diff options
| author | Matthew Garrett <mjg@redhat.com> | 2010-04-30 15:48:23 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-18 18:21:47 +1000 |
| commit | 01434b4bfba17626fe93a602e540f0004694d9df (patch) | |
| tree | 852129f63829472b7a6f638c9d27fd251a2169a4 | |
| parent | 91700f3cac56a1998a56d41e4459a5cebdb4f752 (diff) | |
radeon: Use fences to gate entry to reclocking on <r600
GUI idle interrupts don't seem to work terribly well on r500 and earlier,
so let's use a fence instead.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index bded834afa5..1ee7fc9918a 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -76,6 +76,14 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT)); rdev->irq.gui_idle = false; radeon_irq_set(rdev); + } else { + struct radeon_fence *fence; + radeon_ring_alloc(rdev, 64); + radeon_fence_create(rdev, &fence); + radeon_fence_emit(rdev, fence); + radeon_ring_commit(rdev); + radeon_fence_wait(fence, false); + radeon_fence_unref(&fence); } radeon_unmap_vram_bos(rdev); |