diff options
| author | Christian Koenig <christian.koenig@amd.com> | 2012-05-17 19:52:00 +0200 |
|---|---|---|
| committer | Christian König <deathsimple@vodafone.de> | 2012-06-21 09:38:53 +0200 |
| commit | 736fc37fd7c7634e939e9ec0c67765941913bb82 (patch) | |
| tree | bf98094b72dc7b41ae4714a7b51f0e54d799419a /drivers/gpu/drm/radeon/r100.c | |
| parent | fb98257a9d9d2089972b18079d5bdd4412e107e2 (diff) | |
| download | linux-736fc37fd7c7634e939e9ec0c67765941913bb82.tar.bz2 | |
drm/radeon: replace pflip and sw_int counters with atomics
So we can skip the locking. Also renames sw_int to
ring_int, cause that better matches its purpose.
Signed-off-by: Christian Koenig <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index e8fe4ae3bc23..35825bf1e790 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -689,18 +689,18 @@ int r100_irq_set(struct radeon_device *rdev) WREG32(R_000040_GEN_INT_CNTL, 0); return -EINVAL; } - if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) { + if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { tmp |= RADEON_SW_INT_ENABLE; } if (rdev->irq.gui_idle) { tmp |= RADEON_GUI_IDLE_MASK; } if (rdev->irq.crtc_vblank_int[0] || - rdev->irq.pflip[0]) { + atomic_read(&rdev->irq.pflip[0])) { tmp |= RADEON_CRTC_VBLANK_MASK; } if (rdev->irq.crtc_vblank_int[1] || - rdev->irq.pflip[1]) { + atomic_read(&rdev->irq.pflip[1])) { tmp |= RADEON_CRTC2_VBLANK_MASK; } if (rdev->irq.hpd[0]) { @@ -775,7 +775,7 @@ int r100_irq_process(struct radeon_device *rdev) rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } - if (rdev->irq.pflip[0]) + if (atomic_read(&rdev->irq.pflip[0])) radeon_crtc_handle_flip(rdev, 0); } if (status & RADEON_CRTC2_VBLANK_STAT) { @@ -784,7 +784,7 @@ int r100_irq_process(struct radeon_device *rdev) rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } - if (rdev->irq.pflip[1]) + if (atomic_read(&rdev->irq.pflip[1])) radeon_crtc_handle_flip(rdev, 1); } if (status & RADEON_FP_DETECT_STAT) { |