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Update DSPARB while planes are still off 

This avoids the flickering people reported in the 2.4.0 release.
This commit is contained in:
Jesse Barnes 2008-07-31 13:07:20 -07:00 committed by Jesse Barnes
parent 42fb06f3f1
commit 2049ba211e
1 changed files with 2 additions and 2 deletions
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4
src/i830_display.c
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@ -1477,6 +1477,8 @@ i830_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
/* Wait for the clocks to stabilize. */
usleep(150);
i830_update_dsparb(pScrn);
OUTREG(htot_reg, (adjusted_mode->CrtcHDisplay - 1) |
((adjusted_mode->CrtcHTotal - 1) << 16));
OUTREG(hblank_reg, (adjusted_mode->CrtcHBlankStart - 1) |
@ -1510,8 +1512,6 @@ i830_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
i830WaitForVblank(pScrn);
i830_update_dsparb(pScrn);
/* Clear any FIFO underrun status that may have occurred normally */
OUTREG(pipestat_reg, INREG(pipestat_reg) | FIFO_UNDERRUN);
}