Re: [PATCH] drm/msm: Fix fb plane offset calculation

From: Dmitry Baryshkov
Date: Tue May 10 2022 - 13:46:11 EST


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

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

> ---
> 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