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author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-03 19:00:09 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 11:44:29 -0400 |
commit | 0a5b7b0bd97a212f5d8d28c5011b04a45dfb006e (patch) | |
tree | ac0d7f0e8a81cec0db2a1d4b9e19d4fe1ece0918 /drivers/gpu/drm/radeon/radeon_device.c | |
parent | fe78118c4603ab91b88907eaabe4a1ca03a9f220 (diff) | |
download | op-kernel-dev-0a5b7b0bd97a212f5d8d28c5011b04a45dfb006e.zip op-kernel-dev-0a5b7b0bd97a212f5d8d28c5011b04a45dfb006e.tar.gz |
drm/radeon: add spinlocks for indirect register accesss
This adds spinlocks to protect access to other
indirect register apertures. These indirect spaces are
used pretty infrequently and we haven't had an reported
problems, but better safe than sorry.
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 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index b903214..e29faa7 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1250,6 +1250,16 @@ int radeon_device_init(struct radeon_device *rdev, /* TODO: block userspace mapping of io register */ spin_lock_init(&rdev->mmio_idx_lock); spin_lock_init(&rdev->smc_idx_lock); + spin_lock_init(&rdev->pll_idx_lock); + spin_lock_init(&rdev->mc_idx_lock); + spin_lock_init(&rdev->pcie_idx_lock); + spin_lock_init(&rdev->pciep_idx_lock); + spin_lock_init(&rdev->pif_idx_lock); + spin_lock_init(&rdev->cg_idx_lock); + spin_lock_init(&rdev->uvd_idx_lock); + spin_lock_init(&rdev->rcu_idx_lock); + spin_lock_init(&rdev->didt_idx_lock); + spin_lock_init(&rdev->end_idx_lock); if (rdev->family >= CHIP_BONAIRE) { rdev->rmmio_base = pci_resource_start(rdev->pdev, 5); rdev->rmmio_size = pci_resource_len(rdev->pdev, 5); |