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fixed NV11 repeating screens trouble

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6506 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2004-02-05 16:26:47 +00:00
parent 32b68b5f10
commit 7a0db1a3bc
2 changed files with 23 additions and 5 deletions
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src/add-ons/accelerants/nvidia/engine/nv_general.c
+19 -5
View File
@@ -80,7 +80,7 @@ status_t nv_general_powerup()
{
status_t status;
LOG(1,("POWERUP: nVidia (open)BeOS Accelerant 0.08-final running.\n"));
LOG(1,("POWERUP: nVidia (open)BeOS Accelerant 0.09-1 running.\n"));
/* preset no laptop */
si->ps.laptop = false;
@@ -891,8 +891,15 @@ status_t nv_general_bios_to_powergraphics()
/* enable 'enhanced' mode on primary head: */
/* enable access to primary head */
if (si->ps.secondary_head) CRTCW(OWNER, 0x00);
/* don't doublebuffer CRTC access: set programmed values immediately;
* keep fine pitched CRTC granularity on > NV4 cards (b2 = 0) */
/* note: 'BUFFER' is a non-standard register in behaviour(!) on most
* NV11's like the GeForce2 MX200, while the MX400 and non-NV11 cards
* behave normally.
* Also readback is not nessesarily what was written before!
*
* Double-write action needed on those strange NV11 cards: */
/* RESET: don't doublebuffer CRTC access: set programmed values immediately... */
CRTCW(BUFFER, 0xff);
/* ... and keep fine pitched CRTC granularity on > NV4 cards (b2 = 0) */
CRTCW(BUFFER, 0xfb);
/* select VGA mode (old VGA register) */
CRTCW(MODECTL, 0xc3);
@@ -917,8 +924,15 @@ status_t nv_general_bios_to_powergraphics()
CRTC2W(OWNER, 0x03);
/* select colormode CRTC2 registers base adresses */
NV_REG8(NV8_MISCW) = 0xcb;
/* don't doublebuffer CRTC2 access: set programmed values immediately;
* keep fine pitched CRTC2 granularity (b2 = 0) */
/* note: 'BUFFER' is a non-standard register in behaviour(!) on most
* NV11's like the GeForce2 MX200, while the MX400 and non-NV11 cards
* behave normally.
* Also readback is not nessesarily what was written before!
*
* Double-write action needed on those strange NV11 cards: */
/* RESET: don't doublebuffer CRTC2 access: set programmed values immediately... */
CRTC2W(BUFFER, 0xff);
/* ... and keep fine pitched CRTC2 granularity (b2 = 0) */
CRTC2W(BUFFER, 0xfb);
/* select VGA mode (old VGA register) */
CRTC2W(MODECTL, 0xc3);
src/add-ons/kernel/drivers/graphics/nvidia/UPDATE.html
+4
View File
@@ -4,6 +4,10 @@
</head>
<body>
<p><h2>Changes done for each driverversion:</h2></p>
<p><h1>head: nv_driver 0.09-1, (Rudolf)</h1></p>
<ul>
<li>Fixed NV11 trouble with repeating screen(s) on the right side of the monitor.
</ul>
<p><h1>nv_driver 0.08, (Rudolf)</h1></p>
<ul>
<li>Fixed GeForceFX 5600 and FX 5700 monitor 'refresh out of range' / shutoff fault. nVidia changed the pixelPLL for the NV31 and NV36;