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drm/amdgpu: only set restart on first cmd of the smu i2c transaction

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Not sure how the firmware interprets these.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
This commit is contained in:
Alex Deucher 2021-01-21 23:56:32 -05:00
parent 73a5784a5b
commit b36d8d6b77
3 changed files with 3 additions and 3 deletions
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2
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
View File

@ -1984,7 +1984,7 @@ static int arcturus_i2c_xfer(struct i2c_adapter *i2c_adap,
if ((msg[i].flags & I2C_M_STOP) ||
(!remaining_bytes))
cmd->CmdConfig |= CMDCONFIG_STOP_MASK;
if ((i > 0) && !(msg[i].flags & I2C_M_NOSTART))
if ((i > 0) && (j == 0) && !(msg[i].flags & I2C_M_NOSTART))
cmd->CmdConfig |= CMDCONFIG_RESTART_BIT;
}
}

2
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View File

@ -2783,7 +2783,7 @@ static int navi10_i2c_xfer(struct i2c_adapter *i2c_adap,
if ((msg[i].flags & I2C_M_STOP) ||
(!remaining_bytes))
cmd->CmdConfig |= CMDCONFIG_STOP_MASK;
if ((i > 0) && !(msg[i].flags & I2C_M_NOSTART))
if ((i > 0) && (j == 0) && !(msg[i].flags & I2C_M_NOSTART))
cmd->CmdConfig |= CMDCONFIG_RESTART_BIT;
}
}

2
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View File

@ -3490,7 +3490,7 @@ static int sienna_cichlid_i2c_xfer(struct i2c_adapter *i2c_adap,
if ((msg[i].flags & I2C_M_STOP) ||
(!remaining_bytes))
cmd->CmdConfig |= CMDCONFIG_STOP_MASK;
if ((i > 0) && !(msg[i].flags & I2C_M_NOSTART))
if ((i > 0) && (j == 0) && !(msg[i].flags & I2C_M_NOSTART))
cmd->CmdConfig |= CMDCONFIG_RESTART_BIT;
}
}