Re: [PATCH v5 08/12] drm/msm/dpu: Add SM6375 support

From: Konrad Dybcio
Date: Fri Jun 02 2023 - 04:57:23 EST



On 1.06.2023 16:56, Marijn Suijten wrote:
> On 2023-05-23 09:46:19, Konrad Dybcio wrote:
>> Add basic SM6375 support to the DPU1 driver to enable display output.
>
> Nit: The SM6350 commit doesn't use the word "basic" here: what does it
> mean? Is this addition not complete (because it seems so)?
Well the 6350 commit dates back to 2021 and we didn't have INTF_TE or
DSC back then, so it's possible I had that in mind..

Konrad
>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
>> .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h | 139 +++++++++++++++++++++
>> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 1 +
>> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 +
>> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
>> 4 files changed, 142 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h
>> new file mode 100644
>> index 000000000000..924f2526c06a
>> --- /dev/null
>> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h
>> @@ -0,0 +1,139 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
>> +/*
>> + * Copyright (c) 2022. Qualcomm Innovation Center, Inc. All rights reserved.
>> + * Copyright (c) 2015-2018, 2020 The Linux Foundation. All rights reserved.
>> + * Copyright (c) 2023, Linaro Limited
>> + */
>> +
>> +#ifndef _DPU_6_9_SM6375_H
>> +#define _DPU_6_9_SM6375_H
>> +
>> +static const struct dpu_caps sm6375_dpu_caps = {
>> + .max_mixer_width = DEFAULT_DPU_LINE_WIDTH,
>> + .max_mixer_blendstages = 0x4,
>> + .qseed_type = DPU_SSPP_SCALER_QSEED4,
>> + .has_dim_layer = true,
>> + .has_idle_pc = true,
>> + .max_linewidth = 2160,
>> + .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
>> +};
>> +
>> +static const struct dpu_ubwc_cfg sm6375_ubwc_cfg = {
>> + .ubwc_version = DPU_HW_UBWC_VER_20,
>> + .ubwc_swizzle = 6,
>> + .highest_bank_bit = 1,
>> +};
>> +
>> +static const struct dpu_mdp_cfg sm6375_mdp[] = {
>> + {
>> + .name = "top_0", .id = MDP_TOP,
>> + .base = 0x0, .len = 0x494,
>> + .features = 0,
>> + .clk_ctrls[DPU_CLK_CTRL_VIG0] = { .reg_off = 0x2ac, .bit_off = 0 },
>> + .clk_ctrls[DPU_CLK_CTRL_DMA0] = { .reg_off = 0x2ac, .bit_off = 8 },
>> + },
>> +};
>> +
>> +static const struct dpu_ctl_cfg sm6375_ctl[] = {
>> + {
>> + .name = "ctl_0", .id = CTL_0,
>> + .base = 0x1000, .len = 0x1dc,
>> + .features = BIT(DPU_CTL_ACTIVE_CFG),
>> + .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9),
>> + },
>> +};
>> +
>> +static const struct dpu_sspp_cfg sm6375_sspp[] = {
>> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, 0x1f8, VIG_SC7180_MASK,
>> + sm6115_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
>> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, 0x1f8, DMA_SDM845_MASK,
>> + sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
>> +};
>> +
>> +static const struct dpu_lm_cfg sm6375_lm[] = {
>> + LM_BLK("lm_0", LM_0, 0x44000, MIXER_QCM2290_MASK,
>> + &qcm2290_lm_sblk, PINGPONG_0, 0, DSPP_0),
>> +};
>> +
>> +static const struct dpu_dspp_cfg sm6375_dspp[] = {
>> + DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
>> + &sm8150_dspp_sblk),
>> +};
>> +
>> +static const struct dpu_pingpong_cfg sm6375_pp[] = {
>> + PP_BLK("pingpong_0", PINGPONG_0, 0x70000, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk,
>> + DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
>> + -1),
>> +};
>> +
>> +static const struct dpu_dsc_cfg sm6375_dsc[] = {
>> + DSC_BLK("dsc_0", DSC_0, 0x80000, BIT(DPU_DSC_OUTPUT_CTRL)),
>> +};
>> +
>> +static const struct dpu_intf_cfg sm6375_intf[] = {
>> + INTF_BLK("intf_0", INTF_0, 0x00000, 0x280, INTF_NONE, 0, 0, 0, 0, 0),
>> + INTF_BLK_DSI_TE("intf_1", INTF_1, 0x6a800, 0x2c0, INTF_DSI, 0, 24, INTF_SC7280_MASK,
>
> Did you forget to set this back to SC7180? This will be enabling
> DPU_INTF_DATA_COMPRESS otherwise, which is a DPU 7.x feature.
>
> - Marijn
>
>> + DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 26),
>> + DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 27),
>> + DPU_IRQ_IDX(MDP_INTF1_TEAR_INTR, 2)),
>> +};
>> +
>> +static const struct dpu_perf_cfg sm6375_perf_data = {
>> + .max_bw_low = 5200000,
>> + .max_bw_high = 6200000,
>> + .min_core_ib = 2500000,
>> + .min_llcc_ib = 0, /* No LLCC on this SoC */
>> + .min_dram_ib = 1600000,
>> + .min_prefill_lines = 24,
>> + /* TODO: confirm danger_lut_tbl */
>> + .danger_lut_tbl = {0xffff, 0xffff, 0x0},
>> + .safe_lut_tbl = {0xfe00, 0xfe00, 0xffff},
>> + .qos_lut_tbl = {
>> + {.nentry = ARRAY_SIZE(sm6350_qos_linear_macrotile),
>> + .entries = sm6350_qos_linear_macrotile
>> + },
>> + {.nentry = ARRAY_SIZE(sm6350_qos_linear_macrotile),
>> + .entries = sm6350_qos_linear_macrotile
>> + },
>> + {.nentry = ARRAY_SIZE(sc7180_qos_nrt),
>> + .entries = sc7180_qos_nrt
>> + },
>> + },
>> + .cdp_cfg = {
>> + {.rd_enable = 1, .wr_enable = 1},
>> + {.rd_enable = 1, .wr_enable = 0}
>> + },
>> + .clk_inefficiency_factor = 105,
>> + .bw_inefficiency_factor = 120,
>> +};
>> +
>> +const struct dpu_mdss_cfg dpu_sm6375_cfg = {
>> + .caps = &sm6375_dpu_caps,
>> + .ubwc = &sm6375_ubwc_cfg,
>> + .mdp_count = ARRAY_SIZE(sm6375_mdp),
>> + .mdp = sm6375_mdp,
>> + .ctl_count = ARRAY_SIZE(sm6375_ctl),
>> + .ctl = sm6375_ctl,
>> + .sspp_count = ARRAY_SIZE(sm6375_sspp),
>> + .sspp = sm6375_sspp,
>> + .mixer_count = ARRAY_SIZE(sm6375_lm),
>> + .mixer = sm6375_lm,
>> + .dspp_count = ARRAY_SIZE(sm6375_dspp),
>> + .dspp = sm6375_dspp,
>> + .dsc_count = ARRAY_SIZE(sm6375_dsc),
>> + .dsc = sm6375_dsc,
>> + .pingpong_count = ARRAY_SIZE(sm6375_pp),
>> + .pingpong = sm6375_pp,
>> + .intf_count = ARRAY_SIZE(sm6375_intf),
>> + .intf = sm6375_intf,
>> + .vbif_count = ARRAY_SIZE(sdm845_vbif),
>> + .vbif = sdm845_vbif,
>> + .perf = &sm6375_perf_data,
>> + .mdss_irqs = BIT(MDP_SSPP_TOP0_INTR) | \
>> + BIT(MDP_SSPP_TOP0_INTR2) | \
>> + BIT(MDP_SSPP_TOP0_HIST_INTR) | \
>> + BIT(MDP_INTF1_INTR) | \
>> + BIT(MDP_INTF1_TEAR_INTR),
>> +};
>> +
>> +#endif
>> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
>> index 6e338d569632..7cfdcf7aa486 100644
>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
>> @@ -750,6 +750,7 @@ static const struct dpu_qos_lut_entry sc7180_qos_nrt[] = {
>> #include "catalog/dpu_6_3_sm6115.h"
>> #include "catalog/dpu_6_4_sm6350.h"
>> #include "catalog/dpu_6_5_qcm2290.h"
>> +#include "catalog/dpu_6_9_sm6375.h"
>>
>> #include "catalog/dpu_7_0_sm8350.h"
>> #include "catalog/dpu_7_2_sc7280.h"
>> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
>> index ed4311f6aaf0..b84c14318449 100644
>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
>> @@ -836,6 +836,7 @@ extern const struct dpu_mdss_cfg dpu_sc7180_cfg;
>> extern const struct dpu_mdss_cfg dpu_sm6115_cfg;
>> extern const struct dpu_mdss_cfg dpu_sm6350_cfg;
>> extern const struct dpu_mdss_cfg dpu_qcm2290_cfg;
>> +extern const struct dpu_mdss_cfg dpu_sm6375_cfg;
>> extern const struct dpu_mdss_cfg dpu_sm8350_cfg;
>> extern const struct dpu_mdss_cfg dpu_sc7280_cfg;
>> extern const struct dpu_mdss_cfg dpu_sc8280xp_cfg;
>> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>> index d9925097626c..d3ca8c3c808c 100644
>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>> @@ -1329,6 +1329,7 @@ static const struct of_device_id dpu_dt_match[] = {
>> { .compatible = "qcom,sc8280xp-dpu", .data = &dpu_sc8280xp_cfg, },
>> { .compatible = "qcom,sm6115-dpu", .data = &dpu_sm6115_cfg, },
>> { .compatible = "qcom,sm6350-dpu", .data = &dpu_sm6350_cfg, },
>> + { .compatible = "qcom,sm6375-dpu", .data = &dpu_sm6375_cfg, },
>> { .compatible = "qcom,sm8150-dpu", .data = &dpu_sm8150_cfg, },
>> { .compatible = "qcom,sm8250-dpu", .data = &dpu_sm8250_cfg, },
>> { .compatible = "qcom,sm8350-dpu", .data = &dpu_sm8350_cfg, },
>>
>> --
>> 2.40.1
>>