[PATCHv2 06/31] drm/omap: Init fbdev emulation only when we have displays

[Daniel Vetter]

On Fri, Mar 24, 2017 at 11:40:27AM +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>

Should be made obselete by Thierry's delayed fbdev setup series. Please
help get that one landed instead.
-Daniel

> ---
>  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 4e89dd537862..73619e201c0c 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> @@ -250,6 +250,9 @@ struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
>  	struct drm_fb_helper *helper;
>  	int ret = 0;
>  
> +	if (!priv->num_crtcs || !priv->num_connectors)
> +		return NULL;
> +
>  	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
>  	if (!fbdev)
>  		goto fail;
> -- 
> 2.7.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch