- 08 Jul, 2021 6 commits
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Luben Tuikov authored
The I2C IP doesn't support writes or reads of 0 bytes. In order for a START/STOP transaction to take place on the bus, the data written/read has to be at least one byte. That is, you cannot generate a write with 0 bytes, just to get the ACK from a device, just so you can probe that device if it is on the bus and so to discover all devices on the bus--you'll have to read at least one byte. Writes of 0 bytes generate no START/STOP on this I2C IP--the bus is not engaged at all. Set the I2C_AQ_NO_ZERO_LEN to the existing I2C quirk tables for Aldebaran, Arcturus, Navi10 and Sienna Cichlid, and add a quirk table to the I2C driver which drives the bus when the SMU doesn't--for instance on Vega20. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
Luben Tuikov <luben.tuikov@amd.com> Reviewed-by:
Lijo Lazar <Lijo.Lazar@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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Luben Tuikov authored
Add I2C quirk table to Aldebaran. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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YuBiao Wang authored
[Why] GPU timing counters are read via KIQ under sriov, which will introduce a delay. [How] It could be directly read by MMIO. v2: Add additional check to prevent carryover issue. v3: Only check for carryover for once to prevent performance issue. v4: Add comments of the rough frequency where carryover happens. v5: Remove mutex and gfxoff ctrl unused with current timing registers. Signed-off-by:
YuBiao Wang <YuBiao.Wang@amd.com> Acked-by:
Horace Chen <horace.chen@amd.com> Reviewed-by:
Christian König <christian.koenig@amd.co> Reviewed-by:
Monk Liu <monk.liu@amd.com> Reviewed-by:
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Eric Huang authored
It is based on reverting two patches back. drm/amdkfd: Make TLB flush conditional on mapping drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update Signed-off-by:
Eric Huang <jinhuieric.huang@amd.com> Reviewed-by:
Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by:
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Nirmoy Das authored
Use new helper function amdgpu_vm_set_pasid() to assign vm pasid value. This also ensures that we don't free a pasid from vm code as pasids are allocated somewhere else. Signed-off-by:
Nirmoy Das <nirmoy.das@amd.com> Acked-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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Nirmoy Das authored
Replace idr with xarray as we actually need hash functionality. Cleanup code related to vm pasid by adding helper function. Signed-off-by:
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- 01 Jul, 2021 34 commits
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Jiri Kosina authored
In case when psp_init_asd_microcode() fails to load ASD microcode file, psp_v12_0_init_microcode() tries to print the firmware filename that failed to load before bailing out. This is wrong because: - the firmware filename it would want it print is an incorrect one as psp_init_asd_microcode() and psp_v12_0_init_microcode() are loading different filenames - it tries to print fw_name, but that's not yet been initialized by that time, so it prints random stack contents, e.g. amdgpu 0000:04:00.0: Direct firmware load for amdgpu/renoir_asd.bin failed with error -2 amdgpu 0000:04:00.0: amdgpu: fail to initialize asd microcode amdgpu 0000:04:00.0: amdgpu: psp v12.0: Failed to load firmware "\xfeTO\x8e\xff\xff" Fix that by bailing out immediately, instead of priting the bogus error message. Reported-by:Vojtech Pavlik <vojtech@ucw.cz> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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Jiri Kosina authored
This reverts commit 4192f7b5. It is not true (as stated in the reverted commit changelog) that we never unmap the BAR on failure; it actually does happen properly on amdgpu_driver_load_kms() -> amdgpu_driver_unload_kms() -> amdgpu_device_fini() error path. What's worse, this commit actually completely breaks resource freeing on probe failure (like e.g. failure to load microcode), as amdgpu_driver_unload_kms() notices adev->rmmio being NULL and bails too early, leaving all the resources that'd normally be freed in amdgpu_acpi_fini() and amdgpu_device_fini() still hanging around, leading to all sorts of oopses when someone tries to, for example, access the sysfs and procfs resources which are still around while the driver is gone. Fixes: 4192f7b5 ("drm/amdgpu: unmap register bar on device init failure") Reported-by:
