On Sun, Mar 17, 2019 at 06:24:59AM +0800, Yifeng Li wrote: > On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), the amount of Video > RAM is not detected correctly by the xf86-video-siliconmotion driver. > This is because sm712fb overwrites the GPR71 Scratch Pad Register, which > is set by BIOS on x86 and used to indicate amount of VRAM. > > Other Scratch Pad Registers, including GPR70/74/75, don't have the same > side-effect, but overwriting to them is still questionable, as they are > not related to modesetting. > > Stop writing to SR70/71/74/75 (a.k.a GPR70/71/74/75). > > Signed-off-by: Yifeng Li <to...@tomli.me> > Cc: sta...@vger.kernel.org # v4.4+
Tested-by: Sudip Mukherjee <sudipm.mukher...@gmail.com> -- Regards Sudip _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
