From 72b9076b2887add930d3b102760f09d02ffbfbe7 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Wed, 29 Apr 2015 19:40:33 +0200 Subject: drm/radeon: add a GPU reset counter queryable by userspace MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Marek Olšák Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_device.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_device.c') 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); -- cgit v1.2.3