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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-27 17:45:48 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-27 17:45:48 -0800 |
commit | a6ed68d6468bd5a3da78a103344ded1435fed57a (patch) | |
tree | be42a3609d7e9a2581806aab5bc1ace42f9ca992 /drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | |
parent | 8c39f71ee2019e77ee14f88b1321b2348db51820 (diff) | |
parent | acc61b8929365e63a3e8c8c8913177795aa45594 (diff) | |
download | talos-op-linux-a6ed68d6468bd5a3da78a103344ded1435fed57a.tar.gz talos-op-linux-a6ed68d6468bd5a3da78a103344ded1435fed57a.zip |
Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Lots of stuff in here, though it hasn't been too insane this merge
apart from dealing with the security fun.
uapi:
- export different colorspace properties on DP vs HDMI
- new fourcc for ARM 16x16 block format
- syncobj: allow querying last submitted timeline value
- DRM_FORMAT_BIG_ENDIAN defined as unsigned
core:
- allow using gem vma manager in ttm
- connector/encoder/bridge doc fixes
- allow more than 3 encoders for a connector
- displayport mst suspend/resume reprobing support
- vram lazy unmapping, uniform vram mm and gem vram
- edid cleanups + AVI informframe bar info
- displayport helpers - dpcd parser added
dp_cec:
- Allow a connector to be associated with a cec device
ttm:
- pipelining with no_gpu_wait fix
- always keep BOs on the LRU
sched:
- allow free_job routine to sleep
i915:
- Block userptr from mappable GTT
- i915 perf uapi versioning
- OA stream dynamic reconfiguration
- make context persistence optional
- introduce DRM_I915_UNSTABLE Kconfig
- add fake lmem testing under unstable
- BT.2020 support for DP MSA
- struct mutex elimination
- Tigerlake display/PLL/power management improvements
- Jasper Lake PCH support
- refactor PMU for multiple GPUs
- Icelake firmware update
- Split out vga + switcheroo code
amdgpu:
- implement dma-buf import/export without helpers
- vega20 RAS enablement
- DC i2c over aux fixes
- renoir GPU reset
- DC HDCP support
- BACO support for CI/VI asics
- MSI-X support
- Arcturus EEPROM support
- Arcturus VCN encode support
- VCN dynamic powergating on RV/RV2
amdkfd:
- add navi12/14/renoir support to kfd
radeon:
- SI dpm fix ported from amdgpu
- fix bad DMA on ppc platforms
gma500:
- memory leak fixes
qxl:
- convert to new gem mmap
exynos:
- build warning fix
komeda:
- add aclk sysfs attribute
v3d:
- userspace cleanup uapi change
i810:
- fix for underflow in dispatch ioctls
ast:
- refactor show_cursor
mgag200:
- refactor show_cursor
arcgpu:
- encoder finding improvements
mediatek:
- mipi_tx, dsi and partial crtc support for MT8183 SoC
- rotation support
meson:
- add suspend/resume support
omap:
- misc refactors
tegra:
- DisplayPort support for Tegra 210, 186 and 194.
- IOMMU-backed DMA API fixes
panfrost:
- fix lockdep issue
- simplify devfreq integration
rcar-du:
- R8A774B1 SoC support
- fixes for H2 ES2.0
sun4i:
- vcc-dsi regulator support
virtio-gpu:
- vmexit vs spinlock fix
- move to gem shmem helpers
- handle large command buffers with cma"
* tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm: (1855 commits)
drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10
drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF.
drm/amd/amdgpu/sriov temporarily skip ras,dtm,hdcp for arcturus VF
drm/amdgpu/gfx10: re-init clear state buffer after gpu reset
merge fix for "ftrace: Rework event_create_dir()"
drm/amdgpu: Update Arcturus golden registers
drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access
drm/amdgpu/gfx10: explicitly wait for cp idle after halt/unhalt
Revert "drm/amd/display: enable S/G for RAVEN chip"
drm/amdgpu: disable gfxoff on original raven
drm/amdgpu: remove experimental flag for Navi14
drm/amdgpu: disable gfxoff when using register read interface
drm/amdgpu/powerplay: properly set PP_GFXOFF_MASK (v2)
drm/amdgpu: fix bad DMA from INTERRUPT_CNTL2
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
drm/amd/display: Fix debugfs on MST connectors
drm/amdgpu/nv: add asic func for fetching vbios from rom directly
drm/amdgpu: put flush_delayed_work at first
drm/amdgpu/vcn2.5: fix the enc loop with hw fini
...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 209 |
1 files changed, 117 insertions, 92 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index 8a32b5c93778..7de16c0c2f20 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -100,7 +100,101 @@ static int __update_table_header(struct amdgpu_ras_eeprom_control *control, return ret; } -static uint32_t __calc_hdr_byte_sum(struct amdgpu_ras_eeprom_control *control); + + +static uint32_t __calc_hdr_byte_sum(struct amdgpu_ras_eeprom_control *control) +{ + int i; + uint32_t tbl_sum = 0; + + /* Header checksum, skip checksum field in the calculation */ + for (i = 0; i < sizeof(control->tbl_hdr) - sizeof(control->tbl_hdr.checksum); i++) + tbl_sum += *(((unsigned char *)&control->tbl_hdr) + i); + + return tbl_sum; +} + +static uint32_t __calc_recs_byte_sum(struct eeprom_table_record *records, + int num) +{ + int i, j; + uint32_t tbl_sum = 0; + + /* Records checksum */ + for (i = 0; i < num; i++) { + struct eeprom_table_record *record = &records[i]; + + for (j = 0; j < sizeof(*record); j++) { + tbl_sum += *(((unsigned char *)record) + j); + } + } + + return tbl_sum; +} + +static inline uint32_t __calc_tbl_byte_sum(struct amdgpu_ras_eeprom_control *control, + struct eeprom_table_record *records, int num) +{ + return __calc_hdr_byte_sum(control) + __calc_recs_byte_sum(records, num); +} + +/* Checksum = 256 -((sum of all table entries) mod 256) */ +static void __update_tbl_checksum(struct amdgpu_ras_eeprom_control *control, + struct eeprom_table_record *records, int num, + uint32_t old_hdr_byte_sum) +{ + /* + * This will update the table sum with new records. + * + * TODO: What happens when the EEPROM table is to be wrapped around + * and old records from start will get overridden. + */ + + /* need to recalculate updated header byte sum */ + control->tbl_byte_sum -= old_hdr_byte_sum; + control->tbl_byte_sum += __calc_tbl_byte_sum(control, records, num); + + control->tbl_hdr.checksum = 256 - (control->tbl_byte_sum % 256); +} + +/* table sum mod 256 + checksum must equals 256 */ +static bool __validate_tbl_checksum(struct amdgpu_ras_eeprom_control *control, + struct eeprom_table_record *records, int num) +{ + control->tbl_byte_sum = __calc_tbl_byte_sum(control, records, num); + + if (control->tbl_hdr.checksum + (control->tbl_byte_sum % 256) != 256) { + DRM_WARN("Checksum mismatch, checksum: %u ", control->tbl_hdr.checksum); + return false; + } + + return true; +} + +int amdgpu_ras_eeprom_reset_table(struct amdgpu_ras_eeprom_control *control) +{ + unsigned char buff[EEPROM_ADDRESS_SIZE + EEPROM_TABLE_HEADER_SIZE] = { 0 }; + struct amdgpu_ras_eeprom_table_header *hdr = &control->tbl_hdr; + int ret = 0; + + mutex_lock(&control->tbl_mutex); + + hdr->header = EEPROM_TABLE_HDR_VAL; + hdr->version = EEPROM_TABLE_VER; + hdr->first_rec_offset = EEPROM_RECORD_START; + hdr->tbl_size = EEPROM_TABLE_HEADER_SIZE; + + control->tbl_byte_sum = 0; + __update_tbl_checksum(control, NULL, 0, 0); + control->next_addr = EEPROM_RECORD_START; + + ret = __update_table_header(control, buff); + + mutex_unlock(&control->tbl_mutex); + + return ret; + +} int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control) { @@ -122,6 +216,10 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control) ret = smu_v11_0_i2c_eeprom_control_init(&control->eeprom_accessor); break; + case CHIP_ARCTURUS: + ret = smu_i2c_eeprom_init(&adev->smu, &control->eeprom_accessor); + break; + default: return 0; } @@ -143,25 +241,18 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control) if (hdr->header == EEPROM_TABLE_HDR_VAL) { control->num_recs = (hdr->tbl_size - EEPROM_TABLE_HEADER_SIZE) / EEPROM_TABLE_RECORD_SIZE; + control->tbl_byte_sum = __calc_hdr_byte_sum(control); + control->next_addr = EEPROM_RECORD_START; + DRM_DEBUG_DRIVER("Found existing EEPROM table with %d records", control->num_recs); } else { DRM_INFO("Creating new EEPROM table"); - hdr->header = EEPROM_TABLE_HDR_VAL; - hdr->version = EEPROM_TABLE_VER; - hdr->first_rec_offset = EEPROM_RECORD_START; - hdr->tbl_size = EEPROM_TABLE_HEADER_SIZE; - - adev->psp.ras.ras->eeprom_control.tbl_byte_sum = - __calc_hdr_byte_sum(&adev->psp.ras.ras->eeprom_control); - ret = __update_table_header(control, buff); + ret = amdgpu_ras_eeprom_reset_table(control); } - /* Start inserting records from here */ - adev->psp.ras.ras->eeprom_control.next_addr = EEPROM_RECORD_START; - return ret == 1 ? 0 : -EIO; } @@ -173,6 +264,9 @@ void amdgpu_ras_eeprom_fini(struct amdgpu_ras_eeprom_control *control) case CHIP_VEGA20: smu_v11_0_i2c_eeprom_control_fini(&control->eeprom_accessor); break; + case CHIP_ARCTURUS: + smu_i2c_eeprom_fini(&adev->smu, &control->eeprom_accessor); + break; default: return; @@ -226,8 +320,8 @@ static void __decode_table_record_from_buff(struct amdgpu_ras_eeprom_control *co record->offset = (le64_to_cpu(tmp) & 0xffffffffffff); i += 6; - buff[i++] = record->mem_channel; - buff[i++] = record->mcumc_id; + record->mem_channel = buff[i++]; + record->mcumc_id = buff[i++]; memcpy(&tmp, buff + i, 6); record->retired_page = (le64_to_cpu(tmp) & 0xffffffffffff); @@ -266,87 +360,18 @@ static uint32_t __correct_eeprom_dest_address(uint32_t curr_address) return curr_address; } - -static uint32_t __calc_hdr_byte_sum(struct amdgpu_ras_eeprom_control *control) -{ - int i; - uint32_t tbl_sum = 0; - - /* Header checksum, skip checksum field in the calculation */ - for (i = 0; i < sizeof(control->tbl_hdr) - sizeof(control->tbl_hdr.checksum); i++) - tbl_sum += *(((unsigned char *)&control->tbl_hdr) + i); - - return tbl_sum; -} - -static uint32_t __calc_recs_byte_sum(struct eeprom_table_record *records, - int num) -{ - int i, j; - uint32_t tbl_sum = 0; - - /* Records checksum */ - for (i = 0; i < num; i++) { - struct eeprom_table_record *record = &records[i]; - - for (j = 0; j < sizeof(*record); j++) { - tbl_sum += *(((unsigned char *)record) + j); - } - } - - return tbl_sum; -} - -static inline uint32_t __calc_tbl_byte_sum(struct amdgpu_ras_eeprom_control *control, - struct eeprom_table_record *records, int num) -{ - return __calc_hdr_byte_sum(control) + __calc_recs_byte_sum(records, num); -} - -/* Checksum = 256 -((sum of all table entries) mod 256) */ -static void __update_tbl_checksum(struct amdgpu_ras_eeprom_control *control, - struct eeprom_table_record *records, int num, - uint32_t old_hdr_byte_sum) -{ - /* - * This will update the table sum with new records. - * - * TODO: What happens when the EEPROM table is to be wrapped around - * and old records from start will get overridden. - */ - - /* need to recalculate updated header byte sum */ - control->tbl_byte_sum -= old_hdr_byte_sum; - control->tbl_byte_sum += __calc_tbl_byte_sum(control, records, num); - - control->tbl_hdr.checksum = 256 - (control->tbl_byte_sum % 256); -} - -/* table sum mod 256 + checksum must equals 256 */ -static bool __validate_tbl_checksum(struct amdgpu_ras_eeprom_control *control, - struct eeprom_table_record *records, int num) -{ - control->tbl_byte_sum = __calc_tbl_byte_sum(control, records, num); - - if (control->tbl_hdr.checksum + (control->tbl_byte_sum % 256) != 256) { - DRM_WARN("Checksum mismatch, checksum: %u ", control->tbl_hdr.checksum); - return false; - } - - return true; -} - int amdgpu_ras_eeprom_process_recods(struct amdgpu_ras_eeprom_control *control, struct eeprom_table_record *records, bool write, int num) { int i, ret = 0; - struct i2c_msg *msgs; - unsigned char *buffs; + struct i2c_msg *msgs, *msg; + unsigned char *buffs, *buff; + struct eeprom_table_record *record; struct amdgpu_device *adev = to_amdgpu_device(control); - if (adev->asic_type != CHIP_VEGA20) + if (adev->asic_type != CHIP_VEGA20 && adev->asic_type != CHIP_ARCTURUS) return 0; buffs = kcalloc(num, EEPROM_ADDRESS_SIZE + EEPROM_TABLE_RECORD_SIZE, @@ -373,9 +398,9 @@ int amdgpu_ras_eeprom_process_recods(struct amdgpu_ras_eeprom_control *control, * 256b */ for (i = 0; i < num; i++) { - unsigned char *buff = &buffs[i * (EEPROM_ADDRESS_SIZE + EEPROM_TABLE_RECORD_SIZE)]; - struct eeprom_table_record *record = &records[i]; - struct i2c_msg *msg = &msgs[i]; + buff = &buffs[i * (EEPROM_ADDRESS_SIZE + EEPROM_TABLE_RECORD_SIZE)]; + record = &records[i]; + msg = &msgs[i]; control->next_addr = __correct_eeprom_dest_address(control->next_addr); @@ -415,8 +440,8 @@ int amdgpu_ras_eeprom_process_recods(struct amdgpu_ras_eeprom_control *control, if (!write) { for (i = 0; i < num; i++) { - unsigned char *buff = &buffs[i*(EEPROM_ADDRESS_SIZE + EEPROM_TABLE_RECORD_SIZE)]; - struct eeprom_table_record *record = &records[i]; + buff = &buffs[i*(EEPROM_ADDRESS_SIZE + EEPROM_TABLE_RECORD_SIZE)]; + record = &records[i]; __decode_table_record_from_buff(control, record, buff + EEPROM_ADDRESS_SIZE); } |