linux-kernel - Re: [PATCHv4 5/6] drm/omap: add framedone interrupt support

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Message-ID: <20181117210840.GE22813@amd>
Date:   Sat, 17 Nov 2018 22:08:40 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Tony Lindgren <tony@...mide.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        dri-devel@...ts.freedesktop.org, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCHv4 5/6] drm/omap: add framedone interrupt support

Hi!

> This prepares framedone interrupt handling for
> manual display update support.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>

Acked-by: Pavel Machek <pavel@....cz>

> @@ -217,6 +239,9 @@ static irqreturn_t omap_irq_handler(int irq, void *arg)
>  
>  		if (irqstatus & priv->dispc_ops->mgr_get_sync_lost_irq(priv->dispc, channel))
>  			omap_crtc_error_irq(crtc, irqstatus);
> +
> +		if (irqstatus & priv->dispc_ops->mgr_get_framedone_irq(priv->dispc, channel))
> +			omap_crtc_framedone_irq(crtc, irqstatus);
>  	}
>  
>  	omap_irq_ocp_error_handler(dev, irqstatus);

Will the mgr_get_framedone_irq(priv->dispc, channel) change from
interrupt to interrupt? Would it make sense to cache result as a
micro-organization?

Thanks,
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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