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SubjectRe: [PATCH RESEND 0/8] x86 platform framebuffers
On 08/02/2013 05:05 AM, David Herrmann wrote:
> Hi
>
> I cut down my previous series to no longer include the SimpleDRM driver. If
> anyone is interested, you can find it here:
> http://lwn.net/Articles/558104/
> I will resend it once these preparation patches are in.
>
> Changes since v2:
> - added common x86 formats (reported by hpa) (patch #5)
>
> This whole series (including simpledrm) is tested by Stephen and me. I would be
> glad if maintainers could ack/nack this so I can continue my work.
>
> This series is pretty small and just converts x86 to use platform-devices
> instead of global objects to pass framebuffer data to drivers. The commit
> messages explain everything in detail.
> The idea is to create a "platform-framebuffer" device which drivers can bind to.
> If x86 boot code detectes efi or vesa framebuffers, it creates efi-framebuffer
> or vesa-framebuffer devices instead.
>
> Additionally, if the modes are compatible, "simple-framebuffer" devices are
> created so simplefb can be used on x86. This feature is only enabled if
> CONFIG_X86_SYSFB is selected (off by default) so users without simplefb still
> get boot logs.
>
> @Stephen: I wasn't sure whether you tested the efi/vesa framebuffer changes,
> too, so I didn't add your tested-by there. And I changed patch #5 so I dropped
> it there, too. Thanks for testing!
>

I am getting a bunch of new warnings with this patchset, typically of
the form:


/home/hpa/kernel/distwork/drivers/video/arkfb.c:1019:23: warning: cast
to pointer from integer of different size [-Wint-to-pointer-cast]
par->state.vgabase = (void __iomem *) vga_res.start;
^
/home/hpa/kernel/distwork/drivers/video/s3fb.c: In function ‘s3_pci_probe’:
/home/hpa/kernel/distwork/drivers/video/s3fb.c:1186:23: warning: cast to
pointer from integer of different size [-Wint-to-pointer-cast]
par->state.vgabase = (void __iomem *) vga_res.start;
^
I have pushed it out to a topic branch in the tip tree, partly to give
Fengguang's build bot a run at it (it is excellent at spotting the
origin of new warnings), but this needs to be fixed; we will not merge
this branch in its current form.

-hpa

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