| Message ID | 20201124193824.1118741-39-lee.jones@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Rid W=1 warnings from GPU | expand |
On Tue, Nov 24, 2020 at 2:45 PM Lee Jones <lee.jones@linaro.org> wrote: > > Fixes the following W=1 kernel build warning(s): > > Cc: Alex Deucher <alexander.deucher@amd.com> > Cc: "Christian König" <christian.koenig@amd.com> > Cc: David Airlie <airlied@linux.ie> > Cc: Daniel Vetter <daniel@ffwll.ch> > Cc: Evan Quan <evan.quan@amd.com> > Cc: amd-gfx@lists.freedesktop.org > Cc: dri-devel@lists.freedesktop.org > Signed-off-by: Lee Jones <lee.jones@linaro.org> Applied. Thanks! Alex > --- > .../gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 204 ------------------ > 1 file changed, 204 deletions(-) > > diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c > index ef1a62e86a0ee..59bd7cd3ca8df 100644 > --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c > +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c > @@ -2325,210 +2325,6 @@ static int navi10_run_umc_cdr_workaround(struct smu_context *smu) > return 0; > } > > -static void navi10_fill_i2c_req(SwI2cRequest_t *req, bool write, > - uint8_t address, uint32_t numbytes, > - uint8_t *data) > -{ > - int i; > - > - req->I2CcontrollerPort = 0; > - req->I2CSpeed = 2; > - req->SlaveAddress = address; > - req->NumCmds = numbytes; > - > - for (i = 0; i < numbytes; i++) { > - SwI2cCmd_t *cmd = &req->SwI2cCmds[i]; > - > - /* First 2 bytes are always write for lower 2b EEPROM address */ > - if (i < 2) > - cmd->Cmd = 1; > - else > - cmd->Cmd = write; > - > - > - /* Add RESTART for read after address filled */ > - cmd->CmdConfig |= (i == 2 && !write) ? CMDCONFIG_RESTART_MASK : 0; > - > - /* Add STOP in the end */ > - cmd->CmdConfig |= (i == (numbytes - 1)) ? CMDCONFIG_STOP_MASK : 0; > - > - /* Fill with data regardless if read or write to simplify code */ > - cmd->RegisterAddr = data[i]; > - } > -} > - > -static int navi10_i2c_read_data(struct i2c_adapter *control, > - uint8_t address, > - uint8_t *data, > - uint32_t numbytes) > -{ > - uint32_t i, ret = 0; > - SwI2cRequest_t req; > - struct amdgpu_device *adev = to_amdgpu_device(control); > - struct smu_table_context *smu_table = &adev->smu.smu_table; > - struct smu_table *table = &smu_table->driver_table; > - > - if (numbytes > MAX_SW_I2C_COMMANDS) { > - dev_err(adev->dev, "numbytes requested %d is over max allowed %d\n", > - numbytes, MAX_SW_I2C_COMMANDS); > - return -EINVAL; > - } > - > - memset(&req, 0, sizeof(req)); > - navi10_fill_i2c_req(&req, false, address, numbytes, data); > - > - mutex_lock(&adev->smu.mutex); > - /* Now read data starting with that address */ > - ret = smu_cmn_update_table(&adev->smu, SMU_TABLE_I2C_COMMANDS, 0, &req, > - true); > - mutex_unlock(&adev->smu.mutex); > - > - if (!ret) { > - SwI2cRequest_t *res = (SwI2cRequest_t *)table->cpu_addr; > - > - /* Assume SMU fills res.SwI2cCmds[i].Data with read bytes */ > - for (i = 0; i < numbytes; i++) > - data[i] = res->SwI2cCmds[i].Data; > - > - dev_dbg(adev->dev, "navi10_i2c_read_data, address = %x, bytes = %d, data :", > - (uint16_t)address, numbytes); > - > - print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_NONE, > - 8, 1, data, numbytes, false); > - } else > - dev_err(adev->dev, "navi10_i2c_read_data - error occurred :%x", ret); > - > - return