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authorMarek Olšák <marek.olsak@amd.com>2015-04-29 20:40:33 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-05-26 17:31:19 +0300
commit72b9076b2887add930d3b102760f09d02ffbfbe7 (patch)
tree8eba67d708f9d5c79661d65fc72122fe5f2ac241 /drivers/gpu/drm/radeon/radeon.h
parentc6e7e4bb7ff988e7f915526a80ea866d84aac720 (diff)
downloadlinux-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.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 46eb0fa75a61..352870cbb8b8 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2435,6 +2435,7 @@ struct radeon_device {
atomic64_t vram_usage;
atomic64_t gtt_usage;
atomic64_t num_bytes_moved;
+ atomic_t gpu_reset_counter;
/* ACPI interface */
struct radeon_atif atif;
struct radeon_atcs atcs;