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forcing PCI mode before coldstart exec: NV28 starts to show signs of life now... This might fix coldstart trouble on some cards outthere.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9342 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-10-14 12:59:40 +00:00
parent bf25ef8f47
commit c1a1413c4d
1 changed files with 12 additions and 0 deletions
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12
src/add-ons/accelerants/nvidia/engine/nv_info.c
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@ -262,6 +262,12 @@ static status_t coldstart_card(uint8* rom, uint16 init1, uint16 init2, uint16 in
nv_crtc2_cursor_hide();
}
/* make sure AGP mode is OFF (confirmed NV28 getting into trouble otherwise!) */
/* note:
* this _must_ be done _after_ the screens where shut-off as no
* (memory) transactions may be in progress during this command. */
CFGW(AGPCMD, 0x00000000);
/* execute BIOS coldstart script(s) */
if (init1 || init2)
{
@ -338,6 +344,12 @@ static status_t coldstart_card_516_up(uint8* rom, PinsTables tabs, uint16 ram_ta
/* set timer denominator to 3 (in b0-15) */
// ACCW(PT_DENOMINATR, 0x00000003);
/* make sure AGP mode is OFF (confirmed NV28 getting into trouble otherwise!) */
/* note:
* this _must_ be done _after_ the screens where shut-off as no
* (memory) transactions may be in progress during this command. */
CFGW(AGPCMD, 0x00000000);
/* execute all BIOS coldstart script(s) */
if (tabs.InitScriptTablePtr)
{