Re: [PATCH 3/8] fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75.

2019-03-31 Thread Sudip Mukherjee
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

[PATCH 3/8] fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75.

2019-03-18 Thread Yifeng Li
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 Registe