ret; > -} > - > -static int navi10_i2c_write_data(struct i2c_adapter *control, > - uint8_t address, > - uint8_t *data, > - uint32_t numbytes) > -{ > - uint32_t ret; > - SwI2cRequest_t req; > - struct amdgpu_device *adev = to_amdgpu_device(control); > - > - if (numbytes > MAX_SW_I2C_COMMANDS) { > - dev_err(adev->dev, "numbytes requested %d is over max allowed %d\n", > - numbytes, MAX_SW_I2C_COMMANDS); > - return -EINVAL; > - } > - > - memset(&req, 0, sizeof(req)); > - navi10_fill_i2c_req(&req, true, address, numbytes, data); > - > - mutex_lock(&adev->smu.mutex); > - ret = smu_cmn_update_table(&adev->smu, SMU_TABLE_I2C_COMMANDS, 0, &req, true); > - mutex_unlock(&adev->smu.mutex); > - > - if (!ret) { > - dev_dbg(adev->dev, "navi10_i2c_write(), address = %x, bytes = %d , data: ", > - (uint16_t)address, numbytes); > - > - print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_NONE, > - 8, 1, data, numbytes, false); > - /* > - * According to EEPROM spec there is a MAX of 10 ms required for > - * EEPROM to flush internal RX buffer after STOP was issued at the > - * end of write transaction. During this time the EEPROM will not be > - * responsive to any more commands - so wait a bit more. > - */ > - msleep(10); > - > - } else > - dev_err(adev->dev, "navi10_i2c_write- error occurred :%x", ret); > - > - return ret; > -} > - > -static int navi10_i2c_xfer(struct i2c_adapter *i2c_adap, > - struct i2c_msg *msgs, int num) > -{ > - uint32_t i, j, ret, data_size, data_chunk_size, next_eeprom_addr = 0; > - uint8_t *data_ptr, data_chunk[MAX_SW_I2C_COMMANDS] = { 0 }; > - > - for (i = 0; i < num; i++) { > - /* > - * SMU interface allows at most MAX_SW_I2C_COMMANDS bytes of data at > - * once and hence the data needs to be spliced into chunks and sent each > - * chunk separately > - */ > - data_size = msgs[i].len - 2; > - data_chunk_size = MAX_SW_I2C_COMMANDS - 2; > - next_eeprom_addr = (msgs[i].buf[0] << 8 & 0xff00) | (msgs[i].buf[1] & 0xff); > - data_ptr = msgs[i].buf + 2; > - > - for (j = 0; j < data_size / data_chunk_size; j++) { > - /* Insert the EEPROM dest addess, bits 0-15 */ > - data_chunk[0] = ((next_eeprom_addr >> 8) & 0xff); > - data_chunk[1] = (next_eeprom_addr & 0xff); > - > - if (msgs[i].flags & I2C_M_RD) { > - ret = navi10_i2c_read_data(i2c_adap, > - (uint8_t)msgs[i].addr, > - data_chunk, MAX_SW_I2C_COMMANDS); > - > - memcpy(data_ptr, data_chunk + 2, data_chunk_size); > - } else { > - > - memcpy(data_chunk + 2, data_ptr, data_chunk_size); > - > - ret = navi10_i2c_write_data(i2c_adap, > - (uint8_t)msgs[i].addr, > - data_chunk, MAX_SW_I2C_COMMANDS); > - } > - > - if (ret) { > - num = -EIO; > - goto fail; > - } > - > - next_eeprom_addr += data_chunk_size; > - data_ptr += data_chunk_size; > - } > - > - if (data_size % data_chunk_size) { > - data_chunk[0] = ((next_eeprom_addr >> 8) & 0xff); > - data_chunk[1] = (next_eeprom_addr & 0xff); > - > - if (msgs[i].flags & I2C_M_RD) { > - ret = navi10_i2c_read_data(i2c_adap, > - (uint8_t)msgs[i].addr, > - data_chunk, (data_size % data_chunk_size) + 2); > - > - memcpy(data_ptr, data_chunk + 2, data_size % data_chunk_size); > - } else { > - memcpy(data_chunk + 2, data_ptr, data_size % data_chunk_size); > - > - ret = navi10_i2c_write_data(i2c_adap, > - (uint8_t)msgs[i].addr, > - data_chunk, (data_size % data_chunk_size) + 2); > - } > - > - if (ret) { > - num = -EIO; > - goto fail; > - } > - } > - } > - > -fail: > - return num; > -} > - > -static u32 navi10_i2c_func(struct i2c_adapter *adap) > -{ > - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; > -} > - > - > -static const struct i2c_algorithm navi10_i2c_algo = { > - .master_xfer = navi10_i2c_xfer, > - .functionality = navi10_i2c_func, > -}; > - > static ssize_t navi10_get_gpu_metrics(struct smu_context *smu, > void **table) > { > -- > 2.25.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index ef1a62e86a0ee..59bd7cd3ca8df 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -2325,210 +2325,6 @@ static int navi10_run_umc_cdr_workaround(struct smu_context *smu) return 0; } -static void navi10_fill_i2c_req(SwI2cRequest_t *req, bool write, - uint8_t address, uint32_t numbytes, - uint8_t *data) -{ - int i; - - req->I2CcontrollerPort = 0; - req->I2CSpeed = 2; - req->SlaveAddress = address; - req->NumCmds = numbytes; - - for (i = 0; i < numbytes; i++) { - SwI2cCmd_t *cmd = &req->SwI2cCmds[i]; - - /* First 2 bytes are always write for lower 2b EEPROM address */ - if (i < 2) - cmd->Cmd = 1; - else - cmd->Cmd = write; - - - /* Add RESTART for read after address filled */ - cmd->CmdConfig |= (i == 2 && !write) ? CMDCONFIG_RESTART_MASK : 0; - - /* Add STOP in the end */ - cmd->CmdConfig |= (i == (numbytes - 1)) ? CMDCONFIG_STOP_MASK : 0; - - /* Fill with data regardless if read or write to simplify code */ - cmd->RegisterAddr = data[i]; - } -} - -static int navi10_i2c_read_data(struct i2c_adapter *control, - uint8_t address, - uint8_t *data, - uint32_t numbytes) -{ - uint32_t i, ret = 0; - SwI2cRequest_t req; - struct amdgpu_device *adev = to_amdgpu_device(control); - struct smu_table_context *smu_table = &adev->smu.smu_table; - struct smu_table *table = &smu_table->driver_table; - - if (numbytes > MAX_SW_I2C_COMMANDS) { - dev_err(adev->dev, "numbytes requested %d is over max allowed %d\n", - numbytes, MAX_SW_I2C_COMMANDS); - return -EINVAL; - } - - memset(&req, 0, sizeof(req)); - navi10_fill_i2c_req(&req, false, address, numbytes, data); - - mutex_lock(&adev->smu.mutex); - /* Now read data starting with that address */ - ret = smu_cmn_update_table(&adev->smu, SMU_TABLE_I2C_COMMANDS, 0, &req, - true); - mutex_unlock(&adev->smu.mutex); - - if (!ret) { - SwI2cRequest_t *res = (SwI2cRequest_t *)table->cpu_addr; - - /* Assume SMU fills res.SwI2cCmds[i].Data with read bytes */ - for (i = 0; i < numbytes; i++) - data[i] = res->SwI2cCmds[i].Data; - - dev_dbg(adev->dev, "navi10_i2c_read_data, address = %x, bytes = %d, data :", - (uint16_t)address, numbytes); - - print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_NONE, - 8, 1, data, numbytes, false); - } else - dev_err(adev->dev, "navi10_i2c_read_data - error occurred :%x", ret); - - return ret; -} - -static int navi10_i2c_write_data(struct i2c_adapter *control, - uint8_t address, - uint8_t *data, - uint32_t numbytes) -{ - uint32_t ret; - SwI2cRequest_t req; - struct amdgpu_device *adev = to_amdgpu_device(control); - - if (numbytes > MAX_SW_I2C_COMMANDS) { - dev_err(adev->dev, "numbytes requested %d is over max allowed %d\n", - numbytes, MAX_SW_I2C_COMMANDS); - return -EINVAL; - } - - memset(&req, 0, sizeof(req)); - navi10_fill_i2c_req(&req, true, address, numbytes, data); - - mutex_lock(&adev->smu.mutex); - ret = smu_cmn_update_table(&adev->smu, SMU_TABLE_I2C_COMMANDS, 0, &req, true); - mutex_unlock(&adev->smu.mutex); - - if (!ret) { - dev_dbg(adev->dev, "navi10_i2c_write(), address = %x, bytes = %d , data: ", - (uint16_t)address, numbytes); - - print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_NONE, - 8, 1, data, numbytes, false); - /* - * According to EEPROM spec there is a MAX of 10 ms required for - * EEPROM to flush internal RX buffer after STOP was issued at the - * end of write transaction. During this time the EEPROM will not be - * responsive to any more commands - so wait a bit more. - */ - msleep(10); - - } else - dev_err(adev->dev, "navi10_i2c_write- error occurred :%x", ret); - - return ret; -} - -static int navi10_i2c_xfer(struct i2c_adapter *i2c_adap, - struct i2c_msg *msgs, int num) -{ - uint32_t i, j, ret, data_size, data_chunk_size, next_eeprom_addr = 0; - uint8_t *data_ptr, data_chunk[MAX_SW_I2C_COMMANDS] = { 0 }; - - for (i = 0; i < num; i++) { - /* - * SMU interface allows at most MAX_SW_I2C_COMMANDS bytes of data at - * once and hence the data needs to be spliced into chunks and sent each - * chunk separately - */ - data_size = msgs[i].len - 2; - data_chunk_size = MAX_SW_I2C_COMMANDS - 2; - next_eeprom_addr = (msgs[i].buf[0] << 8 & 0xff00) | (msgs[i].buf[1] & 0xff); - data_ptr = msgs[i].buf + 2; - - for (j = 0; j < data_size / data_chunk_size; j++) { - /* Insert the EEPROM dest addess, bits 0-15 */ - data_chunk[0] = ((next_eeprom_addr >> 8) & 0xff); - data_chunk[1] = (next_eeprom_addr & 0xff); - - if (msgs[i].flags & I2C_M_RD) { - ret = navi10_i2c_read_data(i2c_adap, - (uint8_t)msgs[i].addr, - data_chunk, MAX_SW_I2C_COMMANDS); - - memcpy(data_ptr, data_chunk + 2, data_chunk_size); - } else { - - memcpy(data_chunk + 2, data_ptr, data_chunk_size); - - ret = navi10_i2c_write_data(i2c_adap, - (uint8_t)msgs[i].addr, - data_chunk, MAX_SW_I2C_COMMANDS); - } - - if (ret) { - num = -EIO; - goto fail; - } - - next_eeprom_addr += data_chunk_size; - data_ptr += data_chunk_size; - } - - if (data_size % data_chunk_size) { - data_chunk[0] = ((next_eeprom_addr >> 8) & 0xff); - data_chunk[1] = (next_eeprom_addr & 0xff); - - if (msgs[i].flags & I2C_M_RD) { - ret = navi10_i2c_read_data(i2c_adap, - (uint8_t)msgs[i].addr, - data_chunk, (data_size % data_chunk_size) + 2); - - memcpy(data_ptr, data_chunk + 2, data_size % data_chunk_size); - } else { - memcpy(data_chunk + 2, data_ptr, data_size % data_chunk_size); - - ret = navi10_i2c_write_data(i2c_adap, - (uint8_t)msgs[i].addr, - data_chunk, (data_size % data_chunk_size) + 2); - } - - if (ret) { - num = -EIO; - goto fail; - } - } - } - -fail: - return num; -} - -static u32 navi10_i2c_func(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -} - - -static const struct i2c_algorithm navi10_i2c_algo = { - .master_xfer = navi10_i2c_xfer, - .functionality = navi10_i2c_func, -}; - static ssize_t navi10_get_gpu_metrics(struct smu_context *smu, void **table) {
Fixes the following W=1 kernel build warning(s): Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Evan Quan <evan.quan@amd.com> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones <lee.jones@linaro.org> --- .../gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 204 ------------------ 1 file changed, 204 deletions(-)