Re: [BUG] Xserver startup locks system... git bisect results

[Paul Mackerras <paulus@samba.org>]

Benjamin Herrenschmidt writes:

> On Thu, 2005-12-15 at 16:07 +1100, Benjamin Herrenschmidt wrote:
> > Ah, also, something else you can try, is replace
> > 
> > 	dev_priv->gart_vm_start = dev_priv->fb_location
> > 	    + RADEON_READ(RADEON_CONFIG_APER_SIZE);
> 
> Actually, the above should read
> 
> 	    + RADEON_READ(RADEON_CONFIG_APER_SIZE) * 2;

With the patch below, my powerbook will sleep and wake up
successfully.

Paul.

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 9f2b4ef..465fdc2 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1522,7 +1522,7 @@ static int radeon_do_init_cp(drm_device_
 
 	dev_priv->gart_size = init->gart_size;
 	dev_priv->gart_vm_start = dev_priv->fb_location
-	    + RADEON_READ(RADEON_CONFIG_APER_SIZE) * 2;
+	    + RADEON_READ(RADEON_CONFIG_MEMSIZE);
 
 #if __OS_HAS_AGP
 	if (!dev_priv->is_pci)
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 7bda7e3..d92ccee 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -379,6 +379,7 @@ extern int r300_do_cp_cmdbuf(drm_device_
 #	define RADEON_PLL_WR_EN			(1 << 7)
 #define RADEON_CLOCK_CNTL_INDEX		0x0008
 #define RADEON_CONFIG_APER_SIZE		0x0108
+#define RADEON_CONFIG_MEMSIZE		0x00f8
 #define RADEON_CRTC_OFFSET		0x0224
 #define RADEON_CRTC_OFFSET_CNTL		0x0228
 #	define RADEON_CRTC_TILE_EN		(1 << 15)