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only check pipe underrun if vtSema is true.

This commit is contained in:
Zhenyu Wang 2008-07-22 15:14:14 +08:00
parent 04bbed2248
commit 577c4d1a0c
1 changed files with 8 additions and 6 deletions
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14
src/i830_driver.c
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@ -2512,16 +2512,18 @@ I830BlockHandler(int i,
* (except for mode setting, where it may occur naturally).
* Check & ack the condition.
*/
if (xf86_config->crtc[0]->enabled &&
(INREG(PIPEASTAT) & FIFO_UNDERRUN)) {
if (pScrn->vtSema) {
if (xf86_config->crtc[0]->enabled &&
(INREG(PIPEASTAT) & FIFO_UNDERRUN)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "underrun on pipe A!\n");
OUTREG(PIPEASTAT, INREG(PIPEASTAT) | FIFO_UNDERRUN);
}
if (xf86_config->num_crtc > 1 &&
xf86_config->crtc[1]->enabled &&
(INREG(PIPEBSTAT) & FIFO_UNDERRUN)) {
}
if (xf86_config->num_crtc > 1 &&
xf86_config->crtc[1]->enabled &&
(INREG(PIPEBSTAT) & FIFO_UNDERRUN)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "underrun on pipe B!\n");
OUTREG(PIPEBSTAT, INREG(PIPEBSTAT) | FIFO_UNDERRUN);
}
}
I830VideoBlockHandler(i, blockData, pTimeout, pReadmask);