[PATCHv2 03/17] drm/omap: Init fbdev emulation only when we have displays

[Sebastian Reichel]

Hi,

On Wed, Feb 28, 2018 at 01:26:00PM +0200, Tomi Valkeinen wrote:
> From: Peter Ujfalusi <peter.ujfalusi at ti.com>
> 
> Do not try to init the fbdev if either num_crtcs or num_connectors is 0.
> In this case we do not have display so the fbdev init would fail anyways.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.co.uk>

-- Sebastian

>  drivers/gpu/drm/omapdrm/omap_fbdev.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> index be94480326d7..0f66c74a54b0 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> @@ -249,6 +249,9 @@ void omap_fbdev_init(struct drm_device *dev)
>  	struct drm_fb_helper *helper;
>  	int ret = 0;
>  
> +	if (!priv->num_crtcs || !priv->num_connectors)
> +		return;
> +
>  	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
>  	if (!fbdev)
>  		goto fail;
> -- 
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> 
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