diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 146 |
1 files changed, 132 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c index 2258323a3c26..4e20d91d5d50 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -35,6 +35,8 @@ #include "raven1/GC/gc_9_1_offset.h" #include "raven1/SDMA0/sdma0_4_1_offset.h" +MODULE_FIRMWARE("amdgpu/raven_asd.bin"); + static int psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type) { @@ -86,19 +88,63 @@ psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type * return 0; } +int psp_v10_0_init_microcode(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + const char *chip_name; + char fw_name[30]; + int err = 0; + const struct psp_firmware_header_v1_0 *hdr; + + DRM_DEBUG("\n"); + + switch (adev->asic_type) { + case CHIP_RAVEN: + chip_name = "raven"; + break; + default: BUG(); + } + + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name); + err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev); + if (err) + goto out; + + err = amdgpu_ucode_validate(adev->psp.asd_fw); + if (err) + goto out; + + hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data; + adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version); + adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); + adev->psp.asd_start_addr = (uint8_t *)hdr + + le32_to_cpu(hdr->header.ucode_array_offset_bytes); + + return 0; +out: + if (err) { + dev_err(adev->dev, + "psp v10.0: Failed to load firmware \"%s\"\n", + fw_name); + release_firmware(adev->psp.asd_fw); + adev->psp.asd_fw = NULL; + } + + return err; +} + int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd) { int ret; uint64_t fw_mem_mc_addr = ucode->mc_addr; - struct common_firmware_header *header; memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp)); - header = (struct common_firmware_header *)ucode->fw; cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW; cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr); cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr); - cmd->cmd.cmd_load_ip_fw.fw_size = le32_to_cpu(header->ucode_size_bytes); + cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size; ret = psp_v10_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type); if (ret) @@ -110,7 +156,6 @@ int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cm int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; - unsigned int psp_ring_reg = 0; struct psp_ring *ring; struct amdgpu_device *adev = psp->adev; @@ -130,6 +175,16 @@ int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) return ret; } + return 0; +} + +int psp_v10_0_ring_create(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + unsigned int psp_ring_reg = 0; + struct psp_ring *ring = &psp->km_ring; + struct amdgpu_device *adev = psp->adev; + /* Write low address of the ring to C2PMSG_69 */ psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg); @@ -143,13 +198,55 @@ int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) psp_ring_reg = ring_type; psp_ring_reg = psp_ring_reg << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); + + /* There might be handshake issue with hardware which needs delay */ + mdelay(20); + /* Wait for response flag (bit 31) in C2PMSG_64 */ - psp_ring_reg = 0; - while ((psp_ring_reg & 0x80000000) == 0) { - psp_ring_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64); - } + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), + 0x80000000, 0x8000FFFF, false); - return 0; + return ret; +} + +int psp_v10_0_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring; + unsigned int psp_ring_reg = 0; + struct amdgpu_device *adev = psp->adev; + + ring = &psp->km_ring; + + /* Write the ring destroy command to C2PMSG_64 */ + psp_ring_reg = 3 << 16; + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); + + /* There might be handshake issue with hardware which needs delay */ + mdelay(20); + + /* Wait for response flag (bit 31) in C2PMSG_64 */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), + 0x80000000, 0x80000000, false); + + return ret; +} + +int psp_v10_0_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring = &psp->km_ring; + struct amdgpu_device *adev = psp->adev; + + ret = psp_v10_0_ring_stop(psp, ring_type); + if (ret) + DRM_ERROR("Fail to stop psp ring\n"); + + amdgpu_bo_free_kernel(&adev->firmware.rbuf, + &ring->ring_mem_mc_addr, + (void **)&ring->ring_mem); + + return ret; } int psp_v10_0_cmd_submit(struct psp_context *psp, @@ -160,16 +257,31 @@ int psp_v10_0_cmd_submit(struct psp_context *psp, unsigned int psp_write_ptr_reg = 0; struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem; struct psp_ring *ring = &psp->km_ring; + struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem; + struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start + + ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1; struct amdgpu_device *adev = psp->adev; + uint32_t ring_size_dw = ring->ring_size / 4; + uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4; /* KM (GPCOM) prepare write pointer */ psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); /* Update KM RB frame pointer to new frame */ - if ((psp_write_ptr_reg % ring->ring_size) == 0) - write_frame = ring->ring_mem; + if ((psp_write_ptr_reg % ring_size_dw) == 0) + write_frame = ring_buffer_start; else - write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4)); + write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw); + /* Check invalid write_frame ptr address */ + if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) { + DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n", + ring_buffer_start, ring_buffer_end, write_frame); + DRM_ERROR("write_frame is pointing to address out of bounds\n"); + return -EINVAL; + } + + /* Initialize KM RB frame */ + memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame)); /* Update KM RB frame */ write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr); @@ -179,8 +291,7 @@ int psp_v10_0_cmd_submit(struct psp_context *psp, write_frame->fence_value = index; /* Update the write Pointer in DWORDs */ - psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4; - psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg; + psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg); return 0; @@ -306,3 +417,10 @@ bool psp_v10_0_compare_sram_data(struct psp_context *psp, return true; } + + +int psp_v10_0_mode1_reset(struct psp_context *psp) +{ + DRM_INFO("psp mode 1 reset not supported now! \n"); + return -EINVAL; +} |