[RFC PATCH 1/3] drm/msm/dp: fold disable_irq into devm_request_irq

Stephen Boyd swboyd at chromium.org
Thu Sep 8 00:33:40 UTC 2022


Quoting Dmitry Baryshkov (2022-09-01 02:15:25)
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index bfd0aeff3f0d..3173e6962a78 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -1251,13 +1251,12 @@ int dp_display_request_irq(struct msm_dp *dp_display)
>
>         rc = devm_request_irq(&dp->pdev->dev, dp->irq,
>                         dp_display_irq_handler,
> -                       IRQF_TRIGGER_HIGH, "dp_display_isr", dp);
> +                       IRQF_TRIGGER_HIGH | IRQF_NO_AUTOEN, "dp_display_isr", dp);
>         if (rc < 0) {
>                 DRM_ERROR("failed to request IRQ%u: %d\n",
>                                 dp->irq, rc);
>                 return rc;
>         }
> -       disable_irq(dp->irq);

It would be better to not disable the irq at all and mask the irq in the
hardware before requesting the irq. Can you add at least add a TODO for
that?


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