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Date:   Mon, 26 Jun 2023 11:37:55 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        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>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, Lux Aliaga <they@...t.lgbt>
Subject: Re: [PATCH 08/15] drm/msm/dpu: Add SM6125 support

On 25.06.2023 22:19, Marijn Suijten wrote:
> On 2023-06-24 03:47:27, Konrad Dybcio wrote:
>> On 24.06.2023 02:41, Marijn Suijten wrote:
>>> Add definitions for the display hardware used on the Qualcomm SM6125
>>> platform.
>>>
>>> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
>>> ---
>> [...]
>>
>>> +static const struct dpu_perf_cfg sm6125_perf_data = {
>>> +	.max_bw_low = 4100000,
>>> +	.max_bw_high = 4100000,
>>> +	.min_core_ib = 2400000,
>>> +	.min_llcc_ib = 800000,
>> While Dmitry will likely validate other values
> 
> Lovely.
> 
>> I can tell you already that this SoC has no LLCC.
> 
> Copy-paste error on downstream?
> 
> https://git.codelinaro.org/clo/la/kernel/msm-4.14/-/blob/LA.UM.9.11.c25/arch/arm64/boot/dts/qcom/trinket-sde.dtsi#L146
> 
> - Marijn
Yes.

This code is bogus anyway and is just supposed to vote on DDR_FREQ_MIN

Konrad
> 
>>
>> Konrad
>>> +	.min_dram_ib = 800000,
>>> +	.min_prefill_lines = 24,
>>> +	.danger_lut_tbl = {0xf, 0xffff, 0x0},
>>> +	.safe_lut_tbl = {0xfff8, 0xf000, 0xffff},
>>> +	.qos_lut_tbl = {
>>> +		{.nentry = ARRAY_SIZE(sm8150_qos_linear),
>>> +		.entries = sm8150_qos_linear
>>> +		},
>>> +		{.nentry = ARRAY_SIZE(sc7180_qos_macrotile),
>>> +		.entries = sc7180_qos_macrotile
>>> +		},
>>> +		{.nentry = ARRAY_SIZE(sc7180_qos_nrt),
>>> +		.entries = sc7180_qos_nrt
>>> +		},
>>> +		/* TODO: macrotile-qseed is different from macrotile */
>>> +	},
>>> +	.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_sm6125_cfg = {
>>> +	.caps = &sm6125_dpu_caps,
>>> +	.ubwc = &sm6125_ubwc_cfg,
>>> +	.mdp_count = ARRAY_SIZE(sm6125_mdp),
>>> +	.mdp = sm6125_mdp,
>>> +	.ctl_count = ARRAY_SIZE(sm6125_ctl),
>>> +	.ctl = sm6125_ctl,
>>> +	.sspp_count = ARRAY_SIZE(sm6125_sspp),
>>> +	.sspp = sm6125_sspp,
>>> +	.mixer_count = ARRAY_SIZE(sm6125_lm),
>>> +	.mixer = sm6125_lm,
>>> +	.dspp_count = ARRAY_SIZE(sm6125_dspp),
>>> +	.dspp = sm6125_dspp,
>>> +	.pingpong_count = ARRAY_SIZE(sm6125_pp),
>>> +	.pingpong = sm6125_pp,
>>> +	.intf_count = ARRAY_SIZE(sm6125_intf),
>>> +	.intf = sm6125_intf,
>>> +	.vbif_count = ARRAY_SIZE(sdm845_vbif),
>>> +	.vbif = sdm845_vbif,
>>> +	.perf = &sm6125_perf_data,
>>> +	.mdss_irqs = BIT(MDP_SSPP_TOP0_INTR) | \
>>> +		     BIT(MDP_SSPP_TOP0_INTR2) | \
>>> +		     BIT(MDP_SSPP_TOP0_HIST_INTR) | \
>>> +		     BIT(MDP_INTF0_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 0de507d4d7b7..8a02bbdaae8a 100644
>>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
>>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
>>> @@ -33,6 +33,9 @@
>>>  #define VIG_SC7180_MASK \
>>>  	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED4))
>>>  
>>> +#define VIG_SM6125_MASK \
>>> +	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3LITE))
>>> +
>>>  #define VIG_SC7180_MASK_SDMA \
>>>  	(VIG_SC7180_MASK | BIT(DPU_SSPP_SMART_DMA_V2))
>>>  
>>> @@ -348,6 +351,8 @@ static const struct dpu_sspp_sub_blks sc7280_vig_sblk_0 =
>>>  
>>>  static const struct dpu_sspp_sub_blks sm6115_vig_sblk_0 =
>>>  				_VIG_SBLK("0", 2, DPU_SSPP_SCALER_QSEED4);
>>> +static const struct dpu_sspp_sub_blks sm6125_vig_sblk_0 =
>>> +				_VIG_SBLK("0", 3, DPU_SSPP_SCALER_QSEED3LITE);
>>>  
>>>  static const struct dpu_sspp_sub_blks sm8250_vig_sblk_0 =
>>>  				_VIG_SBLK("0", 5, DPU_SSPP_SCALER_QSEED4);
>>> @@ -762,6 +767,7 @@ static const struct dpu_qos_lut_entry sc7180_qos_nrt[] = {
>>>  
>>>  #include "catalog/dpu_5_0_sm8150.h"
>>>  #include "catalog/dpu_5_1_sc8180x.h"
>>> +#include "catalog/dpu_5_4_sm6125.h"
>>>  
>>>  #include "catalog/dpu_6_0_sm8250.h"
>>>  #include "catalog/dpu_6_2_sc7180.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 b860784ade72..4314235cb2b8 100644
>>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
>>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
>>> @@ -861,6 +861,7 @@ extern const struct dpu_mdss_cfg dpu_sc8180x_cfg;
>>>  extern const struct dpu_mdss_cfg dpu_sm8250_cfg;
>>>  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_sm6125_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;
>>> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>>> index aa8499de1b9f..a1c7ffb6dffb 100644
>>> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>>> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
>>> @@ -1305,6 +1305,7 @@ static const struct of_device_id dpu_dt_match[] = {
>>>  	{ .compatible = "qcom,sc8180x-dpu", .data = &dpu_sc8180x_cfg, },
>>>  	{ .compatible = "qcom,sc8280xp-dpu", .data = &dpu_sc8280xp_cfg, },
>>>  	{ .compatible = "qcom,sm6115-dpu", .data = &dpu_sm6115_cfg, },
>>> +	{ .compatible = "qcom,sm6125-dpu", .data = &dpu_sm6125_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, },
>>>

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