Add DPG mode start and stop functions for vcn2.5 Signed-off-by: James Zhu <James.Zhu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 295 +++++++++++++++++++++++++++++++++- 1 file changed, 293 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c index fa90249..ea70aa8 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c @@ -48,6 +48,11 @@ #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET 0x3b5 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET 0x25c +#define mmUVD_RBC_XX_IB_REG_CHECK 0x026b +#define mmUVD_RBC_XX_IB_REG_CHECK_BASE_IDX 1 +#define mmUVD_REG_XX_MASK 0x026c +#define mmUVD_REG_XX_MASK_BASE_IDX 1 + #define VCN25_MAX_HW_INSTANCES_ARCTURUS 2 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev); @@ -286,7 +291,8 @@ static int vcn_v2_5_hw_init(void *handle) done: if (!r) - DRM_INFO("VCN decode and encode initialized successfully.\n"); + DRM_INFO("VCN decode and encode initialized successfully(under %s).\n", + (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode"); return r; } @@ -309,7 +315,9 @@ static int vcn_v2_5_hw_fini(void *handle) continue; ring = &adev->vcn.inst[i].ring_dec; - if (RREG32_SOC15(VCN, i, mmUVD_STATUS)) + if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || + (adev->vcn.cur_state != AMD_PG_STATE_GATE && + RREG32_SOC15(VCN, i, mmUVD_STATUS))) vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE); ring->sched.ready = false; @@ -418,6 +426,78 @@ static void vcn_v2_5_mc_resume(struct amdgpu_device *adev) } } +static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect) +{ + uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); + uint32_t offset; + + /* cache window 0: fw */ + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), + (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), + (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect); + offset = 0; + } else { + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect); + offset = size; + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), + AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect); + } + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect); + + /* cache window 1: stack */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect); + + /* cache window 2: context */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), + lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), + upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect); + + /* non-cache window */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect); + + /* VCN global tiling registers */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect); +} + /** * vcn_v2_5_disable_clock_gating - disable VCN clock gating * @@ -536,6 +616,54 @@ static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev) } } +static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev, + uint8_t sram_sel, int inst_idx, uint8_t indirect) +{ + uint32_t reg_data = 0; + + /* enable sw clock gating control */ + if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG) + reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + else + reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; + reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; + reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | + UVD_CGC_CTRL__UDEC_CM_MODE_MASK | + UVD_CGC_CTRL__UDEC_IT_MODE_MASK | + UVD_CGC_CTRL__UDEC_DB_MODE_MASK | + UVD_CGC_CTRL__UDEC_MP_MODE_MASK | + UVD_CGC_CTRL__SYS_MODE_MASK | + UVD_CGC_CTRL__UDEC_MODE_MASK | + UVD_CGC_CTRL__MPEG2_MODE_MASK | + UVD_CGC_CTRL__REGS_MODE_MASK | + UVD_CGC_CTRL__RBC_MODE_MASK | + UVD_CGC_CTRL__LMI_MC_MODE_MASK | + UVD_CGC_CTRL__LMI_UMC_MODE_MASK | + UVD_CGC_CTRL__IDCT_MODE_MASK | + UVD_CGC_CTRL__MPRD_MODE_MASK | + UVD_CGC_CTRL__MPC_MODE_MASK | + UVD_CGC_CTRL__LBSI_MODE_MASK | + UVD_CGC_CTRL__LRBBM_MODE_MASK | + UVD_CGC_CTRL__WCB_MODE_MASK | + UVD_CGC_CTRL__VCPU_MODE_MASK | + UVD_CGC_CTRL__MMSCH_MODE_MASK); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect); + + /* turn off clock gating */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect); + + /* turn on SUVD clock gating */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect); + + /* turn on sw mode in UVD_SUVD_CGC_CTRL */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect); +} + /** * vcn_v2_5_enable_clock_gating - enable VCN clock gating * @@ -598,6 +726,130 @@ static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev) } } +static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect) +{ + struct amdgpu_ring *ring; + uint32_t rb_bufsz, tmp; + + /* disable register anti-hang mechanism */ + WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 1, + ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); + /* enable dynamic power gating mode */ + tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS); + tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK; + tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK; + WREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS, tmp); + + /* enable clock gating */ + vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect); + + /* enable VCPU clock */ + tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT); + tmp |= UVD_VCPU_CNTL__CLK_EN_MASK; + tmp |= UVD_VCPU_CNTL__BLK_RST_MASK; + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect); + + /* disable master interupt */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect); + + /* setup mmUVD_LMI_CTRL */ + tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | + UVD_LMI_CTRL__REQ_MODE_MASK | + UVD_LMI_CTRL__CRC_RESET_MASK | + UVD_LMI_CTRL__MASK_MC_URGENT_MASK | + UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | + UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | + (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | + 0x00100000L); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MPC_CNTL), + 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MPC_SET_MUXA0), + ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) | + (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) | + (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) | + (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MPC_SET_MUXB0), + ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) | + (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) | + (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) | + (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MPC_SET_MUX), + ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) | + (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) | + (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect); + + vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect); + + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect); + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect); + + /* enable LMI MC and UMC channels */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect); + + /* unblock VCPU register access */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect); + + tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT); + tmp |= UVD_VCPU_CNTL__CLK_EN_MASK; + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect); + + /* enable master interrupt */ + WREG32_SOC15_DPG_MODE_2_5(inst_idx, SOC15_DPG_MODE_OFFSET_2_0( + UVD, inst_idx, mmUVD_MASTINT_EN), + UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect); + + ring = &adev->vcn.inst[inst_idx].ring_dec; + /* force RBC into idle state */ + rb_bufsz = order_base_2(ring->ring_size); + tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); + tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); + WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_CNTL, tmp); + + /* set the write pointer delay */ + WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0); + + /* set the wb address */ + WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR_ADDR, + (upper_32_bits(ring->gpu_addr) >> 2)); + + /* programm the RB_BASE for ring buffer */ + WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, + lower_32_bits(ring->gpu_addr)); + WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, + upper_32_bits(ring->gpu_addr)); + + /* Initialize the ring buffer's read and write pointers */ + WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR, 0); + + WREG32_SOC15(UVD, inst_idx, mmUVD_SCRATCH2, 0); + + ring->wptr = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR); + WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR, + lower_32_bits(ring->wptr)); + + return 0; +} + static int vcn_v2_5_start(struct amdgpu_device *adev) { struct amdgpu_ring *ring; @@ -610,6 +862,9 @@ static int vcn_v2_5_start(struct amdgpu_device *adev) for (i = 0; i < adev->vcn.num_vcn_inst; ++i) { if (adev->vcn.harvest_config & (1 << i)) continue; + if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) + return vcn_v2_5_start_dpg_mode(adev, i, 0); + /* disable register anti-hang mechanism */ WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS), 0, ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); @@ -973,6 +1228,35 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev) return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table); } +static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx) +{ + int ret_code = 0; + uint32_t tmp; + + /* Wait for power status to be 1 */ + SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1, + UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code); + + /* wait for read ptr to be equal to write ptr */ + tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR); + SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code); + + tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR2); + SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code); + + tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF; + SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code); + + SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1, + UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code); + + /* disable dynamic power gating mode */ + WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 0, + ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); + + return 0; +} + static int vcn_v2_5_stop(struct amdgpu_device *adev) { uint32_t tmp; @@ -981,6 +1265,12 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev) for (i = 0; i < adev->vcn.num_vcn_inst; ++i) { if (adev->vcn.harvest_config & (1 << i)) continue; + + if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) { + r = vcn_v2_5_stop_dpg_mode(adev, i); + goto power_off; + } + /* wait for vcn idle */ SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r); if (r) @@ -1030,6 +1320,7 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev) ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); } +power_off: if (adev->pm.dpm_enabled) amdgpu_dpm_enable_uvd(adev, false); -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx