Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 15 Jan 2007 07:04:27 +0100 | From | Bernardo Innocenti <> | Subject | Re: [Linux-fbdev-devel] How to mmap a shadow framebuffer in virtual memory |
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Geert Uytterhoeven wrote:
> It's known to work for the PS3 frame buffer device driver, which copies the > virtual frame buffer to the GPU on every vsync. Check out ps3fb_mmap() in > http://www.kernel.org/git/?p=linux/kernel/git/geoff/ps3-linux.git;a=blob_plain;f=drivers/video/ps3fb.c;hb=HEAD
I still couldn't solve my problem, but thanks for helping.
The way you map memory in ps3fb_mmap() is basically the same. In my case, memory is allocated with __get_free_pages() instead of being at an absolute physical address, but I can't see how it could make any difference.
-- // Bernardo Innocenti - Develer S.r.l., R&D dept. \X/ http://www.develer.com/ - 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/
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