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| author | Marek Olšák <marek.olsak@amd.com> | 2015-04-29 20:40:33 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-05-26 17:31:19 +0300 |
| commit | 72b9076b2887add930d3b102760f09d02ffbfbe7 (patch) | |
| tree | 8eba67d708f9d5c79661d65fc72122fe5f2ac241 /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | c6e7e4bb7ff988e7f915526a80ea866d84aac720 (diff) | |
| download | linux-72b9076b2887add930d3b102760f09d02ffbfbe7.tar.xz | |
drm/radeon: add a GPU reset counter queryable by userspace
Userspace will be able to tell whether a GPU reset occured by comparing
an old referece value of the counter with a new value.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index b7ca4c514621..13e207e0dff0 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1725,6 +1725,8 @@ int radeon_gpu_reset(struct radeon_device *rdev) return 0; } + atomic_inc(&rdev->gpu_reset_counter); + radeon_save_bios_scratch_regs(rdev); /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); |