diff options
| author | Christian König <deathsimple@vodafone.de> | 2012-07-05 14:32:00 +0200 |
|---|---|---|
| committer | Christian König <deathsimple@vodafone.de> | 2012-07-17 10:32:55 +0200 |
| commit | c6105f249a637e1bb2b04b1cad7feaf507d06e8c (patch) | |
| tree | 6dfaa699908277f651d60bbea6089bf25ac228ae /drivers/gpu/drm/radeon/si.c | |
| parent | 6f72a631998d37673828b0e97c63dafc8e923382 (diff) | |
| download | linux-c6105f249a637e1bb2b04b1cad7feaf507d06e8c.tar.bz2 | |
drm/radeon: remove vm_manager start/suspend
Just restore the page table instead. Addressing three
problem with this change:
1. Calling vm_manager_suspend in the suspend path is
problematic cause it wants to wait for the VM use
to end, which in case of a lockup never happens.
2. In case of a locked up memory controller
unbinding the VM seems to make it even more
unstable, creating an unrecoverable lockup
in the end.
3. If we want to backup/restore the leftover ring
content we must not unbind VMs in between.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 7c2618b9aa34..2b691abef4f7 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3777,9 +3777,11 @@ static int si_startup(struct radeon_device *rdev) return r; } - r = radeon_vm_manager_start(rdev); - if (r) + r = radeon_vm_manager_init(rdev); + if (r) { + dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); return r; + } return 0; } @@ -3809,7 +3811,6 @@ int si_resume(struct radeon_device *rdev) int si_suspend(struct radeon_device *rdev) { - radeon_vm_manager_suspend(rdev); si_cp_enable(rdev, false); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; @@ -3899,11 +3900,6 @@ int si_init(struct radeon_device *rdev) return r; rdev->accel_working = true; - r = radeon_vm_manager_init(rdev); - if (r) { - dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); - } - r = si_startup(rdev); if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); |