Quoting Imran Shaik (2024-08-08 00:05:02)
> From: Mike Tipton <quic_mdtipton@xxxxxxxxxxx>
>
> Valid frequencies may result in BCM votes that exceed the max HW value.
> Set vote ceiling to BCM_TCS_CMD_VOTE_MASK to ensure the votes aren't
> truncated, which can result in lower frequencies than desired.
>
> Fixes: 04053f4d23a4 ("clk: qcom: clk-rpmh: Add IPA clock support")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Mike Tipton <quic_mdtipton@xxxxxxxxxxx>
> Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
> ---
> drivers/clk/qcom/clk-rpmh.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
> index bb82abeed88f..233ccd365a37 100644
> --- a/drivers/clk/qcom/clk-rpmh.c
> +++ b/drivers/clk/qcom/clk-rpmh.c
> @@ -263,6 +263,9 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
> cmd_state = 0;
> }
>
> + if (cmd_state > BCM_TCS_CMD_VOTE_MASK)
> + cmd_state = BCM_TCS_CMD_VOTE_MASK;
> +
This is
cmd_state = min(cmd_state, BCM_TCS_CMD_VOTE_MASK);