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Lang Yu authored
Use amdgpu_ucode_name to show ucode name and psp_gfx_cmd_name to show psp_gfx_cmd name in psp_cmd_submit_buf. v2: adjust function name Signed-off-by:
Lang Yu <Lang.Yu@amd.com> Reviewed-by:
Huang Rui <ray.huang@amd.com> Signed-off-by:
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Lang Yu authored
Implement function psp_gfx_cmd_name to show cmd name via cmd id. v2: rename it to psp_gfx_cmd_name Signed-off-by:
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Lang Yu authored
Implement function amdgpu_ucode_name to show ucode name via ucode id. v2: rename it to amdgpu_ucode_name Signed-off-by:
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Alex Deucher authored
Was missing. Add it. Fixes: 6b36fa61 ("drm/amdgpu: add umc v8_7_0 IP headers") Reviewed-by:
Harry Wentland <harry.wentland@amd.com> Signed-off-by:
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Lukas Bulwahn authored
Commit 6b36fa61 ("drm/amdgpu: add umc v8_7_0 IP headers") adds the new file ./drivers/gpu/drm/amd/include/asic_reg/umc/umc_8_7_0_sh_mask.h with DOS line endings, which is very uncommon for the kernel repository. Rectify the line endings in this file with dos2unix. Identified by a checkpatch evaluation on the whole kernel repository and spot-checking for really unexpected checkpatch rule violations. Reported-by:
Dwaipayan Ray <dwaipayanray1@gmail.com> Signed-off-by:
Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by:
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Luben Tuikov authored
Simplify Aldebaran managed I2C transfer function to correctly play with the upper I2C layers. This gets it in line with Navi10, Acturus, and Sienna Cichlid. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
On long transfers to the EEPROM device, i.e. write, it is observed that the driver aborts the transfer. The reason for this is that the driver isn't patient enough--the IC_STATUS register's contents is 0x27, which is MST_ACTIVITY | TFE | TFNF | ACTIVITY. That is, while the transmission FIFO is empty, we, the I2C master device, are still driving the bus. Implement the correct procedure to disable the block, as described in the DesignWare I2C Databook, section 3.8.3 Disabling DW_apb_i2c on page 56. Now there are no premature aborts on long data transfers. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
In smu_v11_0_i2c_transmit() use a single loop to transmit bytes, instead of two nested loops. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
Debugfs RAS EEPROM files are available when the ASIC supports RAS, and when the debugfs is enabled, an also when "ras_enable" module parameter is set to 0. However in this case, we get a kernel oops when accessing some of the "ras_..." controls in debugfs. The reason for this is that struct amdgpu_ras::adev is unset. This commit sets it, thus enabling access to those facilities. Note that this facilitates EEPROM access and not necessarily RAS features or functionality. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Alex Deucher authored
pos is 64 bits. Fixes: c65b0805 ("drm/amdgpu: RAS EEPROM table is now in debugfs") Cc: luben.tuikov@amd.com Reported-by:
kernel test robot <lkp@intel.com> Reviewed-by:
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Luben Tuikov authored
Add "ras_eeprom_size" file in debugfs, which reports the maximum size allocated to the RAS table in EEROM, as the number of bytes and the number of records it could store. For instance, $cat /sys/kernel/debug/dri/0/ras/ras_eeprom_size 262144 bytes or 10921 records $_ Add "ras_eeprom_table" file in debugfs, which dumps the RAS table stored EEPROM, in a formatted way. For instance, $cat ras_eeprom_table Signature Version FirstOffs Size Checksum 0x414D4452 0x00010000 0x00000014 0x000000EC 0x000000DA Index Offset ErrType Bank/CU TimeStamp Offs/Addr MemChl MCUMCID RetiredPage 0 0x00014 ue 0x00 0x00000000607608DC 0x000000000000 0x00 0x00 0x000000000000 1 0x0002C ue 0x00 0x00000000607608DC 0x000000001000 0x00 0x00 0x000000000001 2 0x00044 ue 0x00 0x00000000607608DC 0x000000002000 0x00 0x00 0x000000000002 3 0x0005C ue 0x00 0x00000000607608DC 0x000000003000 0x00 0x00 0x000000000003 4 0x00074 ue 0x00 0x00000000607608DC 0x000000004000 0x00 0x00 0x000000000004 5 0x0008C ue 0x00 0x00000000607608DC 0x000000005000 0x00 0x00 0x000000000005 6 0x000A4 ue 0x00 0x00000000607608DC 0x000000006000 0x00 0x00 0x000000000006 7 0x000BC ue 0x00 0x00000000607608DC 0x000000007000 0x00 0x00 0x000000000007 8 0x000D4 ue 0x00 0x00000000607608DD 0x000000008000 0x00 0x00 0x000000000008 $_ Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Cc: Xinhui Pan <xinhui.pan@amd.com> Signed-off-by: -
