linux-kernel - Re: [PATCH v14 1/2] drm/tegra: dc: Support memory bandwidth management

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Date:   Thu, 11 Mar 2021 20:12:35 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>
Cc:     linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v14 1/2] drm/tegra: dc: Support memory bandwidth
 management

11.03.2021 20:06, Dmitry Osipenko пишет:
> +static const char * const tegra_plane_icc_names[TEGRA_DC_LEGACY_PLANES_NUM] = {
> +	"wina", "winb", "winc", "", "", "", "cursor",
> +};
> +
> +int tegra_plane_interconnect_init(struct tegra_plane *plane)
> +{
> +	const char *icc_name = tegra_plane_icc_names[plane->index];
> +	struct device *dev = plane->dc->dev;
> +	struct tegra_dc *dc = plane->dc;
> +	int err;
> +
> +	if (WARN_ON(plane->index >= TEGRA_DC_LEGACY_PLANES_NUM) ||
> +	    WARN_ON(!tegra_plane_icc_names[plane->index]))
> +		return -EINVAL;

It just occurred to me that I added the NULL-check here, but missed to
change "" to NULLs. I'll make a v15 shortly.