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media: qcom: iris: Fix FPS calculation and VPP FW overhead

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Use div_u64() instead of mult_fract as u64 operator division fails on 32 bit
systems which don't link against libgcc.

Fixes: 5c66647a5c ("media: iris: add FPS calculation and VPP FW overhead in frequency formula")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202606030132.qnBXVDkM-lkp@intel.com/
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
This commit is contained in:
Bryan O'Donoghue 2026-06-02 22:01:24 +01:00
parent 6a75e3d4f6
commit 10400b9455
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/qcom/iris/iris_vpu_common.c
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@ -444,7 +444,7 @@ u64 iris_vpu3x_vpu4x_calculate_frequency(struct iris_inst *inst, size_t data_siz
/* 1.05 is VPP FW overhead */
if (inst->fw_caps[STAGE].value == STAGE_2)
vpp_cycles += mult_frac(vpp_cycles, 5, 100);
vpp_cycles += div_u64(vpp_cycles * 5, 100);
vsp_cycles = fps * data_size * 8;
vsp_cycles = div_u64(vsp_cycles, 2);