drm/amdgpu: expose vcn RB command (7741cced) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -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;

+4 −4

Original line number	Diff line number	Diff line
		@@ -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,