diff options
| author | Luben Tuikov <luben.tuikov@amd.com> | 2022-11-15 04:48:40 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-18 02:06:58 +0300 |
| commit | 6a4a745c42a23c5ffca0f0c76ca2ed2593b9389b (patch) | |
| tree | 653372319973fc36f5bad852bf7da64039294c4d | |
| parent | d4cbff464d2932a71d7d3b7d17ffef7700b58edd (diff) | |
| download | linux-6a4a745c42a23c5ffca0f0c76ca2ed2593b9389b.tar.xz | |
drm/amdgpu: Allow non-standard EEPROM I2C address
Allow non-standard EEPROM I2C address of 0x58, where the Device Type
Identifier is 1011b, where we form 1011000b = 0x58 I2C address, as on some
ASICs the FRU data lives there.
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Kent Russell <kent.russell@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Tested-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c index d6c4293829aa..7d2a908438e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c @@ -87,7 +87,7 @@ * "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) |