drm/radeon/kms: fix bug in r600_gpu_is_lockup

We were using the lockup struct from the wrong union.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 4d7a2e1bdb90..9c92db7c896b 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1342,13 +1342,19 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
         u32 srbm_status;
         u32 grbm_status;
         u32 grbm_status2;
+        struct r100_gpu_lockup *lockup;
         int r;
 
+        if (rdev->family >= CHIP_RV770)
+                lockup = &rdev->config.rv770.lockup;
+        else
+                lockup = &rdev->config.r600.lockup;
+
         srbm_status = RREG32(R_000E50_SRBM_STATUS);
         grbm_status = RREG32(R_008010_GRBM_STATUS);
         grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
         if (!G_008010_GUI_ACTIVE(grbm_status)) {
-                r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
+                r100_gpu_lockup_update(lockup, &rdev->cp);
                 return false;
         }
         /* force CP activities */
@@ -1360,7 +1366,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
                 radeon_ring_unlock_commit(rdev);
         }
         rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
-        return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
+        return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
 }
 
 int r600_asic_reset(struct radeon_device *rdev)