On 28/09/2023 16:25, Oded Gabbay wrote:
> event_types_num received from the user can be 0. In that case, the
> event_mask should be 0.
>
> In addition, to create a correct mask we need to match the number
> of event types to the bit location such that bit 0 represents a single
> event type, bit 1 represents 2 types and so on.
>
> Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
> ---
> drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c b/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c
> index 14a855cdc96b..2423620ff358 100644
> --- a/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c
> +++ b/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c
> @@ -2500,7 +2500,8 @@ static int gaudi2_config_spmu(struct hl_device *hdev, struct hl_debug_params *pa
> * set enabled events mask based on input->event_types_num
> */
> event_mask = 0x80000000;
> - event_mask |= GENMASK(input->event_types_num, 0);
> + if (input->event_types_num)
> + event_mask |= GENMASK(input->event_types_num - 1, 0);
>
> WREG32(base_reg + mmSPMU_PMCNTENSET_EL0_OFFSET, event_mask);
> } else {
Reviewed-by: Ofir Bitton <obitton@xxxxxxxxx>
