Re: [PATCH v2] media: venus: fix build on 32bit environments

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Mauro, thanks for the fix!

On 10/8/19 1:47 PM, Mauro Carvalho Chehab wrote:
> As reported by jenkins@xxxxxxxxxxx, the build with i386 fails
> with:
> 
> 	ld: drivers/media/platform/qcom/venus/helpers.o: in function `venus_helper_load_scale_clocks':
> 	(.text+0x1d77): undefined reference to `__udivdi3'
> 	ld: (.text+0x1dce): undefined reference to `__udivdi3'
> 	make: *** [Makefile:1094: vmlinux] Error 1
> 
> That's because it divides an u32 bit integer by a u64 one.
> 
> Fix it by explicitly callind do_div.

Please drop this line, it is not valid for v2.

> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/venus/helpers.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>

> 
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 5ea5d90f8e5f..a172f1ac0b35 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -520,10 +520,11 @@ static unsigned long calculate_inst_freq(struct venus_inst *inst,
>  					 unsigned long filled_len)
>  {
>  	unsigned long vpp_freq = 0, vsp_freq = 0;
> -	u64 fps = inst->fps;
> +	u32 fps = (u32)inst->fps;
>  	u32 mbs_per_sec;
>  
> -	mbs_per_sec = load_per_instance(inst) / inst->fps;
> +	mbs_per_sec = load_per_instance(inst) / fps;
> +
>  	vpp_freq = mbs_per_sec * inst->clk_data.codec_freq_data->vpp_freq;
>  	/* 21 / 20 is overhead factor */
>  	vpp_freq += vpp_freq / 20;
> 

-- 
regards,
Stan



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