drm/amdgpu: Enable IH CAM on GFX9.4.3

This patch enables IH CAM on GFX9.4.3 ASIC.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c

@@ -265,7 +265,7 @@ static void nbio_v7_9_ih_doorbell_range(struct amdgpu_device *adev,
 		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
 				DOORBELL0_CTRL_ENTRY_0,
 				BIF_DOORBELL0_RANGE_SIZE_ENTRY,
-				0x4);
+				0x8);
 
 		ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 				S2A_DOORBELL_ENTRY_1_CTRL,
@@ -278,7 +278,7 @@ static void nbio_v7_9_ih_doorbell_range(struct amdgpu_device *adev,
 				S2A_DOORBELL_PORT1_RANGE_OFFSET, 0);
 		ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 				S2A_DOORBELL_ENTRY_1_CTRL,
-				S2A_DOORBELL_PORT1_RANGE_SIZE, 0x4);
+				S2A_DOORBELL_PORT1_RANGE_SIZE, 0x8);
 		ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
 				S2A_DOORBELL_ENTRY_1_CTRL,
 				S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0);

drivers/gpu/drm/amd/amdgpu/vega20_ih.c

@@ -334,7 +334,8 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev)
 		vega20_setup_retry_doorbell(adev->irq.retry_cam_doorbell_index));
 
 	/* Enable IH Retry CAM */
-	if (adev->ip_versions[OSSSYS_HWIP][0] == IP_VERSION(4, 4, 0))
+	if (adev->ip_versions[OSSSYS_HWIP][0] == IP_VERSION(4, 4, 0) ||
+	    adev->ip_versions[OSSSYS_HWIP][0] == IP_VERSION(4, 4, 2))
 		WREG32_FIELD15(OSSSYS, 0, IH_RETRY_INT_CAM_CNTL_ALDEBARAN,
 			       ENABLE, 1);
 	else