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Message-ID: <CAA8EJprS_Jk_Wowz-nK1nnYF1UUb-4SYUPhsF_qB4rL4GUPygA@mail.gmail.com>
Date:   Tue, 10 May 2022 20:45:51 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm: Fix fb plane offset calculation

On Tue, 10 May 2022 at 19:52, Rob Clark <robdclark@...il.com> wrote:
>
> From: Rob Clark <robdclark@...omium.org>
>
> The offset got dropped by accident.
>
> Fixes: d413e6f97134 ("drm/msm: Drop msm_gem_iova()")
> Signed-off-by: Rob Clark <robdclark@...omium.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>  drivers/gpu/drm/msm/msm_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c
> index 362775ae50af..4269da268a4a 100644
> --- a/drivers/gpu/drm/msm/msm_fb.c
> +++ b/drivers/gpu/drm/msm/msm_fb.c
> @@ -118,7 +118,7 @@ uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb,
>                 struct msm_gem_address_space *aspace, int plane)
>  {
>         struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
> -       return msm_fb->iova[plane];
> +       return msm_fb->iova[plane] + fb->offsets[plane];

Nit: can we push fb->offsets handling into msm_framebuffer_prepare()
instead? Then the msm_framebuffer_iova() would become trivial?

>  }
>
>  struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane)
> --
> 2.35.1
>


-- 
With best wishes
Dmitry

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