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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c new file mode 100644 index 0000000000..e2b9392d7f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c @@ -0,0 +1,346 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/firmware.h> +#include "amdgpu.h" +#include "amdgpu_sdma.h" +#include "amdgpu_ras.h" + +#define AMDGPU_CSA_SDMA_SIZE 64 +/* SDMA CSA reside in the 3rd page of CSA */ +#define AMDGPU_CSA_SDMA_OFFSET (4096 * 2) + +/* + * GPU SDMA IP block helpers function. + */ + +struct amdgpu_sdma_instance *amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) + if (ring == &adev->sdma.instance[i].ring || + ring == &adev->sdma.instance[i].page) + return &adev->sdma.instance[i]; + + return NULL; +} + +int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index) +{ + struct amdgpu_device *adev = ring->adev; + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) { + if (ring == &adev->sdma.instance[i].ring || + ring == &adev->sdma.instance[i].page) { + *index = i; + return 0; + } + } + + return -EINVAL; +} + +uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, + unsigned int vmid) +{ + struct amdgpu_device *adev = ring->adev; + uint64_t csa_mc_addr; + uint32_t index = 0; + int r; + + /* don't enable OS preemption on SDMA under SRIOV */ + if (amdgpu_sriov_vf(adev) || vmid == 0 || !adev->gfx.mcbp) + return 0; + + if (ring->is_mes_queue) { + uint32_t offset = 0; + + offset = offsetof(struct amdgpu_mes_ctx_meta_data, + sdma[ring->idx].sdma_meta_data); + csa_mc_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); + } else { + r = amdgpu_sdma_get_index_from_ring(ring, &index); + + if (r || index > 31) + csa_mc_addr = 0; + else + csa_mc_addr = amdgpu_csa_vaddr(adev) + + AMDGPU_CSA_SDMA_OFFSET + + index * AMDGPU_CSA_SDMA_SIZE; + } + + return csa_mc_addr; +} + +int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev, + struct ras_common_if *ras_block) +{ + int r, i; + + r = amdgpu_ras_block_late_init(adev, ras_block); + if (r) + return r; + + if (amdgpu_ras_is_supported(adev, ras_block->block)) { + for (i = 0; i < adev->sdma.num_instances; i++) { + r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, + AMDGPU_SDMA_IRQ_INSTANCE0 + i); + if (r) + goto late_fini; + } + } + + return 0; + +late_fini: + amdgpu_ras_block_late_fini(adev, ras_block); + return r; +} + +int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev, + void *err_data, + struct amdgpu_iv_entry *entry) +{ + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + + if (amdgpu_sriov_vf(adev)) + return AMDGPU_RAS_SUCCESS; + + amdgpu_ras_reset_gpu(adev); + + return AMDGPU_RAS_SUCCESS; +} + +int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + struct ras_common_if *ras_if = adev->sdma.ras_if; + struct ras_dispatch_if ih_data = { + .entry = entry, + }; + + if (!ras_if) + return 0; + + ih_data.head = *ras_if; + + amdgpu_ras_interrupt_dispatch(adev, &ih_data); + return 0; +} + +static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst) +{ + uint16_t version_major; + const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; + const struct sdma_firmware_header_v2_0 *hdr_v2; + + header = (const struct common_firmware_header *) + sdma_inst->fw->data; + version_major = le16_to_cpu(header->header_version_major); + + switch (version_major) { + case 1: + hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data; + sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version); + sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version); + break; + case 2: + hdr_v2 = (const struct sdma_firmware_header_v2_0 *)sdma_inst->fw->data; + sdma_inst->fw_version = le32_to_cpu(hdr_v2->header.ucode_version); + sdma_inst->feature_version = le32_to_cpu(hdr_v2->ucode_feature_version); + break; + default: + return -EINVAL; + } + + if (sdma_inst->feature_version >= 20) + sdma_inst->burst_nop = true; + + return 0; +} + +void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev, + bool duplicate) +{ + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) { + amdgpu_ucode_release(&adev->sdma.instance[i].fw); + if (duplicate) + break; + } + + memset((void *)adev->sdma.instance, 0, + sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES); +} + +int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, + u32 