[PATCH 13/14] drm: Adjust the maximum value of suggested [X|Y] properties

[Daniel Vetter]

On Tue, Mar 15, 2016 at 08:30:03AM +0100, Thomas Hellstrom wrote:
> X re-export these values as 32-bit, so they end up as -1.
> 
> Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>

Imo that's a bug in X, and X should clamp the range itself. Not the
kernel. Prop abi is pretty consistent that its all 64bit values.
-Daniel

> ---
>  drivers/gpu/drm/drm_crtc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 8451400..a27b2e0 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -1789,10 +1789,10 @@ int drm_mode_create_suggested_offset_properties(struct drm_device *dev)
>  		return 0;
>  
>  	dev->mode_config.suggested_x_property =
> -		drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff);
> +		drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0x7fffffff);
>  
>  	dev->mode_config.suggested_y_property =
> -		drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff);
> +		drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0x7fffffff);
>  
>  	if (dev->mode_config.suggested_x_property == NULL ||
>  	    dev->mode_config.suggested_y_property == NULL)
> -- 
> 2.5.0
> 
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch