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rpms/xorg-x11-drv-i810/devel intel-2.0-vblank-power-savings.patch, NONE, 1.1 xorg-x11-drv-i810.spec, 1.56, 1.57



Author: ajax

Update of /cvs/pkgs/rpms/xorg-x11-drv-i810/devel
In directory cvs-int.fedora.redhat.com:/tmp/cvs-serv29423

Modified Files:
	xorg-x11-drv-i810.spec 
Added Files:
	intel-2.0-vblank-power-savings.patch 
Log Message:
* Mon May 14 2007 Adam Jackson <ajax redhat com> 2.0.0-3
- intel-2.0-vblank-power-savings.patch: Disable vblank interrupts when no
  DRI clients are active, for better battery life.


intel-2.0-vblank-power-savings.patch:

--- NEW FILE intel-2.0-vblank-power-savings.patch ---
From: Eric Anholt <eric anholt net>
Date: Thu, 3 May 2007 20:44:12 +0000 (-0700)
Subject: Disable vblank interrupts when no DRI clients are running.
X-Git-Url: http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-intel.git;a=commitdiff;h=3b769af53e0ef6ef9b56afd679446c73a0e63ea5

Disable vblank interrupts when no DRI clients are running.
---

--- 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;
--- 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)


Index: xorg-x11-drv-i810.spec
===================================================================
RCS file: /cvs/pkgs/rpms/xorg-x11-drv-i810/devel/xorg-x11-drv-i810.spec,v
retrieving revision 1.56
retrieving revision 1.57
diff -u -r1.56 -r1.57
--- xorg-x11-drv-i810.spec	1 May 2007 18:25:18 -0000	1.56
+++ xorg-x11-drv-i810.spec	14 May 2007 21:49:30 -0000	1.57
@@ -7,7 +7,7 @@
 Summary:   Xorg X11 i810 video driver(s)
 Name:      xorg-x11-drv-i810
 Version:   2.0.0
-Release:   2%{?dist}
+Release:   3%{?dist}
 URL:       http://www.x.org
 License:   MIT
 Group:     User Interface/X Hardware Support
@@ -18,6 +18,7 @@
 Source2:   i810.xinf
 
 # new school intel driver patches
+Patch0: intel-2.0-vblank-power-savings.patch
 
 # legacy i810 driver patches
 Patch100: i810-1.6.5-to-git-20060911.patch
@@ -59,6 +60,8 @@
 cd ..
 rm -rf xf86-video-intel-%{version}
 tar jxf %{SOURCE1}
+cd xf86-video-intel-%{version}
+%patch0 -p1 -b .vblank-interrupt
 
 %build
 OPTS="--disable-static --libdir=%{_libdir} --mandir=%{_mandir} --enable-dri"
@@ -100,6 +103,10 @@
 %{_libdir}/libI810XvMC.so
 
 %changelog
+* Mon May 14 2007 Adam Jackson <ajax redhat com> 2.0.0-3
+- intel-2.0-vblank-power-savings.patch: Disable vblank interrupts when no
+  DRI clients are active, for better battery life.
+
 * Tue May 01 2007 Adam Jackson <ajax redhat com> 2.0.0-2
 - Rebuild for final RANDR 1.2 ABI.  Fixes segfault at startup. (#238575)
 


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