Luben Tuikov authored
Split functionality between read and write, which simplifies the code and exposes areas of optimization and more or less complexity, and take advantage of that. Read and write the table in one go; use a separate stage to decode or encode the data, as opposed to on the fly, which keeps the I2C bus busy. Use a single read/write to read/write the table or at most two if the number of records we're reading/writing wraps around. Check the check-sum of a table in EEPROM on init. Update the checksum at the same time as when updating the table header signature, when the threshold was increased on boot. Take advantage of arithmetic modulo 256, that is, use a byte!, to greatly simplify checksum arithmetic. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
The code is now tested from userspace. Remove already macroed out test function. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
Qualify with "ras_". Use kernel's own--don't redefine your own. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
buff --> buf. Essentially buffer abbreviates to buf, remove 1/2 of it, or just the iron part, as opposed to just the Er, Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
RAS_MAX_RECORD_NUM may mean the maximum record number, as in the maximum house number on your street, or it may mean the maximum number of records, as in the count of records, which is also a number. To make this distinction whether the number is ordinal (index) or cardinal (count), rename this macro to RAS_MAX_RECORD_COUNT. This makes it easy to understand what it refers to, especially when we compute quantities such as, how many records do we have left in the table, especially when there are so many other numbers, quantities and numerical macros around. Also rename the long, amdgpu_ras_eeprom_get_record_max_length() to the more succinct and clear, amdgpu_ras_eeprom_max_record_count(). When computing the threshold, which also deals with counts, i.e. "how many", use cardinal "max_eeprom_records_count", than the quantitative "max_eeprom_records_len". Simplify the logic here and there, as well. Cc: Guchun Chen <guchun.chen@amd.com> Cc: John Clements <john.clements@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Signed-off-by:
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Luben Tuikov authored
Rename update_table_header() to write_table_header() as this function is actually writing it to EEPROM. Use kernel types; use u8 to carry around the checksum, in order to take advantage of arithmetic modulo 8-bits (256). Tidy up to 80 columns. When updating the checksum, just recalculate the whole thing. Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by:
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Luben Tuikov authored
No need to account for the 2 bytes of EEPROM address--this is now well abstracted away by the fixes the the lower layers. Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Signed-off-by:
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Luben Tuikov authored
The low level EEPROM write method, doesn't return 1, but the number of bytes written. Thus do not compare to 1, instead, compare to greater than 0 for success. Other cleanup: if the lower layers returned -errno, then return that, as opposed to overwriting the error code with one-fits-all -EINVAL. For instance, some return -EAGAIN. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
The I2C address is kept as a 16-bit quantity in the kernel. The I2C_TAR::I2C_TAR field is 10-bit wide. Fix the width of the I2C address for Vega20 from 8 bits to 16 bits to accommodate the full spectrum of I2C address space. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Now that we have an I2C quirk table for SMU-managed I2C controllers, the I2C core does the checks for us, so we don't need to do them, and so simplify the managed I2C transfer functions. Also, for Arcturus and Navi10, fix setting the command type from "cmd->CmdConfig" to "cmd->Cmd". The latter is what appears to be taking in the enumeration I2C_CMD_... as an integer, not a bit-flag. For Sienna, the "Cmd" field seems to have been eliminated, and command type and flags all live in the "CmdConfig" field--this is left untouched. Fix: Detect and add changing of direction bit-flag, as this is necessary for the SMU to detect the direction change in the 1-d array of data it gets. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Extend the I2C quirk table for SMU access controlled I2C adapters. Let the kernel I2C layer check that the messages all have the same address, and that their combined size doesn't exceed the maximum size of a SMU software I2C request. Suggested-by:
