[PATCH 1/2] drm/amdgpu: Initialize RRMT status on VCN v5.0.1

[Lijo Lazar]

Initialize RRMT status from register.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c | 2 ++
 drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c
index 721c29f52451..5472b4ff6578 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c
@@ -178,6 +178,8 @@ static int vcn_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
 	struct amdgpu_ring *ring;
 	int i, r, vcn_inst;
 
+	if (RREG32_SOC15(VCN, GET_INST(VCN, 0), regVCN_RRMT_CNTL) & 0x100)
+		adev->vcn.caps |= AMDGPU_VCN_CAPS(RRMT_ENABLED);
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		vcn_inst = GET_INST(VCN, i);
 		ring = &adev->vcn.inst[i].ring_enc[0];
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h
index 82ac709f44bf..8fd90bd10807 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h
@@ -24,6 +24,9 @@
 #ifndef __VCN_v5_0_1_H__
 #define __VCN_v5_0_1_H__
 
+#define regVCN_RRMT_CNTL                          0x0940
+#define regVCN_RRMT_CNTL_BASE_IDX                 1
+
 extern const struct amdgpu_ip_block_version vcn_v5_0_1_ip_block;
 
 #endif /* __VCN_v5_0_1_H__ */
-- 
2.25.1