XLibre/xf86-video-fbdev
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Only determine pitch after setting initial mode.

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We were determining it from the mode which is current at X server startup,
which may have a completely different pitch.
This commit is contained in:
Michel Dänzer
2006-12-31 17:43:52 +01:00
parent 436a2c094a
commit b17f9256d5
1 changed files with 13 additions and 9 deletions
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22
src/fbdev.c
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@@ -523,15 +523,8 @@ FBDevPreInit(ScrnInfoPtr pScrn, int flags)
fbdevHWUseBuildinMode(pScrn);
pScrn->currentMode = pScrn->modes;
if (fPtr->shadowFB)
pScrn->displayWidth = pScrn->virtualX; /* ShadowFB handles this correctly */
else {
int fbbpp;
/* FIXME: this doesn't work for all cases, e.g. when each scanline
has a padding which is independent from the depth (controlfb) */
fbdevHWGetDepth(pScrn,&fbbpp);
pScrn->displayWidth = fbdevHWGetLineLength(pScrn)/(fbbpp >> 3);
}
/* First approximation, may be refined in ScreenInit */
pScrn->displayWidth = pScrn->virtualX;
xf86PrintModes(pScrn);
@@ -719,6 +712,17 @@ FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
int tmp = pScrn->virtualX;
pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY;
pScrn->virtualY = tmp;
} else if (!fPtr->shadowFB) {
/* FIXME: this doesn't work for all cases, e.g. when each scanline
has a padding which is independent from the depth (controlfb) */
pScrn->displayWidth = fbdevHWGetLineLength(pScrn) /
(pScrn->bitsPerPixel / 8);
if (pScrn->displayWidth != pScrn->virtualX) {
xf86DrvMsg(scrnIndex, X_INFO,
"Pitch updated to %d after ModeInit\n",
pScrn->displayWidth);
}
}
if(fPtr->rotate && !fPtr->PointerMoved) {