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

From: Paul Mackerras
Date: Thu Dec 15 2005 - 04:03:36 EST


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)
-
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