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| author | Marek Olšák <maraeo@gmail.com> | 2012-08-09 18:34:17 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-08-13 18:50:56 +0400 |
| commit | 6759a0a7a0496dbbd4fb062c6a76d61c55d0fbd9 (patch) | |
| tree | e16a78229435a2277d11f55ad8dd07780ce7499c /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | b51ad12a36234c1f6707c9c54a414cfca23f3cdb (diff) | |
| download | linux-6759a0a7a0496dbbd4fb062c6a76d61c55d0fbd9.tar.xz | |
drm/radeon/kms: implement timestamp userspace query (v2)
Returns a snapshot of the GPU clock counter. Needed
for certain OpenGL extensions.
v2: agd5f
- address Jerome's comments
- add function documentation
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 742af8244e89..d2e243867ac6 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1009,6 +1009,7 @@ int radeon_device_init(struct radeon_device *rdev, atomic_set(&rdev->ih.lock, 0); mutex_init(&rdev->gem.mutex); mutex_init(&rdev->pm.mutex); + mutex_init(&rdev->gpu_clock_mutex); init_rwsem(&rdev->pm.mclk_lock); init_rwsem(&rdev->exclusive_lock); init_waitqueue_head(&rdev->irq.vblank_queue); |