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authorEric Miao <ycmiao@ycmiao-hp520.(none)>2008-12-18 22:36:26 +0800
committerEric Miao <eric.miao@marvell.com>2008-12-29 17:59:17 +0800
commit878f5783199a95cfa91db45a6e34d2f72756fa18 (patch)
treec979a4d4fdadf270baff1471f44ac91fe5c5e6af /drivers/video/pxafb.h
parenta0427509a76c61984fbba4e206b617c689f419ef (diff)
[ARM] pxafb: cleanup of the color format manipulation code
1. introduce var_to_depth() to calculate the color depth including the transparency bit 2. the conversion from 'fb_var_screeninfo' to LCCR3 BPP bits can be re- used by overlays (in OVLxC1), thus an individual pxafb_var_to_bpp() has been separated out. 3. pxafb_setmode() should really set the color bitfields correctly at begining, introduce a pxafb_set_pixfmt() for this 4. allow user apps to specify color formats within fb_var_screeninfo, and checking of this in pxafb_check_var() has been simplified as below: a) pxafb_var_to_bpp() should pass - which means a basically correct bits_per_pixel and color depth setting b) the RGBT bitfields are then forced into supported values by pxafb_set_pixfmt() Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Eric Miao <ycmiao@ycmiao-hp520.(none)>
Diffstat (limited to 'drivers/video/pxafb.h')
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