xf86-video-intel 2.4.3. Tested by many.

driver/xf86-video-intel/configure.ac

@@ -22,7 +22,7 @@
 
 AC_PREREQ(2.57)
 AC_INIT([xf86-video-intel],
-        2.4.2,
+        2.4.3,
         [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
         xf86-video-intel)
 

driver/xf86-video-intel/src/i810_reg.h

@@ -2815,4 +2815,7 @@ typedef enum {
 
 #define PEG_BAND_GAP_DATA	0x14d68
 
+#define MCHBAR_RENDER_STANDBY	0x111B8
+#define RENDER_STANDBY_ENABLE	(1 << 30)
+
 #endif /* _I810_REG_H */

driver/xf86-video-intel/src/i830.h

@@ -887,6 +887,13 @@ static inline int i830_fb_compression_supported(I830Ptr pI830)
      */
     if (!pI830->tiling || (IS_I965G(pI830) && !pI830->useEXA))
 	return FALSE;
+    /* We have not gotten FBC to work consistently on 965GM. Our best
+     * working theory right now is that FBC simply isn't reliable on
+     * that device. See this bug report for more details:
+     * https://bugs.freedesktop.org/show_bug.cgi?id=16257
+     */
+    if (IS_I965GM(pI830))
+	return FALSE;
     return TRUE;
 }
 

driver/xf86-video-intel/src/i830_crt.c

@@ -352,10 +352,9 @@ i830_crt_detect(xf86OutputPtr output)
     xf86OutputStatus	    status;
     Bool		    connected;
 
-    crtc = i830GetLoadDetectPipe (output, NULL, &dpms_mode);
+    /*
-    if (!crtc)
+     * Try hotplug detection where supported
-	return XF86OutputStatusUnknown;
+     */
-
     if (IS_I945G(pI830) || IS_I945GM(pI830) || IS_I965G(pI830) ||
 	    IS_G33CLASS(pI830)) {
 	if (i830_crt_detect_hotplug(output))
@@ -363,12 +362,19 @@ i830_crt_detect(xf86OutputPtr output)
 	else
 	    status = XF86OutputStatusDisconnected;
 
-	goto out;
+	goto done;
     }
 
+    /*
+     * DDC is next best, no flicker
+     */
+    crtc = i830GetLoadDetectPipe (output, NULL, &dpms_mode);
+    if (!crtc)
+	return XF86OutputStatusUnknown;
+
     if (i830_crt_detect_ddc(output)) {
 	status = XF86OutputStatusConnected;
-	goto out;
+	goto out_release_pipe;
     }
 
     /* Use the load-detect method if we have no other way of telling. */
@@ -378,9 +384,10 @@ i830_crt_detect(xf86OutputPtr output)
     else
 	status = XF86OutputStatusDisconnected;
 
-out:
+out_release_pipe:
     i830ReleaseLoadDetectPipe (output, dpms_mode);
 
+done:
     return status;
 }
 

driver/xf86-video-intel/src/i830_driver.c

@@ -334,7 +334,7 @@ static OptionInfoRec I830Options[] = {
    {OPTION_CHECKDEVICES, "CheckDevices",OPTV_BOOLEAN,	{0},	FALSE},
    {OPTION_MODEDEBUG,	"ModeDebug",	OPTV_BOOLEAN,	{0},	FALSE},
    {OPTION_LVDS24BITMODE, "LVDS24Bit",	OPTV_BOOLEAN,	{0},	FALSE},
-   {OPTION_FBC,		"FramebufferCompression", OPTV_BOOLEAN, {0}, FALSE},
+   {OPTION_FBC,		"FramebufferCompression", OPTV_BOOLEAN, {0}, TRUE},
    {OPTION_TILING,	"Tiling",	OPTV_BOOLEAN,	{0},	TRUE},
 #ifdef XF86DRI_MM
    {OPTION_INTELTEXPOOL,"Legacy3D",     OPTV_BOOLEAN,	{0},	FALSE},
@@ -518,8 +518,8 @@ I830DetectMemory(ScrnInfoPtr pScrn)
    range = gtt_size + 4;
 
    /* new 4 series hardware has seperate GTT stolen with GFX stolen */
-   if (IS_G4X(pI830))
+   if (IS_G4X(pI830) || IS_GM45(pI830))
-       range = 0;
+       range = 4;
 
    if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I9XX(pI830)) {
       switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
@@ -2718,6 +2718,23 @@ i830_memory_init(ScrnInfoPtr pScrn)
     return FALSE;
 }
 
+static void
+i830_disable_render_standby(ScrnInfoPtr pScrn)
+{
+   I830Ptr pI830 = I830PTR(pScrn);
+   uint32_t render_standby;
+
+   /* Render Standby might cause hang issue, try always disable it.*/
+   if (IS_I965GM(pI830) || IS_GM45(pI830)) {
+       render_standby = INREG(MCHBAR_RENDER_STANDBY);
+       if (render_standby & RENDER_STANDBY_ENABLE) {
+	   xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Disable render standby.\n");
+	   OUTREG(MCHBAR_RENDER_STANDBY,
+		   (render_standby & (~RENDER_STANDBY_ENABLE)));
+       }
+   }
+}
+
 static Bool
 I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 {
@@ -2854,15 +2871,11 @@ I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 	   pI830->tiling = FALSE;
    }
 
-#ifdef notyet
    /* Enable FB compression if possible */
    if (i830_fb_compression_supported(pI830))
        pI830->fb_compression = TRUE;
    else
        pI830->fb_compression = FALSE;
-#else
-   pI830->fb_compression = FALSE;
-#endif
 
    /* Again, allow user override if set */
    if (xf86IsOptionSet(pI830->Options, OPTION_FBC)) {
@@ -3057,6 +3070,8 @@ I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
    if (!vgaHWMapMem(pScrn))
       return FALSE;
 
+   i830_disable_render_standby(pScrn);
+
    DPRINTF(PFX, "assert( if(!I830EnterVT(scrnIndex, 0)) )\n");
 
    if (!pI830->useEXA) {

driver/xf86-video-intel/src/i830_lvds.c

@@ -83,6 +83,8 @@ static char *backlight_interfaces[] = {
     "acpi_video1",
     "acpi_video0",
     "fujitsu-laptop",
+    "asus-laptop",
+    "eeepc",
     NULL,
 };
 

driver/xf86-video-intel/src/i830_quirks.c

@@ -243,6 +243,8 @@ static i830_quirk i830_quirk_list[] = {
     { PCI_CHIP_I965_GM, 0x1028, 0x0286, quirk_ignore_tv },
     /* Dell Vostro A840 (LP: #235155) */
     { PCI_CHIP_I965_GM, 0x1028, 0x0298, quirk_ignore_tv },
+    /* Dell Studio Hybrid */
+    { PCI_CHIP_I965_GM, 0x1028, 0x0279, quirk_ignore_lvds },
 
     /* Lenovo Napa TV (use dmi)*/
     { PCI_CHIP_I945_GM, 0x17aa, SUBSYS_ANY, quirk_lenovo_tv_dmi },
@@ -317,6 +319,9 @@ static i830_quirk i830_quirk_list[] = {
     { PCI_CHIP_I855_GM, SUBSYS_ANY, SUBSYS_ANY, quirk_pipea_force },
     { PCI_CHIP_845_G, SUBSYS_ANY, SUBSYS_ANY, quirk_pipea_force },
 
+    /* Asus Eee Box has no LVDS */
+    { PCI_CHIP_I945_GME, 0x1043, 0x1252, quirk_ignore_lvds },
+
     { 0, 0, 0, NULL },
 };