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| author |   Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-08-27 16:45:18 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2014-08-27 17:41:56 -0400 |
| commit | 9bb39ff43e15e85bc1bd9bbbdc5b9cef7a670fd5 (patch) | |
| tree | 371366b3bd997316c7e6a5508e0cf0b8f96bcb5d /drivers/gpu/drm/radeon/radeon_cs.c | |
| parent | drm/radeon: force fence completion only on problematic rings (v2) (diff) | |
| download | linux-dev-9bb39ff43e15e85bc1bd9bbbdc5b9cef7a670fd5.tar.xz linux-dev-9bb39ff43e15e85bc1bd9bbbdc5b9cef7a670fd5.zip | |
drm/radeon: take exclusive_lock in read mode during ring tests, v5
This is needed for the next commit, because the lockup detection
will need the read lock to run.
v4 (chk): split out forced fence completion, remove unrelated changes,
add and handle in_reset flag
v5 (agd5f): rebase fix
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index db739bd64f16..bd328cb6fa61 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -653,6 +653,13 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) up_read(&rdev->exclusive_lock); return -EBUSY; } + if (rdev->in_reset) { + up_read(&rdev->exclusive_lock); + r = radeon_gpu_reset(rdev); + if (!r) + r = -EAGAIN; + return r; + } /* initialize parser */ memset(&parser, 0, sizeof(struct radeon_cs_parser)); parser.filp = filp; |