x86/mm/pat: Don't report PAT on CPUs that don't support it
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-devices-platform-sh_mobile_lcdc_fb
blob2107082426daf2f5076d7bb851a6dcca189484d9
1 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
2 Date:           May 2012
3 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
4 Description:
5                 This file is only available on fb[0-9] devices corresponding
6                 to overlay planes.
8                 Stores the alpha blending value for the overlay. Values range
9                 from 0 (transparent) to 255 (opaque). The value is ignored if
10                 the mode is not set to Alpha Blending.
12 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
13 Date:           May 2012
14 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
15 Description:
16                 This file is only available on fb[0-9] devices corresponding
17                 to overlay planes.
19                 Selects the composition mode for the overlay. Possible values
20                 are
22                 0 - Alpha Blending
23                 1 - ROP3
25 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
26 Date:           May 2012
27 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
28 Description:
29                 This file is only available on fb[0-9] devices corresponding
30                 to overlay planes.
32                 Stores the x,y overlay position on the display in pixels. The
33                 position format is `[0-9]+,[0-9]+'.
35 What:           /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
36 Date:           May 2012
37 Contact:        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
38 Description:
39                 This file is only available on fb[0-9] devices corresponding
40                 to overlay planes.
42                 Stores the raster operation (ROP3) for the overlay. Values
43                 range from 0 to 255. The value is ignored if the mode is not
44                 set to ROP3.