drm/amdgpu: fix mmhub register base coding error

fix MMHUB register base coding error.

Fixes: ec683759 ("drm/amdgpu/gmc10: program the smallK fragment size")
Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c

@@ -319,7 +319,7 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
 
 	tmp = mmMMVM_L2_CNTL5_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
-	WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
+	WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL5, tmp);
 }
 
 static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)

drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c

@@ -243,7 +243,7 @@ static void mmhub_v2_3_init_cache_regs(struct amdgpu_device *adev)
 
 	tmp = mmMMVM_L2_CNTL5_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
-	WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
+	WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL5, tmp);
 }
 
 static void mmhub_v2_3_enable_system_domain(struct amdgpu_device *adev)

drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c

@@ -275,7 +275,7 @@ static void mmhub_v3_0_init_cache_regs(struct amdgpu_device *adev)
 
 	tmp = regMMVM_L2_CNTL5_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
-	WREG32_SOC15(GC, 0, regMMVM_L2_CNTL5, tmp);
+	WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
 }
 
 static void mmhub_v3_0_enable_system_domain(struct amdgpu_device *adev)

drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_1.c

@@ -269,7 +269,7 @@ static void mmhub_v3_0_1_init_cache_regs(struct amdgpu_device *adev)
 
 	tmp = regMMVM_L2_CNTL5_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
-	WREG32_SOC15(GC, 0, regMMVM_L2_CNTL5, tmp);
+	WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
 }
 
 static void mmhub_v3_0_1_enable_system_domain(struct amdgpu_device *adev)

drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c

@@ -268,7 +268,7 @@ static void mmhub_v3_0_2_init_cache_regs(struct amdgpu_device *adev)
 
 	tmp = regMMVM_L2_CNTL5_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
-	WREG32_SOC15(GC, 0, regMMVM_L2_CNTL5, tmp);
+	WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
 }
 
 static void mmhub_v3_0_2_enable_system_domain(struct amdgpu_device *adev)