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    Subject[radeon r100] when ring test fails, provide users with option to test

    Ring test failure is often caused by too high agpmode. Tell the user
    what to try.

    Signed-off-by: Pavel Machek <pavel@ucw.cz>

    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;
    }
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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