diff options
| author | Keith Packard <keithp@neko.keithp.com> | 2006-06-19 13:47:28 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@neko.keithp.com> | 2006-06-19 13:47:28 -0700 |
| commit | 8a6edba33213911cc2210b5e903428b81d45862f (patch) | |
| tree | cf1ff10a7d2ca15319a286ef932dad91dc594acf /src/i830_dri.c | |
| parent | a73ab7f0e6e3b0462e05c0031ffd602ed3e2bcd4 (diff) | |
Set vblank interrupt configuration to match pipe configuration
New i915 drm ioctl (in version 1.5) allows the X server to select
which pipe drives vblank interrupts. Use this to drive from the 'preferred'
pipe. Yes, per-window vblanks would be nice in a shared fb environment.
Maybe someday.
(cherry picked from 2fb375b665f4802819b89f2277fd6154006c11ee commit)
Diffstat (limited to 'src/i830_dri.c')
| -rw-r--r-- | src/i830_dri.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/i830_dri.c b/src/i830_dri.c index ed5e6851..7c65f656 100644 --- a/src/i830_dri.c +++ b/src/i830_dri.c @@ -1454,6 +1454,31 @@ I830UpdateDRIBuffers(ScrnInfoPtr pScrn, drmI830Sarea *sarea) } Bool +I830DRISetVBlankInterrupt (ScrnInfoPtr pScrn, Bool on) +{ + I830Ptr pI830 = I830PTR(pScrn); + drmI830VBlankPipe pipe; + + if (pI830->directRenderingEnabled && pI830->drmMinor >= 5) { + if (on) { + if (pI830->planeEnabled[1]) + pipe.pipe = DRM_I830_VBLANK_PIPE_B; + else + pipe.pipe = DRM_I830_VBLANK_PIPE_A; + } else { + pipe.pipe = 0; + } + if (drmCommandWrite(pI830->drmSubFD, DRM_I830_SET_VBLANK_PIPE, + &pipe, sizeof (pipe))) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "I830 Vblank Pipe Setup Failed\n"); + return FALSE; + } + } + + return TRUE; +} + +Bool I830DRILock(ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); |