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Message-ID: <rhlkjdphwaqcqgqbac7lue7jwzkjs4iic32jq34qletrcpkss6@hleig3kyot7p>
Date: Thu, 27 Apr 2023 17:46:48 +0200
From: Marijn Suijten <marijn.suijten@...ainline.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Krishna Manikandan <quic_mkrishn@...cinc.com>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>, linux-arm-msm@...r.kernel.org,
dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev
Subject: Re: [PATCH v2 09/13] drm/msm/dpu: Add SM6375 support
On 2023-04-21 00:31:18, Konrad Dybcio wrote:
> Add basic SM6375 support to the DPU1 driver to enable display output.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h | 5 -
> .../gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h | 152 +++++++++++++++++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 14 ++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 +
> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
> 5 files changed, 168 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h
> index 687a508cbaa6..d46b43964be6 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h
> @@ -126,11 +126,6 @@ static const struct dpu_vbif_cfg sm6350_vbif[] = {
> },
> };
>
> -static const struct dpu_qos_lut_entry sm6350_qos_linear_macrotile[] = {
> - {.fl = 0, .lut = 0x0011223344556677 },
> - {.fl = 0, .lut = 0x0011223445566777 },
> -};
> -
> static const struct dpu_perf_cfg sm6350_perf_data = {
> .max_bw_low = 4200000,
> .max_bw_high = 5100000,
> 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..19ca0051e072
> --- /dev/null
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h
> @@ -0,0 +1,152 @@
> +/* 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 = 2048,
> + .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,
> + &sm6375_lm_sblk, PINGPONG_0, 0, DSPP_0),
Same indentation nit here as in SM6350.
> +};
> +
> +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_intf_cfg sm6375_intf[] = {
> + INTF_BLK("intf_0", INTF_0, 0x00000, 0x2c0, INTF_NONE, 0, 0, 0, 0, 0),
> + INTF_BLK_DSI_TE("intf_1", INTF_1, 0x6a800, 0x2c0, INTF_DSI, 0, 24, INTF_SC7280_MASK,
> + 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_vbif_cfg sm6375_vbif[] = {
> + {
> + .name = "vbif_0", .id = VBIF_RT,
> + .base = 0, .len = 0x2008,
> + .features = BIT(DPU_VBIF_QOS_REMAP),
> + .xin_halt_timeout = 0x4000,
> + .qos_rp_remap_size = 0x40,
> + .qos_rt_tbl = {
> + .npriority_lvl = ARRAY_SIZE(sdm845_rt_pri_lvl),
> + .priority_lvl = sdm845_rt_pri_lvl,
> + },
> + .qos_nrt_tbl = {
> + .npriority_lvl = ARRAY_SIZE(sdm845_nrt_pri_lvl),
> + .priority_lvl = sdm845_nrt_pri_lvl,
> + },
> + .memtype_count = 14,
> + .memtype = {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
> + },
> +};
> +
> +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, 0x0, 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,
> + .pingpong_count = ARRAY_SIZE(sm6375_pp),
> + .pingpong = sm6375_pp,
> + .intf_count = ARRAY_SIZE(sm6375_intf),
> + .intf = sm6375_intf,
> + .vbif_count = ARRAY_SIZE(sm6375_vbif),
> + .vbif = sm6375_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_INTF0_INTR) | \
INTF0 is set to INTF_NONE, no point in turning on the interrupt for it.
https://lore.kernel.org/linux-arm-msm/20230411-dpu-intf-te-v4-1-27ce1a5ab5c6@somainline.org/
> + BIT(MDP_INTF1_INTR)
And you might want to turn on MDP_INTF1_TEAR_INTR (same on SM6350), that
could explain why INTF TE wasn't working on these SoCs yet.
- Marijn
> +};
> +
> +#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 52750b592b36..29516273dd6b 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -440,6 +440,14 @@ static const struct dpu_lm_sub_blks sc7180_lm_sblk = {
> },
> };
>
> +static const struct dpu_lm_sub_blks sm6375_lm_sblk = {
> + .maxwidth = 2048,
> + .maxblendstages = 4, /* excluding base layer */
> + .blendstage_base = { /* offsets relative to mixer base */
> + 0x20, 0x38, 0x50, 0x68
> + },
> +};
> +
> /* QCM2290 */
>
> static const struct dpu_lm_sub_blks qcm2290_lm_sblk = {
> @@ -751,6 +759,11 @@ static const struct dpu_qos_lut_entry sc7180_qos_linear[] = {
> {.fl = 0, .lut = 0x0011222222335777},
> };
>
> +static const struct dpu_qos_lut_entry sm6350_qos_linear_macrotile[] = {
> + {.fl = 0, .lut = 0x0011223344556677 },
> + {.fl = 0, .lut = 0x0011223445566777 },
> +};
> +
> static const struct dpu_qos_lut_entry sm8150_qos_linear[] = {
> {.fl = 0, .lut = 0x0011222222223357 },
> };
> @@ -808,6 +821,7 @@ 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 f9611bd75e02..b4f193037869 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> @@ -884,6 +884,7 @@ 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 46be7ad8d615..980c3c8f8269 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -1287,6 +1287,7 @@ 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, },
>
> --
> 2.40.0
>
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