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 ;-)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12597 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -23,8 +23,20 @@ bool nv_dac_crt_connected(void)
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/* turn on DAC */
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DACW(TSTCTRL, (DACR(TSTCTRL) & 0xfffeffff));
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/* select primary head and turn off CRT (and DVI?) outputs */
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DACW(OUTPUT, (output & 0x0000feee));
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if (si->ps.secondary_head)
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{
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/* select primary CRTC (head) and turn off CRT (and DVI?) outputs */
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DACW(OUTPUT, (output & 0x0000feee));
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}
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else
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{
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/* turn off CRT (and DVI?) outputs */
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/* note:
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* Don't touch the CRTC (head) assignment bit, as that would have undefined
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* results. Confirmed NV15 cards getting into lasting RAM access trouble
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* otherwise!! (goes for both system gfx RAM access and CRTC/DAC RAM access.) */
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DACW(OUTPUT, (output & 0x0000ffee));
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}
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/* wait for signal lines to stabilize */
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snooze(1000);
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/* re-enable CRT output */
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@ -29,7 +29,7 @@ bool nv_dac2_crt_connected()
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/* turn on DAC2 */
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DAC2W(TSTCTRL, (DAC2R(TSTCTRL) & 0xfffeffff));
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/* select primary head and turn off CRT (and DVI?) outputs */
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/* select primary CRTC (head) and turn off CRT (and DVI?) outputs */
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DAC2W(OUTPUT, (output & 0x0000feee));
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/* wait for signal lines to stabilize */
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snooze(1000);
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@ -90,7 +90,7 @@ status_t nv_general_powerup()
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{
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status_t status;
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LOG(1,("POWERUP: Haiku nVidia Accelerant 0.43 running.\n"));
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LOG(1,("POWERUP: Haiku nVidia Accelerant 0.44 running.\n"));
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/* preset no laptop */
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si->ps.laptop = false;
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