xf86-video-intel: src/i830_dri.c src/i830.h
Eric Anholt
anholt at kemper.freedesktop.org
Fri May 4 00:00:06 EEST 2007
src/i830.h | 1 +
src/i830_dri.c | 16 +++++++++++++++-
2 files changed, 16 insertions(+), 1 deletion(-)
New commits:
diff-tree 3b769af53e0ef6ef9b56afd679446c73a0e63ea5 (from 775fc125aa7ecd0f054959ef210be2df4dc54345)
Author: Eric Anholt <eric at anholt.net>
Date: Thu May 3 13:44:12 2007 -0700
Disable vblank interrupts when no DRI clients are running.
diff --git a/src/i830.h b/src/i830.h
index 8034302..7b0ab15 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -326,6 +326,7 @@ typedef struct _I830Rec {
unsigned int third_tiled;
unsigned int depth_tiled;
+ Bool want_vblank_interrupts;
#ifdef DAMAGE
DamagePtr pDamage;
RegionRec driRegion;
diff --git a/src/i830_dri.c b/src/i830_dri.c
index 2203c9e..9498661 100644
--- a/src/i830_dri.c
+++ b/src/i830_dri.c
@@ -590,13 +590,13 @@ I830DRIScreenInit(ScreenPtr pScreen)
}
pDRIInfo->TransitionTo2d = I830DRITransitionTo2d;
+ pDRIInfo->TransitionTo3d = I830DRITransitionTo3d;
#if DRIINFO_MAJOR_VERSION > 5 || \
(DRIINFO_MAJOR_VERSION == 5 && DRIINFO_MINOR_VERSION >= 1)
if (!pDRIInfo->ClipNotify)
#endif
{
- pDRIInfo->TransitionTo3d = I830DRITransitionTo3d;
pDRIInfo->TransitionSingleToMulti3D = I830DRITransitionSingleToMulti3d;
pDRIInfo->TransitionMultiToSingle3D = I830DRITransitionMultiToSingle3d;
}
@@ -1543,16 +1543,24 @@ I830DRITransitionTo3d(ScreenPtr pScreen)
I830Ptr pI830 = I830PTR(pScrn);
I830DRISetPfMask(pScreen, pI830->allowPageFlip ? 0x3 : 0);
+
+ pI830->want_vblank_interrupts = TRUE;
+ I830DRISetVBlankInterrupt(pScrn, TRUE);
}
static void
I830DRITransitionTo2d(ScreenPtr pScreen)
{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ I830Ptr pI830 = I830PTR(pScrn);
drmI830Sarea *sPriv = (drmI830Sarea *) DRIGetSAREAPrivate(pScreen);
I830DRISetPfMask(pScreen, 0);
sPriv->pf_enabled = 0;
+
+ pI830->want_vblank_interrupts = FALSE;
+ I830DRISetVBlankInterrupt(pScrn, FALSE);
}
#if DRI_SUPPORTS_CLIP_NOTIFY
@@ -1684,6 +1692,12 @@ I830DRISetVBlankInterrupt (ScrnInfoPtr p
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
drmI830VBlankPipe pipe;
+ /* If we have no 3d running, then don't bother enabling the vblank
+ * interrupt.
+ */
+ if (!pI830->want_vblank_interrupts)
+ on = FALSE;
+
if (pI830->directRenderingEnabled && pI830->drmMinor >= 5) {
if (on) {
if (xf86_config->num_crtc > 1 && xf86_config->crtc[1]->enabled)
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