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accel/habanalabs/gaudi2: fix spmu mask creation
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@kernel.org> Reviewed-by: Ofir Bitton <obitton@habana.ai>
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1 changed files with 2 additions and 1 deletions
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@ -2500,7 +2500,8 @@ static int gaudi2_config_spmu(struct hl_device *hdev, struct hl_debug_params *pa
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* set enabled events mask based on input->event_types_num
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* set enabled events mask based on input->event_types_num
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*/
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*/
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event_mask = 0x80000000;
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event_mask = 0x80000000;
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event_mask |= GENMASK(input->event_types_num, 0);
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if (input->event_types_num)
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event_mask |= GENMASK(input->event_types_num - 1, 0);
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WREG32(base_reg + mmSPMU_PMCNTENSET_EL0_OFFSET, event_mask);
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WREG32(base_reg + mmSPMU_PMCNTENSET_EL0_OFFSET, event_mask);
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} else {
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} else {
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