diff options
| author | Aaron Plattner <aplattner@nvidia.com> | 2007-07-10 00:41:21 -0700 |
|---|---|---|
| committer | Aaron Plattner <aaron@weasel.nvidia.com> | 2007-07-10 00:41:21 -0700 |
| commit | e77a2d9b62bc65062e7e2167642be5ab75ac4864 (patch) | |
| tree | ec85c9457a0550dc6a7fe2616e1239fbf2e826d6 /src/g80_display.c | |
| parent | c1503c864d495f8a3e5380fed5cb8ca5e21a3750 (diff) | |
G80: Add a dithering property and corresponding config file option.
Diffstat (limited to 'src/g80_display.c')
| -rw-r--r-- | src/g80_display.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/g80_display.c b/src/g80_display.c index d10f2d6..04ae3ec 100644 --- a/src/g80_display.c +++ b/src/g80_display.c @@ -41,6 +41,7 @@ typedef struct G80CrtcPrivRec { int pclk; /* Target pixel clock in kHz */ Bool cursorVisible; Bool skipModeFixup; + Bool dither; } G80CrtcPrivRec, *G80CrtcPrivPtr; static void G80CrtcShowHideCursor(xf86CrtcPtr crtc, Bool show, Bool update); @@ -362,6 +363,7 @@ G80CrtcModeSet(xf86CrtcPtr crtc, DisplayModePtr mode, case 16: C(0x00000870 + headOff, 0xE800); break; case 24: C(0x00000870 + headOff, 0xCF00); break; } + G80CrtcSetDither(crtc, pPriv->dither, FALSE); if((adjusted_mode->Flags & V_DBLSCAN) || (adjusted_mode->Flags & V_INTERLACE) || adjusted_mode->CrtcHDisplay != HDisplay || adjusted_mode->CrtcVDisplay != VDisplay) { C(0x000008A4 + headOff, 9); @@ -478,6 +480,19 @@ G80CrtcSkipModeFixup(xf86CrtcPtr crtc) pPriv->skipModeFixup = TRUE; } +void +G80CrtcSetDither(xf86CrtcPtr crtc, Bool dither, Bool update) +{ + ScrnInfoPtr pScrn = crtc->scrn; + G80CrtcPrivPtr pPriv = crtc->driver_private; + const int headOff = 0x400 * G80CrtcGetHead(crtc); + + pPriv->dither = dither; + + C(0x000008A0 + headOff, dither ? 0x11 : 0); + if(update) C(0x00000080, 0); +} + static void G80CrtcCommit(xf86CrtcPtr crtc) { @@ -524,6 +539,7 @@ static const xf86CrtcFuncsRec g80_crtc_funcs = { void G80DispCreateCrtcs(ScrnInfoPtr pScrn) { + G80Ptr pNv = G80PTR(pScrn); Head head; xf86CrtcPtr crtc; G80CrtcPrivPtr g80_crtc; @@ -535,6 +551,7 @@ G80DispCreateCrtcs(ScrnInfoPtr pScrn) g80_crtc = xnfcalloc(sizeof(*g80_crtc), 1); g80_crtc->head = head; + g80_crtc->dither = pNv->Dither; crtc->driver_private = g80_crtc; } } |