On Mon, Dec 17, 2012 at 06:59:23PM +0100, Lucas Stach wrote:
> Check if sink is HDMI capable when enabling an output. This disables
> HDMI audio/infoframes if we are talking to a plain DVI sink. All things
> except this check are already in place.
> 
> Signed-off-by: Lucas Stach <[email protected]>
> ---
>  drivers/gpu/drm/tegra/hdmi.c | 3 +++
>  1 Datei geändert, 3 Zeilen hinzugefügt(+)
> 
> diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
> index ab40164..32ea7d4 100644
> --- a/drivers/gpu/drm/tegra/hdmi.c
> +++ b/drivers/gpu/drm/tegra/hdmi.c
> @@ -673,6 +673,9 @@ static int tegra_output_hdmi_enable(struct tegra_output 
> *output)
>       usleep_range(1000, 2000);
>       tegra_periph_reset_deassert(hdmi->clk);
>  
> +     /* if the connected sink is not HDMI capable fall back to plain DVI */
> +     hdmi->dvi = !drm_detect_hdmi_monitor((struct edid *)output->edid);

Shouldn't we update drm_detect_hdmi_monitor() to take a const struct
edid * instead so that this cast isn't required?

Thierry

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