On Tue Jun 2 22:01:24 2026 +0100, Bryan O'Donoghue wrote:
> Use div_u64() instead of mult_fract as u64 operator division fails on 32 bit
> systems which don't link against libgcc.
>
> Fixes: 5c66647a5c3e ("media: iris: add FPS calculation and VPP FW overhead in
> frequency formula")
> Reported-by: kernel test robot <[email protected]>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/[email protected]/
> Signed-off-by: Bryan O'Donoghue <[email protected]>
Patch committed.
Thanks,
Bryan O'Donoghue
drivers/media/platform/qcom/iris/iris_vpu_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c
b/drivers/media/platform/qcom/iris/iris_vpu_common.c
index 5a85568c5ee1..37dbfe433a08 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c
@@ -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);
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