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drm/radeon: Add radeon.test parameter for running BO GPU copy tests.

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If enabled, during initialization BO GTT->VRAM and VRAM->GTT GPU copies are
tested across the whole GTT aperture.

This has helped uncover the benchmark copy size bug and verify the maximum
aperture size supported by the AGP bridge in my PowerBook.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2009-07-21 11:23:57 +02:00 • committed by Dave Airlie
parent 3b170c3b2e
commit ecc0b32645
5 changed files with 225 additions and 1 deletions
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3
drivers/gpu/drm/radeon/radeon_device.c
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@ -638,6 +638,9 @@ int radeon_device_init(struct radeon_device *rdev,
if (!ret) {
DRM_INFO("radeon: kernel modesetting successfully initialized.\n");
}
if (radeon_testing) {
radeon_test_moves(rdev);
}
if (radeon_benchmarking) {
radeon_benchmark(rdev);
}