On Sun 2015-11-29 20:48:53, Christian König wrote:
On 28.11.2015 21:58, Pavel Machek wrote:Well, when I asked on the list "why this is happened" I got "umm,
Ring test failure is often caused by too high agpmode. Tell the userNAK, the ring test can fail for any number of reasons and the agpmode is
what to try.
Signed-off-by: Pavel Machek <pavel@xxxxxx>
actually rather unlikely to be the cause.
noone knows" response that was not exactly helpful. And then someone
told me about agpmode.
If you know about the reasons it can fail, could you list them near
the DRM_ERROR, at least as a comment?
Thanks,
Pavel
Regards,
Christian.
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 238b13f..32b1917 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3665,7 +3665,7 @@ int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
if (i < rdev->usec_timeout) {
DRM_INFO("ring test succeeded in %d usecs\n", i);
} else {
- DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
+ DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X), try radeon.agpmode=1?\n",
scratch, tmp);
r = -EINVAL;
}