From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: "Barnabás Czémán" <trabarni@gmail.com>
Cc: Rob Clark <robdclark@gmail.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
Date: Thu, 9 May 2024 23:42:49 +0300 [thread overview]
Message-ID: <CAA8EJpqQWN4zE7vn=dG+CNPnU=94z_of5o7NSdom6x3d7nObHA@mail.gmail.com> (raw)
In-Reply-To: <20240509-irq_wait-v2-1-b8b687b22cc4@gmail.com>
On Thu, 9 May 2024 at 22:40, Barnabás Czémán <trabarni@gmail.com> wrote:
>
> The irq_idx is unsigned so it cannot be lower than zero, better
> to change the condition to check if it is equal with zero.
> It could not cause any issue because a valid irq index starts from one.
>
> Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
> Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
In the previous revision you have got the Reviewed-by tag, which you
didn't include here for some reason.
This revision is:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Note, there is no need to send a next iteration just for these tags.
They usually get picked up by the patch management software (including
the Fixes tag).
> ---
> Changes in v2:
> - Add Fixes in commit message.
> - Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@gmail.com
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 119f3ea50a7c..cf7d769ab3b9 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -428,7 +428,7 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
> return -EWOULDBLOCK;
> }
>
> - if (irq_idx < 0) {
> + if (irq_idx == 0) {
> DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n",
> DRMID(phys_enc->parent), func);
> return 0;
>
> ---
> base-commit: 704ba27ac55579704ba1289392448b0c66b56258
> change-id: 20240509-irq_wait-49444cea77e2
>
> Best regards,
> --
> Barnabás Czémán <trabarni@gmail.com>
>
--
With best wishes
Dmitry
prev parent reply other threads:[~2024-05-09 20:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
2024-05-09 20:42 ` Abhinav Kumar
2024-05-09 20:42 ` Dmitry Baryshkov [this message]
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