_block *ip_block)
> /**
> * vcn_v3_0_mc_resume - memory controller programming
> *
> - * @adev: amdgpu_device pointer
> - * @inst: instance number
> + * @vinst: VCN instance
> *
> * Let the VCN memory controller know it's offsets
> */
> -static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
> +static void vcn_v3_0_mc_resume(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst = vinst->inst;
> uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst].fw->size + 4);
> uint32_t offset;
>
> @@ -565,8 +566,11 @@ static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
> AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
> }
>
> -static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
> +static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
> + bool indirect)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst_idx = vinst->inst;
> uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst_idx].fw->size + 4);
> uint32_t offset;
>
> @@ -661,8 +665,10 @@ static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
> UVD, inst_idx, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
> }
>
> -static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
> +static void vcn_v3_0_disable_static_power_gating(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst = vinst->inst;
> uint32_t data = 0;
>
> if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
> @@ -712,8 +718,10 @@ static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int
> WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
> }
>
> -static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
> +static void vcn_v3_0_enable_static_power_gating(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst = vinst->inst;
> uint32_t data;
>
> if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
> @@ -765,8 +773,10 @@ static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int
> *
> * Disable clock gating for VCN block
> */
> -static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
> +static void vcn_v3_0_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst = vinst->inst;
> uint32_t data;
>
> /* VCN disable CGC */
> @@ -893,9 +903,12 @@ static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
> WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
> }
>
> -static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
> - uint8_t sram_sel, int inst_idx, uint8_t indirect)
> +static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
> + uint8_t sram_sel,
> + uint8_t indirect)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst_idx = vinst->inst;
> uint32_t reg_data = 0;
>
> /* enable sw clock gating control */
> @@ -949,8 +962,10 @@ static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
> *
> * Enable clock gating for VCN block
> */
> -static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
> +static void vcn_v3_0_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst = vinst->inst;
> uint32_t data;
>
> /* enable VCN CGC */
> @@ -1009,8 +1024,10 @@ static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
> WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
> }
>
> -static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
> +static int vcn_v3_0_start_dpg_mode(struct amdgpu_vcn_inst *vinst, bool indirect)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst_idx = vinst->inst;
> volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
> struct amdgpu_ring *ring;
> uint32_t rb_bufsz, tmp;
> @@ -1028,7 +1045,7 @@ static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
> adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
>
> /* enable clock gating */
> - vcn_v3_0_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
> + vcn_v3_0_clock_gating_dpg_mode(vinst, 0, indirect);
>
> /* enable VCPU clock */
> tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
> @@ -1077,7 +1094,7 @@ static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
> (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
> (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
>
> - vcn_v3_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
> + vcn_v3_0_mc_resume_dpg_mode(vinst, indirect);
>
> WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
> VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
> @@ -1161,8 +1178,10 @@ static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
> return 0;
> }
>
> -static int vcn_v3_0_start(struct amdgpu_device *adev, int i)
> +static int vcn_v3_0_start(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int i = vinst->inst;
> volatile struct amdgpu_fw_shared *fw_shared;
> struct amdgpu_ring *ring;
> uint32_t rb_bufsz, tmp;
> @@ -1175,17 +1194,17 @@ static int vcn_v3_0_start(struct amdgpu_device *adev, int i)
> amdgpu_dpm_enable_vcn(adev, true, i);
>
> if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
> - return vcn_v3_0_start_dpg_mode(adev, i, adev->vcn.inst[i].indirect_sram);
> + return vcn_v3_0_start_dpg_mode(vinst, vinst->indirect_sram);
>
> /* disable VCN power gating */
> - vcn_v3_0_disable_static_power_gating(adev, i);
> + vcn_v3_0_disable_static_power_gating(vinst);
>
> /* set VCN status busy */
> tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
> WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
>
> /* SW clock gating */
> - vcn_v3_0_disable_clock_gating(adev, i);
> + vcn_v3_0_disable_clock_gating(vinst);
>
> /* enable VCPU clock */
> WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
> @@ -1238,7 +1257,7 @@ static int vcn_v3_0_start(struct amdgpu_device *adev, int i)
> (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
> (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
>
> - vcn_v3_0_mc_resume(adev, i);
> + vcn_v3_0_mc_resume(vinst);
>
> /* VCN global tiling registers */
> WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
> @@ -1555,8 +1574,10 @@ static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
> return 0;
> }
>
> -static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
> +static int vcn_v3_0_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int inst_idx = vinst->inst;
> struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
> uint32_t tmp;
>
> @@ -1586,8 +1607,10 @@ static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
> return 0;
> }
>
> -static int vcn_v3_0_stop(struct amdgpu_device *adev, int i)
> +static int vcn_v3_0_stop(struct amdgpu_vcn_inst *vinst)
> {
> + struct amdgpu_device *adev = vinst->adev;
> + int i = vinst->inst;
> uint32_t tmp;
> int r = 0;
>
> @@ -1595,7 +1618,7 @@ static int vcn_v3_0_stop(struct amdgpu_device *adev, int i)
> return 0;
>
> if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
> - return vcn_v3_0_stop_dpg_mode(adev, i);
> + return vcn_v3_0_stop_dpg_mode(vinst);
>
> /* wait for vcn idle */
> r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
> @@ -1646,10 +1669,10 @@ static int vcn_v3_0_stop(struct amdgpu_device *adev, int i)
> WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
>
> /* apply HW clock gating */
> - vcn_v3_0_enable_clock_gating(adev, i);
> + vcn_v3_0_enable_clock_gating(vinst);
>
> /* enable VCN power gating */
> - vcn_v3_0_enable_static_power_gating(adev, i);
> + vcn_v3_0_enable_static_power_gating(vinst);
>
> if (adev->pm.dpm_enabled)
> amdgpu_dpm_enable_vcn(adev, false, i);
> @@ -2159,15 +2182,16 @@ static int vcn_v3_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
> int i;
>
> for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
> + struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
> if (adev->vcn.harvest_config & (1 << i))
> continue;
>
> if (enable) {
> if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
> return -EBUSY;
> - vcn_v3_0_enable_clock_gating(adev, i);
> + vcn_v3_0_enable_clock_gating(vinst);
> } else {
> - vcn_v3_0_disable_clock_gating(adev, i);
> + vcn_v3_0_disable_clock_gating(vinst);
> }
> }
>
> @@ -2179,6 +2203,7 @@ static int vcn_v3_0_set_powergating_state_inst(struct amdgpu_ip_block *ip_block,
> int i)
> {
> struct amdgpu_device *adev = ip_block->adev;
> + struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
> int ret = 0;
>
> /* for SRIOV, guest should not control VCN Power-gating
> @@ -2194,9 +2219,9 @@ static int vcn_v3_0_set_powergating_state_inst(struct amdgpu_ip_block *ip_block,
> return 0;
>
> if (state == AMD_PG_STATE_GATE)
> - ret = vcn_v3_0_stop(adev, i);
> + ret = vcn_v3_0_stop(vinst);
> else
> - ret = vcn_v3_0_start(adev, i);
> + ret = vcn_v3_0_start(vinst);
>
> if (!ret)
> adev->vcn.inst[i].cur_state = state;
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