diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c index 4d9eb0137f8c..7d2a908438e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c @@ -79,13 +79,15 @@ * That is, for an I2C EEPROM driver everything is controlled by * the "eeprom_addr". * + * See also top of amdgpu_ras_eeprom.c. + * * P.S. If you need to write, lock and read the Identification Page, * (M24M02-DR device only, which we do not use), change the "7" to * "0xF" in the macro below, and let the client set bit 20 to 1 in * "eeprom_addr", and set A10 to 0 to write into it, and A10 and A1 to * 1 to lock it permanently. */ -#define MAKE_I2C_ADDR(_aa) ((0xA << 3) | (((_aa) >> 16) & 7)) +#define MAKE_I2C_ADDR(_aa) ((0xA << 3) | (((_aa) >> 16) & 0xF)) static int __amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr, u8 *eeprom_buf, u16 buf_size, bool read) |