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fixed NV15 RAM access/distortions trouble introduced in V0.10 of this drivercd obos_svn/trunk/src/add-ons/accelerants/nvidia/ Might fix other singlehead card likewise trouble as well. Bumped driver version to 0.44. Note: for 3D NV15 is the fastest currently supported card ;-)

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12597 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2005-05-08 10:30:14 +00:00
parent 821d08e5ea
commit 6a2443fd04
3 changed files with 16 additions and 4 deletions
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16
src/add-ons/accelerants/nvidia/engine/nv_dac.c
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@ -23,8 +23,20 @@ bool nv_dac_crt_connected(void)
/* turn on DAC */
DACW(TSTCTRL, (DACR(TSTCTRL) & 0xfffeffff));
/* select primary head and turn off CRT (and DVI?) outputs */
DACW(OUTPUT, (output & 0x0000feee));
if (si->ps.secondary_head)
{
/* select primary CRTC (head) and turn off CRT (and DVI?) outputs */
DACW(OUTPUT, (output & 0x0000feee));
}
else
{
/* turn off CRT (and DVI?) outputs */
/* note:
* Don't touch the CRTC (head) assignment bit, as that would have undefined
* results. Confirmed NV15 cards getting into lasting RAM access trouble
* otherwise!! (goes for both system gfx RAM access and CRTC/DAC RAM access.) */
DACW(OUTPUT, (output & 0x0000ffee));
}
/* wait for signal lines to stabilize */
snooze(1000);
/* re-enable CRT output */

2
src/add-ons/accelerants/nvidia/engine/nv_dac2.c
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@ -29,7 +29,7 @@ bool nv_dac2_crt_connected()
/* turn on DAC2 */
DAC2W(TSTCTRL, (DAC2R(TSTCTRL) & 0xfffeffff));
/* select primary head and turn off CRT (and DVI?) outputs */
/* select primary CRTC (head) and turn off CRT (and DVI?) outputs */
DAC2W(OUTPUT, (output & 0x0000feee));
/* wait for signal lines to stabilize */
snooze(1000);

2
src/add-ons/accelerants/nvidia/engine/nv_general.c
View File

@ -90,7 +90,7 @@ status_t nv_general_powerup()
{
status_t status;
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.43 running.\n"));
LOG(1,("POWERUP: Haiku nVidia Accelerant 0.44 running.\n"));
/* preset no laptop */
si->ps.laptop = false;