linux-kernel - Re: [v4] drm/msm/disp/dpu1: add support for dspp sub block flush in sc7280

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Message-ID: <CAE-0n51x3um=CZFk0K0k=7XkgbUk7OixtTjr2oqkhOLOz7yzwg@mail.gmail.com>
Date:   Sun, 11 Sep 2022 17:51:24 -0500
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kalyan Thota <quic_kalyant@...cinc.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        y@...lcomm.com
Cc:     linux-kernel@...r.kernel.org, robdclark@...il.com,
        dianders@...omium.org, quic_vpolimer@...cinc.com,
        dmitry.baryshkov@...aro.org, quic_abhinavk@...cinc.com
Subject: Re: [v4] drm/msm/disp/dpu1: add support for dspp sub block flush in sc7280

Quoting Kalyan Thota (2022-09-08 00:26:28)
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> index a35ecb6..bbda09a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> @@ -307,6 +309,31 @@ static void dpu_hw_ctl_update_pending_flush_dspp(struct dpu_hw_ctl *ctx,
>         }
>  }
>
> +static void dpu_hw_ctl_update_pending_flush_dspp_subblocks(
> +       struct dpu_hw_ctl *ctx, enum dpu_dspp dspp, u32 dspp_sub_blk)
> +{
> +       uint32_t flushbits = 0, active;

Please use u32 in the kernel. It's shorter.