drm/amdgpu: expose vcn RB command

Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 937c6d9..5dbc6aa 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -30,6 +30,13 @@
 #define AMDGPU_VCN_FIRMWARE_OFFSET     256
 #define AMDGPU_VCN_MAX_ENC_RINGS       3
 
+#define VCN_CMD_FENCE                  0x00000000
+#define VCN_CMD_TRAP                   0x00000001
+#define VCN_CMD_WRITE_REG              0x00000004
+#define VCN_CMD_REG_READ_COND_WAIT     0x00000006
+#define VCN_CMD_PACKET_START           0x0000000a
+#define VCN_CMD_PACKET_END             0x0000000b
+
 struct amdgpu_vcn {
        struct amdgpu_bo        *vcpu_bo;
        void                    *cpu_addr;

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 9cd6690..643e4ce 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -512,7 +512,7 @@ static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64
        amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
        amdgpu_ring_write(ring,
                PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
-       amdgpu_ring_write(ring, 0);
+       amdgpu_ring_write(ring, VCN_CMD_FENCE << 1);
 
        amdgpu_ring_write(ring,
                PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
@@ -522,7 +522,7 @@ static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64
        amdgpu_ring_write(ring, 0);
        amdgpu_ring_write(ring,
                PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
-       amdgpu_ring_write(ring, 2);
+       amdgpu_ring_write(ring, VCN_CMD_TRAP << 1);
 }
 
 /**
@@ -576,7 +576,7 @@ static void vcn_v1_0_dec_vm_reg_write(struct amdgpu_ring *ring,
        amdgpu_ring_write(ring, data1);
        amdgpu_ring_write(ring,
                PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
-       amdgpu_ring_write(ring, 8);
+       amdgpu_ring_write(ring, VCN_CMD_WRITE_REG << 1);
 }
 
 static void vcn_v1_0_dec_vm_reg_wait(struct amdgpu_ring *ring,
@@ -593,7 +593,7 @@ static void vcn_v1_0_dec_vm_reg_wait(struct amdgpu_ring *ring,
        amdgpu_ring_write(ring, mask);
        amdgpu_ring_write(ring,
                PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
-       amdgpu_ring_write(ring, 12);
+       amdgpu_ring_write(ring, VCN_CMD_REG_READ_COND_WAIT << 1);
 }
 
 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,