Messages in this thread |  | | Date | Mon, 20 Nov 2006 16:42:58 +0000 (GMT) | From | James Simmons <> | Subject | Re: [Linux-fbdev-devel] fbmem: is bootup logo broken for monochrome LCD ? |
| |
> On 11/17/06, James Simmons <jsimmons@infradead.org> wrote: > > > > Are those actually numbers? If they are the problem isn't byte reversal > > but bit shifting. > > > > 1010100 = 54 > > 0101010 = 2A > > It's not byte reversal, but _bits_ of each bytes have been inversed > (bit7->bit0, bit6->bit1, bit5->bit2, bit4->bit3, bit3->bit4, ...) > after calling slow_imageblit(). Is it something expected ?
Yipes!! Bit reversal. I have never seen that before. Is only the logo messed up? Slow_imageblit can be called if there is no dword alignment for the font bitmaps. So the question is do most if not all our fonts look okay?
> > I really don't understand why fbmem.c has its own routines to handle the > > logo for the color > map. I can set creating a fbcmap and calling > > fb_set_cmap instead. > > Unfortunately I cannot help you on this point... > > > That will be a separte patch. > > > > Thanks > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |