[PATCH v3 3/7] drm/amdgpu/vcn: sriov support for vcn_v4_0_3
Samir Dhume
samir.dhume at amd.com
Fri Jul 28 19:15:37 UTC 2023
initialization table handshake with mmsch
Signed-off-by: Samir Dhume <samir.dhume at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 257 +++++++++++++++++++++---
1 file changed, 233 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 411c1d802823..b978265b2d77 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -31,6 +31,7 @@
#include "soc15d.h"
#include "soc15_hw_ip.h"
#include "vcn_v2_0.h"
+#include "mmsch_v4_0_3.h"
#include "vcn/vcn_4_0_3_offset.h"
#include "vcn/vcn_4_0_3_sh_mask.h"
@@ -44,6 +45,7 @@
#define VCN_VID_SOC_ADDRESS_2_0 0x1fb00
#define VCN1_VID_SOC_ADDRESS_3_0 0x48300
+static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev);
static void vcn_v4_0_3_set_unified_ring_funcs(struct amdgpu_device *adev);
static void vcn_v4_0_3_set_irq_funcs(struct amdgpu_device *adev);
static int vcn_v4_0_3_set_powergating_state(void *handle,
@@ -130,6 +132,10 @@ static int vcn_v4_0_3_sw_init(void *handle)
amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
}
+ r = amdgpu_virt_alloc_mm_table(adev);
+ if (r)
+ return r;
+
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
adev->vcn.pause_dpg_mode = vcn_v4_0_3_pause_dpg_mode;
@@ -167,6 +173,8 @@ static int vcn_v4_0_3_sw_fini(void *handle)
drm_dev_exit(idx);
}
+ amdgpu_virt_free_mm_table(adev);
+
r = amdgpu_vcn_suspend(adev);
if (r)
return r;
@@ -189,33 +197,47 @@ static int vcn_v4_0_3_hw_init(void *handle)
struct amdgpu_ring *ring;
int i, r, vcn_inst;
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
- vcn_inst = GET_INST(VCN, i);
- ring = &adev->vcn.inst[i].ring_enc[0];
+ if (amdgpu_sriov_vf(adev)) {
+ r = vcn_v4_0_3_start_sriov(adev);
+ if (r)
+ goto done;
- if (ring->use_doorbell) {
- adev->nbio.funcs->vcn_doorbell_range(
- adev, ring->use_doorbell,
- (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
- 9 * vcn_inst,
- adev->vcn.inst[i].aid_id);
-
- WREG32_SOC15(
- VCN, GET_INST(VCN, ring->me),
- regVCN_RB1_DB_CTRL,
- ring->doorbell_index
- << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
- VCN_RB1_DB_CTRL__EN_MASK);
-
- /* Read DB_CTRL to flush the write DB_CTRL command. */
- RREG32_SOC15(
- VCN, GET_INST(VCN, ring->me),
- regVCN_RB1_DB_CTRL);
+ for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+ ring = &adev->vcn.inst[i].ring_enc[0];
+ ring->wptr = 0;
+ ring->wptr_old = 0;
+ vcn_v4_0_3_unified_ring_set_wptr(ring);
+ ring->sched.ready = true;
}
+ } else {
+ for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+ vcn_inst = GET_INST(VCN, i);
+ ring = &adev->vcn.inst[i].ring_enc[0];
+
+ if (ring->use_doorbell) {
+ adev->nbio.funcs->vcn_doorbell_range(
+ adev, ring->use_doorbell,
+ (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
+ 9 * vcn_inst,
+ adev->vcn.inst[i].aid_id);
+
+ WREG32_SOC15(
+ VCN, GET_INST(VCN, ring->me),
+ regVCN_RB1_DB_CTRL,
+ ring->doorbell_index
+ << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
+ VCN_RB1_DB_CTRL__EN_MASK);
+
+ /* Read DB_CTRL to flush the write DB_CTRL command. */
+ RREG32_SOC15(
+ VCN, GET_INST(VCN, ring->me),
+ regVCN_RB1_DB_CTRL);
+ }
- r = amdgpu_ring_test_helper(ring);
- if (r)
- goto done;
+ r = amdgpu_ring_test_helper(ring);
+ if (r)
+ goto done;
+ }
}
done:
@@ -813,6 +835,193 @@ static int vcn_v4_0_3_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, b
return 0;
}
+static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev)
+{
+ int i, vcn_inst;
+ struct amdgpu_ring *ring_enc;
+ uint64_t cache_addr;
+ uint64_t rb_enc_addr;
+ uint64_t ctx_addr;
+ uint32_t param, resp, expected;
+ uint32_t offset, cache_size;
+ uint32_t tmp, timeout;
+
+ struct amdgpu_mm_table *table = &adev->virt.mm_table;
+ uint32_t *table_loc;
+ uint32_t table_size;
+ uint32_t size, size_dw;
+ uint32_t init_status;
+ uint32_t enabled_vcn;
+
+ struct mmsch_v4_0_cmd_direct_write
+ direct_wt = { {0} };
+ struct mmsch_v4_0_cmd_direct_read_modify_write
+ direct_rd_mod_wt = { {0} };
+ struct mmsch_v4_0_cmd_end end = { {0} };
+ struct mmsch_v4_0_3_init_header header;
+
+ volatile struct amdgpu_vcn4_fw_shared *fw_shared;
+ volatile struct amdgpu_fw_shared_rb_setup *rb_setup;
+
+ direct_wt.cmd_header.command_type =
+ MMSCH_COMMAND__DIRECT_REG_WRITE;
+ direct_rd_mod_wt.cmd_header.command_type =
+ MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