instance, bool duplicate) +{ + struct amdgpu_firmware_info *info = NULL; + const struct common_firmware_header *header = NULL; + int err, i; + const struct sdma_firmware_header_v2_0 *sdma_hdr; + uint16_t version_major; + char ucode_prefix[30]; + char fw_name[40]; + + amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix)); + if (instance == 0) + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix); + else + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s%d.bin", ucode_prefix, instance); + err = amdgpu_ucode_request(adev, &adev->sdma.instance[instance].fw, fw_name); + if (err) + goto out; + + header = (const struct common_firmware_header *) + adev->sdma.instance[instance].fw->data; + version_major = le16_to_cpu(header->header_version_major); + + if ((duplicate && instance) || (!duplicate && version_major > 1)) { + err = -EINVAL; + goto out; + } + + err = amdgpu_sdma_init_inst_ctx(&adev->sdma.instance[instance]); + if (err) + goto out; + + if (duplicate) { + for (i = 1; i < adev->sdma.num_instances; i++) + memcpy((void *)&adev->sdma.instance[i], + (void *)&adev->sdma.instance[0], + sizeof(struct amdgpu_sdma_instance)); + } + + DRM_DEBUG("psp_load == '%s'\n", + adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false"); + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + switch (version_major) { + case 1: + for (i = 0; i < adev->sdma.num_instances; i++) { + if (!duplicate && (instance != i)) + continue; + else { + /* Use a single copy per SDMA firmware type. PSP uses the same instance for all + * groups of SDMAs */ + if (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 4, 2) && + adev->firmware.load_type == AMDGPU_FW_LOAD_PSP && + adev->sdma.num_inst_per_aid == i) { + break; + } + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; + info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; + info->fw = adev->sdma.instance[i].fw; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); + } + } + break; + case 2: + sdma_hdr = (const struct sdma_firmware_header_v2_0 *) + adev->sdma.instance[0].fw->data; + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH0]; + info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH0; + info->fw = adev->sdma.instance[0].fw; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(sdma_hdr->ctx_ucode_size_bytes), PAGE_SIZE); + info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA_UCODE_TH1]; + info->ucode_id = AMDGPU_UCODE_ID_SDMA_UCODE_TH1; + info->fw = adev->sdma.instance[0].fw; + adev->firmware.fw_size += + ALIGN(le32_to_cpu(sdma_hdr->ctl_ucode_size_bytes), PAGE_SIZE); + break; + default: + err = -EINVAL; + } + } + +out: + if (err) + amdgpu_sdma_destroy_inst_ctx(adev, duplicate); + return err; +} + +void amdgpu_sdma_unset_buffer_funcs_helper(struct amdgpu_device *adev) +{ + struct amdgpu_ring *sdma; + int i; + + for (i = 0; i < adev->sdma.num_instances; i++) { + if (adev->sdma.has_page_queue) { + sdma = &adev->sdma.instance[i].page; + if (adev->mman.buffer_funcs_ring == sdma) { + amdgpu_ttm_set_buffer_funcs_status(adev, false); + break; + } + } + sdma = &adev->sdma.instance[i].ring; + if (adev->mman.buffer_funcs_ring == sdma) { + amdgpu_ttm_set_buffer_funcs_status(adev, false); + break; + } + } +} + +int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev) +{ + int err = 0; + struct amdgpu_sdma_ras *ras = NULL; + + /* adev->sdma.ras is NULL, which means sdma does not + * support ras function, then do nothing here. + */ + if (!adev->sdma.ras) + return 0; + + ras = adev->sdma.ras; + + err = amdgpu_ras_register_ras_block(adev, &ras->ras_block); + if (err) { + dev_err(adev->dev, "Failed to register sdma ras block!\n"); + return err; + } + + strcpy(ras->ras_block.ras_comm.name, "sdma"); + ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__SDMA; + ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; + adev->sdma.ras_if = &ras->ras_block.ras_comm; + + /* If not define special ras_late_init function, use default ras_late_init */ + if (!ras->ras_block.ras_late_init) + ras->ras_block.ras_late_init = amdgpu_sdma_ras_late_init; + + /* If not defined special ras_cb function, use default ras_cb */ + if (!ras->ras_block.ras_cb) + ras->ras_block.ras_cb = amdgpu_sdma_process_ras_data_cb; + + return 0; +} |