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axeld:

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Restore ignoring the BIOS provided width and height in case the timings
suggest a bigger dimension. Also re-add the corresponding comment. Should
fix #4810 and might affect #4807 as well.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33652 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz 2009-10-19 09:06:10 +00:00
parent 86860a0c07
commit b5addd82d7
1 changed files with 8 additions and 0 deletions
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8
src/add-ons/accelerants/intel_extreme/mode.cpp
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@ -435,6 +435,14 @@ retrieve_current_mode(display_mode& mode, uint32 pllRegister)
mode.virtual_width = (value >> 16) + 1;
mode.virtual_height = (value & 0xffff) + 1;
// using virtual size based on image size is the 'proper' way to do it,
// however the bios appears to be suggesting scaling or somesuch, so ignore
// the proper virtual dimension for now if they'd suggest a smaller size.
if (mode.virtual_width < mode.timing.h_display)
mode.virtual_width = mode.timing.h_display;
if (mode.virtual_height < mode.timing.v_display)
mode.virtual_height = mode.timing.v_display;
value = read32(controlRegister);
switch (value & DISPLAY_CONTROL_COLOR_MASK) {
case DISPLAY_CONTROL_RGB32: