Re: [RfC PATCH] drm: fourcc byteorder: brings header file comments in line with reality.

From: Gerd Hoffmann
Date: Tue Apr 18 2017 - 06:14:21 EST


Hi,

> > Quite true that this proves nothing. However one should note that
> > fbcon -> fbdev works,
>
> BTW, this supports Gerd's patch, since the KMS fbdev emulation code uses
> e.g. DRM_FORMAT_XRGB8888 for depth/bpp 24/32, and the fbdev API uses
> native endian packed colour values.

Same is true for DRM_IOCTL_MODE_ADDFB, with depth/bpp 24/32 you'll get
DRM_FORMAT_XRGB8888 (only DRM_IOCTL_MODE_ADDFB2 allows userspace specify
fourcc formats directly).

cheers,
Gerd