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path: root/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 978841792001..14f88672de84 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -614,6 +614,8 @@ static int gfx_v9_0_kiq_init_ring(struct amdgpu_device *adev,
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
int r = 0;
+ mutex_init(&kiq->ring_mutex);
+
r = amdgpu_wb_get(adev, &adev->virt.reg_val_offs);
if (r)
return r;