From 63e9bb1d98eff3584190295acb231e631ba5e59e Mon Sep 17 00:00:00 2001 From: James Zhu Date: Fri, 21 Sep 2018 14:35:32 -0400 Subject: [PATCH] drm/amdgpu:Add DPG mode support for vcn 1.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add DPG mode start/stop/mc_resume/clock_gating to support vcn 1.0 DPG mode. Signed-off-by: James Zhu Reviewed-by: Alex Deucher Reviewed-by: Huang Rui Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 319 +++++++++++++++++++++++++++++++++- 1 file changed, 313 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 2cde0b4..63d7f97 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -198,7 +198,8 @@ static int vcn_v1_0_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; } @@ -266,13 +267,13 @@ static int vcn_v1_0_resume(void *handle) } /** - * vcn_v1_0_mc_resume - memory controller programming + * vcn_v1_0_mc_resume_spg_mode - memory controller programming * * @adev: amdgpu_device pointer * * Let the VCN memory controller know it's offsets */ -static void vcn_v1_0_mc_resume(struct amdgpu_device *adev) +static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev) { uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); uint32_t offset; @@ -319,6 +320,65 @@ static void vcn_v1_0_mc_resume(struct amdgpu_device *adev) adev->gfx.config.gb_addr_config); } +static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev) +{ + uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); + uint32_t offset; + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, + (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), + 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, + (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), + 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0, + 0xFFFFFFFF, 0); + offset = 0; + } else { + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, + lower_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, + upper_32_bits(adev->vcn.gpu_addr), 0xFFFFFFFF, 0); + offset = size; + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, + AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0xFFFFFFFF, 0); + } + + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size, 0xFFFFFFFF, 0); + + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW, + lower_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH, + upper_32_bits(adev->vcn.gpu_addr + offset), 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0, + 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_HEAP_SIZE, + 0xFFFFFFFF, 0); + + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW, + lower_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE), + 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH, + upper_32_bits(adev->vcn.gpu_addr + offset + AMDGPU_VCN_HEAP_SIZE), + 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, + AMDGPU_VCN_STACK_SIZE + (AMDGPU_VCN_SESSION_SIZE * 40), + 0xFFFFFFFF, 0); + + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_ADDR_CONFIG, + adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG, + adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG, + adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, + adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, + adev->gfx.config.gb_addr_config, 0xFFFFFFFF, 0); +} + /** * vcn_v1_0_disable_clock_gating - disable VCN clock gating * @@ -519,6 +579,62 @@ static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev) WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); } +static void vcn_v1_0_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel) +{ + uint32_t reg_data = 0; + + /* disable JPEG CGC */ + if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG) + reg_data = 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + else + reg_data = 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; + reg_data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; + reg_data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; + WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel); + + WREG32_SOC15_DPG_MODE(UVD, 0, mmJPEG_CGC_GATE, 0, 0xFFFFFFFF, sram_sel); + + /* 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; + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel); + + 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__SCPU_MODE_MASK); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_CTRL, reg_data, 0xFFFFFFFF, sram_sel); + + /* turn off clock gating */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_CGC_GATE, 0, 0xFFFFFFFF, sram_sel); + + /* turn on SUVD clock gating */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_GATE, 1, 0xFFFFFFFF, sram_sel); + + /* turn on sw mode in UVD_SUVD_CGC_CTRL */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SUVD_CGC_CTRL, 0, 0xFFFFFFFF, sram_sel); +} + static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev) { uint32_t data = 0; @@ -614,7 +730,7 @@ static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev) * * Setup and start the VCN block */ -static int vcn_v1_0_start(struct amdgpu_device *adev) +static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev) { struct amdgpu_ring *ring = &adev->vcn.ring_dec; uint32_t rb_bufsz, tmp; @@ -628,7 +744,7 @@ static int vcn_v1_0_start(struct amdgpu_device *adev) /* disable clock gating */ vcn_v1_0_disable_clock_gating(adev); - vcn_v1_0_mc_resume(adev); + vcn_v1_0_mc_resume_spg_mode(adev); /* disable interupt */ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0, @@ -799,6 +915,170 @@ static int vcn_v1_0_start(struct amdgpu_device *adev) return 0; } +static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring = &adev->vcn.ring_dec; + uint32_t rb_bufsz, tmp, reg_data; + uint32_t lmi_swap_cntl; + + /* disable byte swapping */ + lmi_swap_cntl = 0; + + vcn_1_0_enable_static_power_gating(adev); + + /* enable dynamic power gating mode */ + reg_data = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS); + reg_data |= UVD_POWER_STATUS__UVD_PG_MODE_MASK; + reg_data |= UVD_POWER_STATUS__UVD_PG_EN_MASK; + WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, reg_data); + + /* enable clock gating */ + vcn_v1_0_clock_gating_dpg_mode(adev, 0); + + /* enable VCPU clock */ + reg_data = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT); + reg_data |= UVD_VCPU_CNTL__CLK_EN_MASK; + reg_data |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK; + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CNTL, reg_data, 0xFFFFFFFF, 0); + + /* disable interupt */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN, + 0, UVD_MASTINT_EN__VCPU_EN_MASK, 0); + + /* stall UMC and register bus before resetting VCPU */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2, + UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0); + + /* put LMI, VCPU, RBC etc... into reset */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, + UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | + UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | + UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | + UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | + UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | + UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | + UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | + UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK, + 0xFFFFFFFF, 0); + + /* initialize VCN memory controller */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL, + (0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | + UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | + UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | + UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | + UVD_LMI_CTRL__REQ_MODE_MASK | + 0x00100000L, 0xFFFFFFFF, 0); + +#ifdef __BIG_ENDIAN + /* swap (8 in 32) RB and IB */ + lmi_swap_cntl = 0xa; +#endif + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl, 0xFFFFFFFF, 0); + + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXA0, 0x40c2040, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXA1, 0x0, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXB0, 0x40c2040, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUXB1, 0x0, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_ALU, 0, 0xFFFFFFFF, 0); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MPC_SET_MUX, 0x88, 0xFFFFFFFF, 0); + + vcn_v1_0_mc_resume_dpg_mode(adev); + + /* take all subblocks out of reset, except VCPU */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, + UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 0xFFFFFFFF, 0); + + /* enable VCPU clock */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CNTL, + UVD_VCPU_CNTL__CLK_EN_MASK, 0xFFFFFFFF, 0); + + /* enable UMC */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2, + 0, UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0); + + /* boot up the VCPU */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, 0, 0xFFFFFFFF, 0); + + /* enable master interrupt */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN, + (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), + (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), 0); + + vcn_v1_0_clock_gating_dpg_mode(adev, 1); + /* setup mmUVD_LMI_CTRL */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL, + (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_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), 0xFFFFFFFF, 1); + + tmp = adev->gfx.config.gb_addr_config; + /* setup VCN global tiling registers */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1); + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_JPEG_UV_ADDR_CONFIG, tmp, 0xFFFFFFFF, 1); + + /* enable System Interrupt for JRBC */ + WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SYS_INT_EN, + UVD_SYS_INT_EN__UVD_JRBC_EN_MASK, 0xFFFFFFFF, 1); + + /* 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_WPTR_POLL_EN, 0); + 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, 0, mmUVD_RBC_RB_CNTL, tmp); + + /* set the write pointer delay */ + WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0); + + /* set the wb address */ + WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR, + (upper_32_bits(ring->gpu_addr) >> 2)); + + /* programm the RB_BASE for ring buffer */ + WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, + lower_32_bits(ring->gpu_addr)); + WREG32_SOC15(UVD, 0, 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, 0, mmUVD_RBC_RB_RPTR, 0); + + ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); + WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, + lower_32_bits(ring->wptr)); + + WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0, + ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); + + /* initialize wptr */ + ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR); + + /* copy patch commands to the jpeg ring */ + vcn_v1_0_jpeg_ring_set_patch_ring(ring, + (ring->wptr + ring->max_dw * amdgpu_sched_hw_submission)); + + return 0; +} + +static int vcn_v1_0_start(struct amdgpu_device *adev) +{ + int r; + + if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) + r = vcn_v1_0_start_dpg_mode(adev); + else + r = vcn_v1_0_start_spg_mode(adev); + return r; +} + /** * vcn_v1_0_stop - stop VCN block * @@ -806,7 +1086,7 @@ static int vcn_v1_0_start(struct amdgpu_device *adev) * * stop the VCN block */ -static int vcn_v1_0_stop(struct amdgpu_device *adev) +static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev) { /* force RBC into idle state */ WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, 0x11010101); @@ -836,6 +1116,33 @@ static int vcn_v1_0_stop(struct amdgpu_device *adev) return 0; } +static int vcn_v1_0_stop_dpg_mode(struct amdgpu_device *adev) +{ + int ret_code; + + /* Wait for power status to be 1 */ + SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1, + UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code); + + /* disable dynamic power gating mode */ + WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0, + ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); + + return 0; +} + +static int vcn_v1_0_stop(struct amdgpu_device *adev) +{ + int r; + + if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) + r = vcn_v1_0_stop_dpg_mode(adev); + else + r = vcn_v1_0_stop_spg_mode(adev); + + return r; +} + static bool vcn_v1_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; -- 2.7.4