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If vesafb is enabled in the config then /dev/fb0 is created by vesa
and this sm750 driver gets fb1, fb2. But we need to be fb0 and fb1 to
effectively work with xorg.
So if it has been alloted fb1, then try to remove the other fb0.
In the previous send, why #ifdef is used was asked.
https://lkml.org/lkml/2017/6/25/57
Answered at: https://lkml.org/lkml/2017/6/25/69
Also pasting here for reference.
'Did a quick research into "why".
The patch d8801e4df9 ("x86/PCI: Set IORESOURCE_ROM_SHADOW only for the
default VGA device") has started setting IORESOURCE_ROM_SHADOW in flags
for a default VGA device and that is being done only for x86.
And so, we will need that #ifdef to check IORESOURCE_ROM_SHADOW as that
needs to be checked only for a x86 and not for other arch.'
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Teddy Wang <teddy.wang@siliconmotion.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.