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Message-ID: <ed82c2b0-497c-7273-5010-30eb3ef29290@linaro.org>
Date:   Tue, 18 Apr 2023 14:16:18 +0200
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Subject: Re: [PATCH v2 02/17] drm/msm/dpu: Remove TE2 block and feature from
 DPU >= 7.0.0 hardware
Content-Language: en-US
To:     Marijn Suijten <marijn.suijten@somainline.org>,
        Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Adam Skladowski <a39.skl@gmail.com>,
        Loic Poulain <loic.poulain@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Kuogee Hsieh <quic_khsieh@quicinc.com>,
        Robert Foss <rfoss@kernel.org>, Vinod Koul <vkoul@kernel.org>,
        Rajesh Yadav <ryadav@codeaurora.org>,
        Jeykumar Sankaran <jsanka@codeaurora.org>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Chandan Uddaraju <chandanu@codeaurora.org>
Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@somainline.org>,
        Martin Botka <martin.botka@somainline.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
        freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Jordan Crouse <jordan@cosmicpenguin.net>,
        Archit Taneja <architt@codeaurora.org>,
        Sravanthi Kollukuduru <skolluku@codeaurora.org>
References: <20230411-dpu-intf-te-v2-0-ef76c877eb97@somainline.org>
 <20230411-dpu-intf-te-v2-2-ef76c877eb97@somainline.org>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20230411-dpu-intf-te-v2-2-ef76c877eb97@somainline.org>
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Precedence: bulk


On 17.04.2023 22:21, Marijn Suijten wrote:
> No hardware beyond kona (sm8250) defines the TE2 PINGPONG sub-block
> offset downstream.  Even though neither downstream nor upstream utilizes
> these registers in any way, remove the erroneous specification for
> SC8280XP, SM8350 and SM8450 to prevent confusion.
> 
> Note that downstream enables the PPSPLIT (split-FIFO) topology (single
> LM for 2 PP and 2 INTF) based on the presence of a TE2 block.
> 
> Fixes: f0a1bdf64dd7 ("drm/msm/dpu: Introduce SC8280XP")
> Fixes: 0a72f23f6ef8 ("drm/msm/dpu: Add SM8350 to hw catalog")
> Fixes: 8cbbc3396065 ("drm/msm/dpu: add support for SM8450")
> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h   |  4 ++--
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h | 12 ++++++------
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h   |  4 ++--
>  3 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> index ca107ca8de46..41ef0c8fc993 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_0_sm8350.h
> @@ -127,10 +127,10 @@ static const struct dpu_dspp_cfg sm8350_dspp[] = {
>  };
>  
>  static const struct dpu_pingpong_cfg sm8350_pp[] = {
> -	PP_BLK_TE("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk,
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12)),
> -	PP_BLK_TE("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk,
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 13)),
>  	PP_BLK("pingpong_2", PINGPONG_2, 0x6b000, MERGE_3D_1, sdm845_pp_sblk,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> index 9aab110b8c44..12c14d15e386 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> @@ -121,17 +121,17 @@ static const struct dpu_dspp_cfg sc8280xp_dspp[] = {
>  };
>  
>  static const struct dpu_pingpong_cfg sc8280xp_pp[] = {
> -	PP_BLK_TE("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8), -1),
> -	PP_BLK_TE("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9), -1),
> -	PP_BLK_TE("pingpong_2", PINGPONG_2, 0x6b000, MERGE_3D_1, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_2", PINGPONG_2, 0x6b000, MERGE_3D_1, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 10), -1),
> -	PP_BLK_TE("pingpong_3", PINGPONG_3, 0x6c000, MERGE_3D_1, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_3", PINGPONG_3, 0x6c000, MERGE_3D_1, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 11), -1),
> -	PP_BLK_TE("pingpong_4", PINGPONG_4, 0x6d000, MERGE_3D_2, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_4", PINGPONG_4, 0x6d000, MERGE_3D_2, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 30), -1),
> -	PP_BLK_TE("pingpong_5", PINGPONG_5, 0x6e000, MERGE_3D_2, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_5", PINGPONG_5, 0x6e000, MERGE_3D_2, sdm845_pp_sblk,
>  		  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 31), -1),
>  };
>  
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> index 02a259b6b426..e409c119b0a2 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
> @@ -128,10 +128,10 @@ static const struct dpu_dspp_cfg sm8450_dspp[] = {
>  };
>  /* FIXME: interrupts */
>  static const struct dpu_pingpong_cfg sm8450_pp[] = {
> -	PP_BLK_TE("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sdm845_pp_sblk,
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12)),
> -	PP_BLK_TE("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk_te,
> +	PP_BLK("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sdm845_pp_sblk,
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
>  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 13)),
>  	PP_BLK("pingpong_2", PINGPONG_2, 0x6b000, MERGE_3D_1, sdm845_pp_sblk,
>