From 8ace845ff0e8fc610686c0fa12ec05130fbf1f6b Mon Sep 17 00:00:00 2001 From: Leo Liu Date: Tue, 21 Feb 2017 10:36:15 -0500 Subject: [PATCH] drm/amdgpu: add vcn enc ring type and functions MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add the ring function callbacks for the encode rings. Signed-off-by: Leo Liu Reviewed-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 3 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 8 ++ drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 170 +++++++++++++++++++++++ 3 files changed, 180 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 9bf3100f273e..a9223a8de8c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -48,7 +48,8 @@ enum amdgpu_ring_type { AMDGPU_RING_TYPE_VCE, AMDGPU_RING_TYPE_KIQ, AMDGPU_RING_TYPE_UVD_ENC, - AMDGPU_RING_TYPE_VCN_DEC + AMDGPU_RING_TYPE_VCN_DEC, + AMDGPU_RING_TYPE_VCN_ENC }; struct amdgpu_device; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 444fed503f44..d50ba0657854 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -37,6 +37,14 @@ #define VCN_DEC_CMD_PACKET_START 0x0000000a #define VCN_DEC_CMD_PACKET_END 0x0000000b +#define VCN_ENC_CMD_NO_OP 0x00000000 +#define VCN_ENC_CMD_END 0x00000001 +#define VCN_ENC_CMD_IB 0x00000002 +#define VCN_ENC_CMD_FENCE 0x00000003 +#define VCN_ENC_CMD_TRAP 0x00000004 +#define VCN_ENC_CMD_REG_WRITE 0x0000000b +#define VCN_ENC_CMD_REG_WAIT 0x0000000c + 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 b8f4e7713921..e15a81ffa2ca 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -38,6 +38,7 @@ static int vcn_v1_0_start(struct amdgpu_device *adev); static int vcn_v1_0_stop(struct amdgpu_device *adev); static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev); +static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev); static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev); /** @@ -54,6 +55,7 @@ static int vcn_v1_0_early_init(void *handle) adev->vcn.num_enc_rings = 2; vcn_v1_0_set_dec_ring_funcs(adev); + vcn_v1_0_set_enc_ring_funcs(adev); vcn_v1_0_set_irq_funcs(adev); return 0; @@ -688,6 +690,141 @@ static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring, vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask); } +/** + * vcn_v1_0_enc_ring_get_rptr - get enc read pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware enc read pointer + */ +static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vcn.ring_enc[0]) + return RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_RPTR)); + else + return RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_RPTR2)); +} + + /** + * vcn_v1_0_enc_ring_get_wptr - get enc write pointer + * + * @ring: amdgpu_ring pointer + * + * Returns the current hardware enc write pointer + */ +static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vcn.ring_enc[0]) + return RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR)); + else + return RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR2)); +} + + /** + * vcn_v1_0_enc_ring_set_wptr - set enc write pointer + * + * @ring: amdgpu_ring pointer + * + * Commits the enc write pointer to the hardware + */ +static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + if (ring == &adev->vcn.ring_enc[0]) + WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR), + lower_32_bits(ring->wptr)); + else + WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR2), + lower_32_bits(ring->wptr)); +} + +/** + * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command + * + * @ring: amdgpu_ring pointer + * @fence: fence to emit + * + * Write enc a fence and a trap command to the ring. + */ +static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, + u64 seq, unsigned flags) +{ + WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); + + amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE); + amdgpu_ring_write(ring, addr); + amdgpu_ring_write(ring, upper_32_bits(addr)); + amdgpu_ring_write(ring, seq); + amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP); +} + +static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring) +{ + amdgpu_ring_write(ring, VCN_ENC_CMD_END); +} + +/** + * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer + * + * @ring: amdgpu_ring pointer + * @ib: indirect buffer to execute + * + * Write enc ring commands to execute the indirect buffer + */ +static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring, + struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch) +{ + amdgpu_ring_write(ring, VCN_ENC_CMD_IB); + amdgpu_ring_write(ring, vm_id); + amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); + amdgpu_ring_write(ring, ib->length_dw); +} + +static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned int vm_id, uint64_t pd_addr) +{ + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; + uint32_t req = ring->adev->gart.gart_funcs->get_invalidate_req(vm_id); + unsigned eng = ring->vm_inv_eng; + + pd_addr = pd_addr | 0x1; /* valid bit */ + /* now only use physical base address of PDE and valid */ + BUG_ON(pd_addr & 0xFFFF00000000003EULL); + + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); + amdgpu_ring_write(ring, + (hub->ctx0_ptb_addr_hi32 + vm_id * 2) << 2); + amdgpu_ring_write(ring, upper_32_bits(pd_addr)); + + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); + amdgpu_ring_write(ring, + (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2); + amdgpu_ring_write(ring, lower_32_bits(pd_addr)); + + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT); + amdgpu_ring_write(ring, + (hub->ctx0_ptb_addr_lo32 + vm_id * 2) << 2); + amdgpu_ring_write(ring, 0xffffffff); + amdgpu_ring_write(ring, lower_32_bits(pd_addr)); + + /* flush TLB */ + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); + amdgpu_ring_write(ring, (hub->vm_inv_eng0_req + eng) << 2); + amdgpu_ring_write(ring, req); + + /* wait for flush */ + amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT); + amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2); + amdgpu_ring_write(ring, 1 << vm_id); + amdgpu_ring_write(ring, 1 << vm_id); +} + static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source, unsigned type, @@ -755,12 +892,45 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = { .end_use = amdgpu_vcn_ring_end_use, }; +static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = { + .type = AMDGPU_RING_TYPE_VCN_ENC, + .align_mask = 0x3f, + .nop = VCN_ENC_CMD_NO_OP, + .support_64bit_ptrs = false, + .get_rptr = vcn_v1_0_enc_ring_get_rptr, + .get_wptr = vcn_v1_0_enc_ring_get_wptr, + .set_wptr = vcn_v1_0_enc_ring_set_wptr, + .emit_frame_size = + 17 * AMDGPU_MAX_VMHUBS + /* vcn_v1_0_enc_ring_emit_vm_flush */ + 5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */ + 1, /* vcn_v1_0_enc_ring_insert_end */ + .emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */ + .emit_ib = vcn_v1_0_enc_ring_emit_ib, + .emit_fence = vcn_v1_0_enc_ring_emit_fence, + .emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush, + .insert_nop = amdgpu_ring_insert_nop, + .insert_end = vcn_v1_0_enc_ring_insert_end, + .pad_ib = amdgpu_ring_generic_pad_ib, + .begin_use = amdgpu_vcn_ring_begin_use, + .end_use = amdgpu_vcn_ring_end_use, +}; + static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev) { adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs; DRM_INFO("VCN decode is enabled in VM mode\n"); } +static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev) +{ + int i; + + for (i = 0; i < adev->vcn.num_enc_rings; ++i) + adev->vcn.ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs; + + DRM_INFO("VCN encode is enabled in VM mode\n"); +} + static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = { .set = vcn_v1_0_set_interrupt_state, .process = vcn_v1_0_process_interrupt, -- 2.20.1