1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 814f12cc7f08..eb09037a7161 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2018,6 +2018,10 @@ struct amdgpu_device {
         spinlock_t didt_idx_lock;
         amdgpu_rreg_t                   didt_rreg;
         amdgpu_wreg_t                   didt_wreg;
+        /* protects concurrent gc_cac register access */
+        spinlock_t gc_cac_idx_lock;
+        amdgpu_rreg_t                   gc_cac_rreg;
+        amdgpu_wreg_t                   gc_cac_wreg;
         /* protects concurrent ENDPOINT (audio) register access */
         spinlock_t audio_endpt_idx_lock;
         amdgpu_block_rreg_t             audio_endpt_rreg;
@@ -2147,6 +2151,8 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
+#define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
+#define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
 #define WREG32_P(reg, val, mask)                                \