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drm/amdgpu: expose vcn RB command

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Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2017-02-07 11:47:12 -05:00 committed by Alex Deucher
parent 8c303c0190
commit 7741cced67
2 changed files with 11 additions and 4 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
View file

@ -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;

8
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
View file

@ -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,