Jean Delvare <jdelvare@suse.de> Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Add explicit amdgpu_eeprom_read() and amdgpu_eeprom_write() for clarity. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Wrap amdgpu_ras_eeprom_xfer(..., bool write), into amdgpu_ras_eeprom_read() and amdgpu_ras_eeprom_write(), as that makes reading and understanding the code clearer. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Instead of fixing the spelling in amdgpu_ras_eeprom_process_recods(), rename it to, amdgpu_ras_eeprom_xfer(), to look similar to other I2C and protocol transfer (read/write) functions. Also to keep the column span to within reason by using a shorter name. Change the "num" function parameter from "int" to "const u32" since it is the number of items (records) to xfer, i.e. their count, which cannot be a negative number. Also swap the order of parameters, keeping the pointer to records and their number next to each other, while the direction now becomes the last parameter. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
In amdgpu_ras_eeprom.c--the interface from RAS to EEPROM, rename macros from EEPROM to RAS, to indicate that the quantities and objects are RAS specific, not EEPROM. We can decrease the RAS table, or put it in different offset of EEPROM as needed in the future. Remove EEPROM_ADDRESS_SIZE macro definition, equal to 2, from the file and calculations, as that quantity is computed and added on the stack, in the lower layer, amdgpu_eeprom_xfer(). Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Set the auto-discoverable class of I2C bus to HWMON. Remove SPD. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Fix the size of the EEPROM from 256000 bytes to 262144 bytes (256 KiB). Fix a couple or wrap around bugs. If a valid value/address is 0 <= addr < size, the inverse of this inequality (barring negative values which make no sense here) is addr >= size. Fix this in the RAS code. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Convert RAS and FRU code to use the 19-bit I2C memory address and remove all "slave_addr", as this is now absolved into the 19-bit address. Cc: Jean Delvare <jdelvare@suse.de> Cc: John Clements <john.clements@amd.com> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
* "eeprom_addr" is now 32-bit wide. * Remove "slave_addr" from the I2C EEPROM driver interface. The I2C EEPROM Device Type Identifier is fixed at 1010b, and the rest of the bits of the Device Address Byte/Device Select Code, are memory address bits, where the first three of those bits are the hardware selection bits. All this is now a 19-bit address and passed as "eeprom_addr". This abstracts the I2C bus for EEPROM devices for this I2C EEPROM driver. Now clients only pass the 19-bit EEPROM memory address, to the I2C EEPROM driver, as the 32-bit "eeprom_addr", from which they want to read from or write to. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
Consult the i2c_adapter.quirks table for the maximum read/write data length per bus transaction. Do not exceed this transaction limit. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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Luben Tuikov authored
* When reading from the EEPROM device, there is no device limitation on the number of bytes read--they're simply sequenced out. Thus, read the whole data requested in one go. * When writing to the EEPROM device, there is a 256-byte page limit to write to before having to generate a STOP on the bus, as well as the address written to mustn't cross over the page boundary (it actually rolls over). Maximize the data written to per bus acquisition. * Return the number of bytes read/written, or -errno. * Add kernel doc. Cc: Jean Delvare <jdelvare@suse.de> Cc: Alexander Deucher <Alexander.Deucher@amd.com> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Lijo Lazar <Lijo.Lazar@amd.com> Cc: Stanley Yang <Stanley.Yang@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
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