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| author | David S. Miller <davem@davemloft.net> | 2011-11-21 13:50:33 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-11-21 13:50:33 -0500 |
| commit | efd0bf97deeddd9ba53daabfc470a1399c6b0b2d (patch) | |
| tree | eec56da5fbc796bac7c67f1990a18f5e0a304059 /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | f8a15af093b19b86d56933c8757cee298d0f32a8 (diff) | |
| parent | 6fe4c6d466e95d31164f14b1ac4aefb51f0f4f82 (diff) | |
| download | linux-stable-efd0bf97deeddd9ba53daabfc470a1399c6b0b2d.tar.gz linux-stable-efd0bf97deeddd9ba53daabfc470a1399c6b0b2d.tar.bz2 linux-stable-efd0bf97deeddd9ba53daabfc470a1399c6b0b2d.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The forcedeth changes had a conflict with the conversion over
to atomic u64 statistics in net-next.
The libertas cfg.c code had a conflict with the bss reference
counting fix by John Linville in net-next.
Conflicts:
drivers/net/ethernet/nvidia/forcedeth.c
drivers/net/wireless/libertas/cfg.c
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index c33bc914d93d..c4d00a171411 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -716,7 +716,7 @@ int radeon_device_init(struct radeon_device *rdev, /* mutex initialization are all done here so we * can recall function without having locking issues */ - mutex_init(&rdev->cs_mutex); + radeon_mutex_init(&rdev->cs_mutex); mutex_init(&rdev->ib_pool.mutex); mutex_init(&rdev->cp.mutex); mutex_init(&rdev->dc_hw_i2c_mutex); @@ -955,6 +955,9 @@ int radeon_gpu_reset(struct radeon_device *rdev) int r; int resched; + /* Prevent CS ioctl from interfering */ + radeon_mutex_lock(&rdev->cs_mutex); + radeon_save_bios_scratch_regs(rdev); /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); @@ -967,10 +970,15 @@ int radeon_gpu_reset(struct radeon_device *rdev) radeon_restore_bios_scratch_regs(rdev); drm_helper_resume_force_mode(rdev->ddev); ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); - return 0; } - /* bad news, how to tell it to userspace ? */ - dev_info(rdev->dev, "GPU reset failed\n"); + + radeon_mutex_unlock(&rdev->cs_mutex); + + if (r) { + /* bad news, how to tell it to userspace ? */ + dev_info(rdev->dev, "GPU reset failed\n"); + } + return r; } |