+ end.cmd_header.command_type = MMSCH_COMMAND__END;
+
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ vcn_inst = GET_INST(VCN, i);
+
+ memset(&header, 0, sizeof(struct mmsch_v4_0_3_init_header));
+ header.version = MMSCH_VERSION;
+ header.total_size = sizeof(struct mmsch_v4_0_3_init_header) >> 2;
+
+ table_loc = (uint32_t *)table->cpu_addr;
+ table_loc += header.total_size;
+
+ table_size = 0;
+
+ MMSCH_V4_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, 0, regUVD_STATUS),
+ ~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
+
+ cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
+
+ offset = 0;
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_OFFSET0), 0);
+ } else {
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.inst[i].gpu_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.inst[i].gpu_addr));
+ offset = cache_size;
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_OFFSET0),
+ AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
+ }
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_SIZE0),
+ cache_size);
+
+ cache_addr = adev->vcn.inst[vcn_inst].gpu_addr + offset;
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), lower_32_bits(cache_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), upper_32_bits(cache_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_OFFSET1), 0);
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE);
+
+ cache_addr = adev->vcn.inst[vcn_inst].gpu_addr + offset +
+ AMDGPU_VCN_STACK_SIZE;
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW), lower_32_bits(cache_addr));
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH), upper_32_bits(cache_addr));
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_OFFSET2), 0);
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE);
+
+ fw_shared = adev->vcn.inst[vcn_inst].fw_shared.cpu_addr;
+ rb_setup = &fw_shared->rb_setup;
+
+ ring_enc = &adev->vcn.inst[vcn_inst].ring_enc[0];
+ ring_enc->wptr = 0;
+ rb_enc_addr = ring_enc->gpu_addr;
+
+ rb_setup->is_rb_enabled_flags |= RB_ENABLED;
+ rb_setup->rb_addr_lo = lower_32_bits(rb_enc_addr);
+ rb_setup->rb_addr_hi = upper_32_bits(rb_enc_addr);
+ rb_setup->rb_size = ring_enc->ring_size / 4;
+ fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.inst[vcn_inst].fw_shared.gpu_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.inst[vcn_inst].fw_shared.gpu_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
+ regUVD_VCPU_NONCACHE_SIZE0),
+ AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
+ MMSCH_V4_0_INSERT_END();
+
+ header.vcn0.init_status = 0;
+ header.vcn0.table_offset = header.total_size;
+ header.vcn0.table_size = table_size;
+ header.total_size += table_size;
+
+ /* Send init table to mmsch */
+ size = sizeof(struct mmsch_v4_0_3_init_header);
+ table_loc = (uint32_t *)table->cpu_addr;
+ memcpy((void *)table_loc, &header, size);
+
+ ctx_addr = table->gpu_addr;
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
+
+ tmp = RREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_VMID);
+ tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
+ tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_VMID, tmp);
+
+ size = header.total_size;
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_CTX_SIZE, size);
+
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_RESP, 0);
+
+ param = 0x00000001;
+ WREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_HOST, param);
+ tmp = 0;
+ timeout = 1000;
+ resp = 0;
+ expected = MMSCH_VF_MAILBOX_RESP__OK;
+ while (resp != expected) {
+ resp = RREG32_SOC15(VCN, vcn_inst, regMMSCH_VF_MAILBOX_RESP);
+ if (resp != 0)
+ break;
+
+ udelay(10);
+ tmp = tmp + 10;
+ if (tmp >= timeout) {
+ DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
+ " waiting for regMMSCH_VF_MAILBOX_RESP "\
+ "(expected=0x%08x, readback=0x%08x)\n",
+ tmp, expected, resp);
+ return -EBUSY;
+ }
+ }
+
+ enabled_vcn = amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, 0) ? 1 : 0;
+ init_status = ((struct mmsch_v4_0_3_init_header *)(table_loc))->vcn0.init_status;
+ if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE
+ && init_status != MMSCH_VF_ENGINE_STATUS__PASS) {
+ DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init "\
+ "status for VCN%x: 0x%x\n", resp, enabled_vcn, init_status);
+ }
+ }
+
+ return 0;
+}
+
/**
* vcn_v4_0_3_start - VCN start
*
--
2.34.1
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