From: Abhinav Kumar <quic_abhinavk@quicinc.com>
To: "Barnabás Czémán" <trabarni@gmail.com>,
"Rob Clark" <robdclark@gmail.com>,
"Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>,
"Sean Paul" <sean@poorly.run>,
"Marijn Suijten" <marijn.suijten@somainline.org>,
"David Airlie" <airlied@gmail.com>,
"Daniel Vetter" <daniel@ffwll.ch>
Cc: <linux-arm-msm@vger.kernel.org>,
<dri-devel@lists.freedesktop.org>,
<freedreno@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] drm/msm/dpu: fix encoder irq wait skip
Date: Thu, 9 May 2024 12:27:10 -0700 [thread overview]
Message-ID: <389f63a0-c00f-719b-085f-d562c2b5da08@quicinc.com> (raw)
In-Reply-To: <20240509-irq_wait-v1-1-41d653e3784e@gmail.com>
On 5/9/2024 10:39 AM, Barnabás Czémán 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.
>
> Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
I think we also need
Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
With that,
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> 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,
prev parent reply other threads:[~2024-05-09 19:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-09 17:39 [PATCH] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
2024-05-09 19:27 ` Abhinav Kumar [this message]
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